Michael Chin, MD, FACS, RPVI

Multiple Locations – Riverside, Corona, Wildomar


Dr. Michael Chin is a board-certified surgeon who specializes in treating a wide range of vascular and general disorders.

Dr. Chin, who has been a practicing surgeon for more than 20 years, sees patients at Mission Surgical Clinic’s offices in Corona, Riverside and Wildomar. He is on staff at six Inland Empire hospitals.

He is a member of the American College of Surgeons (ACS), the International College of Surgeons, the American Hernia Society (AHS), the Vascular Access Society of America (VASA), the California Medical Association (CMA), the American Society of Breast Surgeons (ASBS) and the Riverside County Medical Society (RCMA).

Dr. Chin, who has developed deep roots in the Inland Empire, is dedicated to providing skilled surgical care to all his patients.

Clarence Petrie, MD, FACS

Fullerton – 714-446-6670

Dr. Petrie has been a surgeon on staff at St. Jude Medical Center since 1978. Dr. Petrie received his medical degree from the University of Cape Town where he also did his internship. He held residencies at Edendale and Groote Schuur Hospitals in South Africa and also at the Mayo Clinic where he did residencies in General Surgery, Transplant Surgery and was a Special Clinical Fellow. He joined the staff in 1972 and practiced surgery, taught in the Mayo Medical School and the Surgical Residents Program. He was promoted to Assistant Professor of Surgery in 1974. He is Board Certified and a Fellow of the American College of Surgeons and a Fellow of the Royal College of Surgeons of Edinburgh.


Jeffrey Johnsrud, MD, FACS

Tustin – 714-641-4442

Dr. Jeffrey Johnsrud is a General Surgeon in Tustin, CA and has been practicing for 31 years. He graduated from Keck School Of Medicine Of The Univ Of Southern California in 1982 and specializes in general surgery. He received two Bachelors of Science Degrees from the University of Southern California prior to receiving his Medical Degree there. He also did his internship and residency at the Los Angeles County, University of Southern California Medical Center and became a Board Certified surgeon in 1988 and is a Fellow of the American College of Surgeons