To schedule an appointment with any of our providers please call 800-962-3766


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


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.


Eric Pham, MD


Dr. Eric Pham received his Bachelor of Science degree in Biological Sciences from the University of California, Irvine, and graduated Magna Cum Laude. He then went on to receive his Doctorate of Medicine degree from the University of California, San Diego, followed by a General Surgery residency at Loma Linda University Medical Center in Loma Linda, California. After his residency he completed a rewarding year of fellowship in Minimally Invasive Surgery at the University of Southern California in Los Angeles.

Dr. Pham is board certified in General Surgery and maintains a special interest in advanced laparoscopic procedures, including gastric bypass, gastric banding, sleeve gastrectomy and revision weight loss surgeries, hernia repair, splenectomies and adrenalectomies. He actively participates in the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) at St. Joseph Hospital which is honored to hold the designation as Comprehensive Center for bariatric and metabolic surgery.


Raymond Shofler, MD



Charles Hunter, MD

Los Angeles


Justin King, MD

San Diego


Mahammad Arain, MD