The Permanente Medical Group, Inc. (TPMG - Kaiser Permanente Northern California) is one of the largest multispecialty medical groups in the nation with over 10,000 physicians, 21 medical centers, numerous clinics throughout Northern and Central California, and an 80-year tradition of providing quality medical care. · Northern California Home Loan Program - up to $250,000 available for down payment, interest free for 10 years, AND NO PAYMENTS until end of 10-year period.