NewPhysician (MD/DO) for In-home Visits Signify HealthPhysician (MD/DO) for In-home VisitsJones, OKRemote$3,000–$5,000The primary care physician gets a snapshot of a person in an office setting, but with Signify Health, we see things like the number of steps to enter their home, the state of disrepair those steps may be in, and the person’s ability to function comfortably and with ease in their own home. You will be provided a pre-populated, patient-specific form for each evaluation and do not prescribe medicine, order lab tests, or alter people’s current treatment regimen.
NewPhysician Assistant for In-home Visits Signify HealthPhysician Assistant for In-home VisitsOklahoma City, OKRemote$1,800–$3,000We’re hiring board-certified physician assistant/physician associate (PA) contractors to conduct In-home Health Evaluations for Medicare Advantage, Medicaid, and certain commercial plan members. You will be provided a pre-populated, patient-specific form for each evaluation and do not prescribe medicine, order lab tests, or alter people’s current treatment regimen.
Anesthesiology Physician VISTA Staffing SolutionsAnesthesiology PhysicianOklahoma City, OKA leading provider of short‐term US locum tenens and permanent physician search services, VISTA partners healthcare providers with facilities who need them most, providing an effective strategy for lessening the impact of the global provider shortage. A ClearlyRated Best of Staffing Client and Talent 10‐Year Diamond Award winner, VISTA has 30 years of experience optimizing continuity of care for hospitals, medical practices and government agencies across the US.
Perm - Physician - Neonatology Oklahoma City, OK VieMed Healthcare StaffingPerm - Physician - Neonatology Oklahoma City, OKOklahoma City, OKThe practice offers a supportive environment with advanced facilities, a balanced work schedule, and community amenities including vibrant outdoor activities and top-rated schools. Provide neonatology care at two Level III NICUs: Mercy Hospital (43 beds, ADC 29) and Norman Regional Hospital (26 beds, ADC 14).
NewRadiology in OKC: #1 in U.S. Physician Compensation Growth The Medicus FirmRadiology in OKC: #1 in U.S. Physician Compensation GrowthOklahoma City, OKAccess Cutting-Edge Technology: State-of-the-art imaging facilities with ongoing multi-year capital upgrades. Seeking radiologists with expertise in Neuroradiology, Nuclear Radiology, Chest Imaging, and Pediatric Radiology.
NewOrthopedic Surgery Physician Assistant (Spine) - SSM Health SSM HealthOrthopedic Surgery Physician Assistant (Spine) - SSM HealthOklahoma City, OKRecognized as one of the top orthopedic hospitals in the United States, we offer a wide range of services including hip and knee replacement, spine surgery, pain management, sports medicine, worker‘s compensation, arthroscopic procedures, foot and ankle surgery, hand surgery, robotic surgery, and more. In addition to general orthopedic surgery, our group provides care in hip and knee replacement, spine surgery, hand surgery, sports medicine, workers‘ compensation, arthroscopic procedures, foot and ankle surgery, robotic surgery, and more.
NewAn OK Facility Is Searching for a Locum Tenens Family Practice Physician CHG HealthcareAn OK Facility Is Searching for a Locum Tenens Family Practice PhysicianOklahoma City, OKThough your CompHealth recruiter will be your single point of contact, they are backed by dozens of specialized teams, giving them the ability to focus on the details that matter to you. That means we have specialized teams that do nothing but housing, travel arrangements, credentialing, licensing, and so much more.
NewPrimary Care Physician Oak Street HealthPrimary Care PhysicianMidwest City, OK$174,070–$374,920 / yearAs the nation’s leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues – caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. The purpose of a Primary Care Physician at Oak Street Health is to provide equitable and effective value-based healthcare to local Medicare patient populations at our innovative network of neighborhood primary care centers.
NewA Locum Tenens Family Practice Physician Is Needed in CA Weatherby HealthcareA Locum Tenens Family Practice Physician Is Needed in CAEdmond, OKThe company employs nearly 600 employees committed to filling locum tenens assignments in large-scale healthcare networks, hospitals, and clinics nationwide. Since 1995, Weatherby Healthcare has established itself as an expert in locum tenens staffing for physicians, physician assistants, and nurse practitioners.
NewPhysician Assistant - Interventional Radiology - Oklahoma City, OK MercyPhysician Assistant - Interventional Radiology - Oklahoma City, OKOklahoma City, OKWhat sets us apart is our unwavering commitment to physician leadership—from the highest levels of our organization to the front lines of care—where physicians and caregivers collaborate, embrace fresh thinking, and drive clinical and operational excellence. As part of an organization rooted in nearly 200 years of compassionate service, you’ll help deliver transformative health care experiences while exploring new technologies and shaping the future of medicine.
NewPhysician - MD/DO - Neurologist SSM HealthPhysician - MD/DO - NeurologistOklahoma City, OKToday, our healing ministry includes over 15,000 providers and approximately 40,000 team members, all working together with a shared Mission to deliver exceptional healthcare services that reveal the healing presence of God across Missouri, Oklahoma, Illinois, and Wisconsin. With 23 hospitals, 9 post-acute care centers, and over 490 physician offices and specialty care clinics spread across four states, SSM Health offers a world of opportunities where clinicians can do a world of good.
NewPhysician - MD/DO - Primary Care SSM HealthPhysician - MD/DO - Primary CareOklahoma City, OKToday, our healing ministry includes over 15,000 providers and approximately 40,000 team members, all working together with a shared Mission to deliver exceptional healthcare services that reveal the healing presence of God across Missouri, Oklahoma, Illinois, and Wisconsin. With 23 hospitals, 9 post-acute care centers, and over 490 physician offices and specialty care clinics spread across four states, SSM Health offers a world of opportunities where clinicians can do a world of good.
NewPhysician - Neurotologist - SSM Health - Oklahoma City, OK SSM HealthPhysician - Neurotologist - SSM Health - Oklahoma City, OKOklahoma City, OKWe have an excellent fellowship-trained Neurosurgeon at SSM Health St. Anthony Hospital who recently joined our team and has enhanced our ability to care for patients with complex skull base pathology. Located in midtown, SSM Health St. Anthony Hospital - Oklahoma City serves the health care needs of central Oklahoma and its surrounding counties.
NewHometown Family Medicine Physician for local Healthplex - Moore, OK SSM HealthHometown Family Medicine Physician for local Healthplex - Moore, OKOklahoma City, OKToday, our healing ministry includes over 15,000 providers and approximately 40,000 team members, all working together with a shared Mission to deliver exceptional healthcare services that reveal the healing presence of God across Missouri, Oklahoma, Illinois, and Wisconsin. With 23 hospitals, 9 post-acute care centers, and over 490 physician offices and specialty care clinics spread across four states, SSM Health offers a world of opportunities where clinicians can do a world of good.
NewPhysician - MD/DO - Critical Care Intensivist SSM HealthPhysician - MD/DO - Critical Care IntensivistOklahoma City, OKWe are a Forbes Top Hospital, a certified DNV Comprehensive Stroke Center (CSC), a Joint Commission certified Primary Stroke Center, and have a Level II Neonatal Intensive Care Unit (NICU). Located in Midtown, SSM Health St. Anthony Hospital - Oklahoma City has been serving the health care needs of central Oklahoma and surrounding counties for 125 years.
NewPhysician - Neurology - Skull Based, OKC SSM HealthPhysician - Neurology - Skull Based, OKCOklahoma City, OKToday, our healing ministry includes over 15,000 providers and approximately 40,000 team members, all working together with a shared Mission to deliver exceptional healthcare services that reveal the healing presence of God across Missouri, Oklahoma, Illinois, and Wisconsin. With 23 hospitals, 9 post-acute care centers, and over 490 physician offices and specialty care clinics spread across four states, SSM Health offers a world of opportunities where clinicians can do a world of good.
NewSeeking Primary Care Physician - Outpatient Practice in OKC Metro SSM HealthSeeking Primary Care Physician - Outpatient Practice in OKC MetroOklahoma City, OKToday, our healing ministry includes over 15,000 providers and approximately 40,000 team members, all working together with a shared Mission to deliver exceptional healthcare services that reveal the healing presence of God across Missouri, Oklahoma, Illinois, and Wisconsin. With 23 hospitals, 9 post-acute care centers, and over 490 physician offices and specialty care clinics spread across four states, SSM Health offers a world of opportunities where clinicians can do a world of good.
NewPhysician - MD/DO - Urologist SSM HealthPhysician - MD/DO - UrologistOklahoma City, OKWith its small-town hospitality, strong neighborhood feel, and connection to the broader OKC metro, Midwest City gives residents a comfortable place to call home while staying close to big-city amenities. SSM Health St. Anthony Hospital – Midwest, located in Midwest City, is a Forbes 2026 Top Hospital providing high-quality, patient-centered care to eastern Oklahoma County and surrounding communities.
NewVascular Surgery Physician Associate Needed for Locum Tenens Coverage in Oklahoma LocumTenens.comVascular Surgery Physician Associate Needed for Locum Tenens Coverage in OklahomaCoyle, OKAbout the Clinician‘s Workday The physician associate will provide locum tenens coverage for cardiovascular and vascular surgical cases, with a primary focus on endoscopic vein harvesting (EVH) for coronary artery bypass procedures. Responsibilities include first assisting in cardiovascular and vascular surgical cases, delivering intraoperative support to surgeons, and collaborating with multidisciplinary OR and cardiovascular teams.
NewPhysician Coding Auditor Ensemble Health PartnersPhysician Coding AuditorMidwest City, OKRemote$57,400–$99,000The Physician Coding Auditor develops and implements strategic needs analyses and training plans for coding leadership; coordinates and evaluates curriculum development and conducts the preparation and delivery of training for Medical Coders employed by Ensemble and providers that are contracted/employed and outlined in the client SOW. Educating - Assesses the educational needs of coding staff and providers that are contracted/employed and outlined in the client SOW (included Provider Education verbiage) and develops programs or researches educational resources to meet those needs.
Physician Assistant, General Surgery Stillwater Medical CenterPhysician Assistant, General SurgeryStillwater, OKManages selected cases according to established protocols; maintains case histories, medical reports, and other records; prepares treatment plans; orders x-rays and other diagnostic procedures; writes prescriptions according to protocols; refers acute and chronic care patients; patient education counseling; conducts health assessments utilizing diagnostic tools and laboratory tests. Please contact: Joe A. Ogle, PT/ATC Director, Physician Recruitment Stillwater Medical Office: 405.707.3307 jogle@stillwater-medical.org
Physician Assistant or Nurse Practitioner APRN, Urgent Care Stillwater Medical CenterPhysician Assistant or Nurse Practitioner APRN, Urgent CareStillwater, OKManages selected cases according to established protocols; maintains case histories, medical reports, and other records; prepares treatment plans; orders x-rays and other diagnostic procedures; writes prescriptions according to protocols; refers acute and chronic care patients; patient education counseling; conducts health assessments utilizing diagnostic tools and laboratory tests. Able to frequently lift at least 60 lbs., reach, pull, push, bend, stoop, and kneel Able to hear, see, and feel to accurately assess, monitor, and administer care Possesses fine motor skills and hand/eye coordination to give care (i.e. administer medications, and handle instruments) Able to work in a latex burdened environment.
Physician Assistant or Nurse Practitioner APRN Stillwater Medical CenterPhysician Assistant or Nurse Practitioner APRNStillwater, OKManages selected cases according to established protocols; maintains case histories, medical reports, and other records; prepares treatment plans; orders x-rays and other diagnostic procedures; writes prescriptions according to protocols; refers acute and chronic care patients; patient education counseling; conducts health assessments utilizing diagnostic tools and laboratory tests. Able to frequently lift at least 60 lbs., reach, pull, push, bend, stoop, and kneel Able to hear, see, and feel to accurately assess, monitor, and administer care Possesses fine motor skills and hand/eye coordination to give care (i.e. administer medications, and handle instruments) Able to work in a latex burdened environment.
PRN Nurse Practitioner/Physician Assistant - Oklahoma City MH Health Care Services PCPRN Nurse Practitioner/Physician Assistant - Oklahoma CityOklahoma City, OklahomaWith nationwide onsite, nearsite, and network health centers, and virtual primary care, Marathon delivers a value-based model that enhances the healthcare experience for members and providers, while driving meaningful cost savings for plan sponsors. With 20+ years’ experience from our shared organizations, we hold a unified goal of building deep, trusted and lasting relationships with our patients and clients.
Nurse Practitioner / Physician Assistant West Coast WoundNurse Practitioner / Physician AssistantOklahoma City, OklahomaWest Coast Wound & Skin Care is a full-service mobile wound care company that delivers quality services/treatments to patients in the comfort of their own home. Job description: Are you a Nurse Practitioner or PA looking to join a fast-growing team making a difference in the way patients' wounds are being healed?
Physician, Emergency Medicine – Telemedicine Opportunity – DrHouse DrHouse, Inc.Physician, Emergency Medicine – Telemedicine Opportunity – DrHouseOklahoma City, OKRemote$100–$200In this role, you will manage a broad spectrum of clinical cases, including primary care, urgent care, men's and women's health, and chronic conditions , all delivered through secure virtual consultations. This role offers the flexibility to design a schedule that supports work-life balance while delivering high-quality, patient-centered virtual care statewide.
NewNurse Practitioner or Physician Assistant – Urgent Care Xpress Wellness Urgent CareNurse Practitioner or Physician Assistant – Urgent CareOklahoma City, OKFull timeOur robust new-provider training program helps recent graduates transition from the classroom into practice while developing the judgment, efficiency, and procedural skills needed to succeed in urgent care. Xpress Wellness and Integrity Urgent Care collect your mobile number and related opt-in data for the purpose of delivering SMS messages related to your application, interview scheduling, candidate follow-up, and hiring process communication.
Geriatric Primary Care Physician - Value Based Care in Oklahoma Archwell HealthGeriatric Primary Care Physician - Value Based Care in OklahomaOklahoma City, OKThis is a true outpatient role focused on an adult/Medicare population 60+ designed for physicians who want to practice high-quality medicine with strong support and a predictable schedule. A supportive, team-based environment providing wrap around services to evenly distribute complexities of care such as RN support, Care Management, Disease Management and Social Work.
Physician, Hospitalist Stillwater Medical CenterPhysician, HospitalistStillwater, OKStillwater Medical Center, Hospitalist Please contact: Joe A. Ogle, PT/ATC Director, Physician Recruitment Stillwater Medical Office: 405.707.4307 jogle@stillwater-medical.org.
Physician Assistant or Nurse Practitioner -OKC Region: Up To $10K Sign-On Bonus GoHealth Urgent Care - UCSF HealthPhysician Assistant or Nurse Practitioner -OKC Region: Up To $10K Sign-On BonusEdmond, OklahomaCompetitive Salary & hourly rates plus: Daily Volume Bonus: This bonus is paid monthly and based on patient visit metrics met per shift – to reward you on those busier days! Collaborative, supportive staffing including Rad Techs, highly trained Medical Assistants, Part of one of the nation’s fastest-growing urgent care networks.
Physician Assistant Team Health Holdings IncPhysician AssistantMidwest City, OKTeamHealth has an excellent full-time opportunity for a physician assistant (PA) or nurse practitioner (NP) who must be family and acute care or emergency medicine (EM) experience to join our emergency department team at Midwest Regional Medical Center in Midwest City, Oklahoma. You will work with an outstanding and stable team of physicians and advanced practice clinicians seeing all acuity levels of patients in a fast-paced environment.
Nurse Practitioner or Physician Assistant (Advanced Practice Provider) CORE LLCNurse Practitioner or Physician Assistant (Advanced Practice Provider)Stillwater, OKOur nationwide occupational medicine platform provides the full spectrum of occupational medicine services to numerous Fortune 500 companies and other industry leaders. We are seeking an experienced Nurse Practitioner or Physician Assistant (Advanced Practice Provider) to join our team in the Stillwater, OK, area.
NewNurse Practitioner or Physician Assistant - Hospitalist (Nights) - Oklahoma City MHM Support ServicesNurse Practitioner or Physician Assistant - Hospitalist (Nights) - Oklahoma CityOklahoma City, OklahomaWhat sets us apart is our unwavering commitment to physician leadership—from the highest levels of our organization to the front lines of care—where physicians and caregivers collaborate, embrace fresh thinking, and drive clinical and operational excellence. As part of an organization rooted in nearly 200 years of compassionate service, you’ll help deliver transformative health care experiences while exploring new technologies and shaping the future of medicine.
Physician Assistant - Orthopedics - Oklahoma City (Crimson Spire) MHM Support ServicesPhysician Assistant - Orthopedics - Oklahoma City (Crimson Spire)Oklahoma City, OklahomaWhat sets us apart is our unwavering commitment to physician leadership—from the highest levels of our organization to the front lines of care—where physicians and caregivers collaborate, embrace fresh thinking, and drive clinical and operational excellence. As part of an organization rooted in nearly 200 years of compassionate service, you’ll help deliver transformative health care experiences while exploring new technologies and shaping the future of medicine.
Physician Assistant or Nurse Practitioner - Urology - Oklahoma City MHM Support ServicesPhysician Assistant or Nurse Practitioner - Urology - Oklahoma CityOklahoma City, OklahomaWhat sets us apart is our unwavering commitment to physician leadership—from the highest levels of our organization to the front lines of care—where physicians and caregivers collaborate, embrace fresh thinking, and drive clinical and operational excellence. As part of an organization rooted in nearly 200 years of compassionate service, you’ll help deliver transformative health care experiences while exploring new technologies and shaping the future of medicine.
Primary Care APP | Nurse Practitioner or Physician Assistant | Oklahoma City Medical Edge RecruitmentPrimary Care APP | Nurse Practitioner or Physician Assistant | Oklahoma CityOklahoma City, OKPrimary care APP opportunity in the Oklahoma City area for a provider with outpatient experience and an interest in rheumatology. For details, call Alex Higgins at 214 499 1048 or email ahiggins@staffmedhp.com.
Hospitalist Nocturnist Physician Assistant Medical Edge RecruitmentHospitalist Nocturnist Physician AssistantOklahoma City, OK$150,000–$160,000 / yearNight shift hospitalist opportunity in the Oklahoma City area for a Physician Assistant with inpatient experience. Strong fit for a Physician Assistant comfortable managing overnight inpatient needs.
Physician - Urology - Mercy Hospital OKC, OK Mercy Clinic Oklahoma CommunitiesPhysician - Urology - Mercy Hospital OKC, OKOklahoma City, OklahomaWhat sets us apart is our unwavering commitment to physician leadership—from the highest levels of our organization to the front lines of care—where physicians and caregivers collaborate, embrace fresh thinking, and drive clinical and operational excellence. OKC delivers big‑city amenities without big‑city congestion—professional sports, a revitalized downtown and Bricktown entertainment district, diverse dining, arts, and cultural attractions.
Gastroenterology Physician, Stillwater, OK The Specialty AllianceGastroenterology Physician, Stillwater, OKStillwater, OklahomaThis partnership empowers AGA to deliver superior, individualized patient care by leveraging GI Alliance’s robust, world-class business and organizational support, ensuring our physicians can focus on what they do best – providing top-notch care in a successful and dynamic private practice setting. Our physicians lead with a commitment to quality, access, and outcomes, and our shared infrastructure ensures they have the tools, data, and support to continually elevate care in every community we serve.
Otolaryngology Physician - INTEGRIS Health Southwest Medical Center - Oklahoma City Integris Health IncOtolaryngology Physician - INTEGRIS Health Southwest Medical Center - Oklahoma CityOklahoma City, OKModerate exposure to hazardous risks, including potential for exposure to infections and communicable diseases, blood and body fluids, electrical equipment, chemicals. Completes and maintains problem list, medication list, disease management forms, preventative maintenance flow sheets and other medical record forms.
Otolaryngology Physician - INTEGRIS Health Canadian Valley Hospital Integris Health IncOtolaryngology Physician - INTEGRIS Health Canadian Valley HospitalOklahoma City, OKModerate exposure to hazardous risks, including potential for exposure to infections and communicable diseases, blood and body fluids, electrical equipment, chemicals. Completes and maintains problem list, medication list, disease management forms, preventative maintenance flow sheets and other medical record forms.
Interventional Cardiology Physician -BC/BE - Edmond, Oklahoma Integris Health IncInterventional Cardiology Physician -BC/BE - Edmond, OklahomaEdmond, OKOur new INTEGRIS Health Heart Hospital has 64 ICU beds, multiple cardiac catheterization labs, cardiovascular operating rooms, hybrid operating rooms, electrophysiology heart labs, and convenient cardiac diagnostic testing areas. Oklahoma City is bursting with new development, bettering its infrastructure and schools, and creating new quality-of-life additions to the city that are wowing longtime citizens and drawing attention and visitors from around the country.
Pulm/CC/ILD & Transplant Physician - BC/BE - INTEGRIS Health Baptist Medical Center Integris Health IncPulm/CC/ILD & Transplant Physician - BC/BE - INTEGRIS Health Baptist Medical CenterOklahoma City, OKINTEGRIS Health Advanced Cardiopulmonary Care Program, is recruiting a Full-time, BC/BE pulmonary/critical care physician leader to start and grow an accredited INTERSTITIAL LUNG DISEASE program at a quaternary care, large community hospital with lung transplant, advanced pulmonary, pulmonary hypertension, advanced heart failure, all solid organ transplantation and ECMO teams. Development of an accredited program in ILD within an advanced lung division including comprehensive outpatient clinic, diagnostics, multi-disciplinary conferences, clinical research and publications (optional and encouraged).
Physician, Family Medicine, Full Time, INTEGRIS Health Medical Group Memorial West Clinic Integris Health IncPhysician, Family Medicine, Full Time, INTEGRIS Health Medical Group Memorial West ClinicOklahoma City, OKModerate exposure to hazardous risks, including potential for exposure to infections and communicable diseases, blood and body fluids, electrical equipment, chemicals. Completes and maintains problem list, medication list, disease management forms, preventative maintenance flow sheets and other medical record forms.
Diagnostic Cardiology Physician - BC/BE - Full Time - INTEGRIS Health Canadian Valley Hospital Integris Health IncDiagnostic Cardiology Physician - BC/BE - Full Time - INTEGRIS Health Canadian Valley HospitalYukon, OKModerate exposure to hazardous risks, including potential for exposure to infections and communicable diseases, blood and body fluids, electrical equipment, chemicals. INTEGRIS Health, the largest Oklahoma-owned not-for-profit health system in the state, is known for innovation and unparalleled quality offering advanced treatment options and specialties found nowhere else in the region.
Otolaryngology Physician - INTEGRIS Health Baptist Medical Center, Oklahoma City, OK Integris Health IncOtolaryngology Physician - INTEGRIS Health Baptist Medical Center, Oklahoma City, OKOklahoma City, OKModerate exposure to hazardous risks, including potential for exposure to infections and communicable diseases, blood and body fluids, electrical equipment, chemicals. Completes and maintains problem list, medication list, disease management forms, preventative maintenance flow sheets and other medical record forms.
OBGYN Physician - BE/BC - INTEGRIS Health Canadian Valley - Days Integris Health IncOBGYN Physician - BE/BC - INTEGRIS Health Canadian Valley - DaysYukon, OKLocated off Interstate 40 just a short 16 miles from downtown Oklahoma City, INTEGRIS Health Canadian Valley Hospital consists of approximately 180,000 square feet and includes 57 private medical surgical rooms as well as a medical office building. INTEGRIS Health Medical Group is seeking a board certified or board eligible OB/GYN to join an established hospital-based practice located at INTEGRIS Health Canadian Valley Hospital in Yukon, Oklahoma.
BE/BC - Transplant Hepatologist Physician - INTEGRIS Health Nazih Zuhdi Transplant Institute Integris Health IncBE/BC - Transplant Hepatologist Physician - INTEGRIS Health Nazih Zuhdi Transplant InstituteOklahoma City, OKThe INTEGRIS Health Nazih Zuhdi Transplant Institute is Oklahoma's largest and most comprehensive multi-organ transplant center housed at INTEGRIS Health Baptist Medical Center where it is one of the nine centers of excellence. Moderate exposure to hazardous risks, including potential for exposure to infections and communicable diseases, blood and body fluids, electrical equipment, chemicals.
Physician Assistant/ Dr. Rousan Oklahoma Heart HospitalPhysician Assistant/ Dr. RousanOklahoma City, OKOr hold a specialty certification as a clinical nurse specialist valid on January 1, 1994, granted by a national certifying organization recognized by the Oklahoma Board of Nursing and deemed to be a clinical nurse specialist under the provisions of the Oklahoma Nursing Practice Act. Nurse Practitioner- National certification from a national certifying body acceptable by the Oklahoma Board of Nursing in the following specialties: Adult Gerontology Acute Care (AG-AC NP) or Acute Care Current BLS certification required.