Board of Governors

Board of Governors Resources>

James Gemmer, MD (Chair)
Lamont Paxton, MD (Vice Chair)
Ronald Dorn, MD (Sec. and Tres.)
Toni Brayer, MD, FACP
Scott A. Hoffinger, MD
Robert Margolin, MD
Gary Okamoto, MD
Vin Sawhney, MD
Cheryl Tanasovich, MD
Steven R. Una, MD
Ann Vercoutere, MD
Bradford Cohn, MD (Chairman Emeritus)


Board of Governors - Officers

James Gemmer, MD - Chairman
Business Location:  Solano County, CA
Medical Specialty:  Orthopedic Surgery

2018 Committees:  Executive (Chair) / Government Affairs (Chair) / MIEC PAC CA Advisory (Chair)

Doctor Gemmer has been a member of the MIEC Board of Governors since 1989, and serves as Chairman of the Board, Chairman of the Executive Committee, Chairman of the Government Affairs Committee, and Chairman of the MIEC PAC CA Advisory Committee.  He is Past President of the Solano County Medical Society where he also served on and chaired the MRAC Committee. He also received the Emeritus Professor Award from Solano County Medical Society. Dr. Gemmer served as Chairman and Vice Chairman of the Board of Directors of Sutter Solano Medical Center where he served on the board for 21 years; and he served as Secretary-Treasurer, Vice Chairman, and Chief of Surgery for Sutter Solano Medical Staff.  He also served as Vice Chairman of the Vallejo General Hospital Foundation.  Additional memberships include California Medical Association, the American Medical Association, and American Academy of Orthopaedic Surgeons.

Lamont Paxton, MD - Vice Chairman
Business Location:  San Leandro, CA
Medical Specialty:  Vascular Surgery
2018 Committees: Executive (Vice-Chair) / Claims (Chair) / Finance & Investment

Doctor Paxton has been a member of the MIEC Board of Governors since 2005. He has served as Vice Chairman of the MIEC Board of Governors since 2009. He was President of the Alameda-Contra Costa Medical Association (ACCMA) in 2005. He serves as the Chairman of the Professional Liability Committee B of the ACCMA.  Doctor Paxton is Chairman of the Department of Surgery at Eden Medical Center. He is Chief of the Division of Vascular Surgery at Eden Hospital Medical Center. He has served as President of the Northern California Vascular Society, the East Bay Surgical Society and the San Francisco Surgical Society.  He is a fellow of the American College of Surgeons, and Chairman of the Committee on Applicants for the American College of Surgeons.

Professional memberships include the International Society for Cardiovascular Surgery, the American Association of Vascular Surgery, the San Francisco Surgical Society, the Pacific Coast Surgical Society, the Northern California Vascular Society, the Peripheral Vascular Surgical Society and the Western Vascular Society.


Ronald Dorn, MD - Secretary & Treasurer
Business Location: Boise, ID
Medical Specialty: Oncology 2018
Committees: MIEC PAC ID Advisory (Chair) / Audit (Chair) / Compensation (Chair) / Executive / Finance & Investment / MIEC Pension Plan


Doctor Dorn has been a member of the MIEC Board of Governors since. 2005.  He is Secretary/Treasurer and serves on the Executive Committee.  He chairs the Compensation, Finance & Investment, and Audit Committees.  Doctor Dorn is a practicing radiation oncologist at the Mountain States Tumor Institute in Boise and has served as the medical director of that Institute. He is a diplomat of the American Board of Radiology, a Fellow of the American College of Radiology, and a Fellow of the American Society of Radiation Oncology.  Memberships include the Idaho Medical Association (IMA) and the Ada County Medical Society for which he has been a delegate to the IMA House of Delegates.  Other memberships include the American Radium Society, American Society of Radiation Oncology where he serves as Chairman-elect and vice-chairman of the History Committee, and the American Society of Clinical Oncology.  He is a founding member and member of the Medical Advisory Committee of the Expedition Inspiration Fund for Breast Cancer Research.  He is currently President of the Board of Directors of the Discovery Center of Idaho.


Other Members of the Board of Governors

Toni Brayer, MD, FACP
Business Location:  San Francisco
Medical Specialty:  Internal Medicine
2018 Committees: Underwriting (Chair) / Finance & Investment  / Government Affairs / Compensation / MIEC PAC CA Advisory 

Doctor Brayer has been a member of the Board of Governors of MIEC since 2007, and served as an advisor since 2002. She was recently the CEO of Sutter Pacific Medical Foundation and practices Internal Medicine at California Pacific Medical Center.

Dr. Brayer graduated cum laude from Arizona State University and received her Medical Degree from the University of Arizona. She served as Chief Resident at Children’s Hospital San Francisco (now California Pacific Medical Center). She has practiced Internal Medicine for over 30 years in San Francisco and was named a “Best Doctor” annually from 1997-through 2018. A former Chief of Staff at CPMC and past-president of the San Francisco Medical Society, Dr. Brayer was a delegate to the California Medical Association and served as vice-chair of the board for the Institute for Medical Quality until 2003. She is a fellow in the American College of Physicians and served on the governor’s council of ACP. An Associate Clinical Professor at University of California San Francisco School of Medicine, Dr. Brayer served as clinical faculty at CPMC where she designed an ambulatory elective for Internal Medicine residents.

At Sutter Health, Dr. Brayer was the West Bay Region Chief Medical Officer where the focus was on quality and physician-hospital relationships. She has served as Vice-Chair of the CPMC Board of Directors and a member of Sutter Health’s Public Policy Committee. She has been named by the San Francisco Business Times to its list of “The Bay Area’s 100 most influential Women in Business” and she also received the "Health Hero Award" for her volunteer work at Katrina, New Orleans and the Haiti earthquake from The American College of Physicians. She has written extensively about health care issues, public policy and quality and is a recognized physician leader.

Toni Brayer is the mother of two and enjoys tennis, gardening, and writing for her blog: www.EverythingHealth.net.

Scott A. Hoffinger, MD
Business Location:  Moraga, CA
Medical Specialty:  Pediatric Orthopedic Surgery
2018 Committees:  Claims / Finance & Investment

Doctor Hoffinger has been a member of the MIEC Board of Governors since 2006, and has been an advisor to the MIEC Board since 2002.  He is a member of the Alameda-Contra Costa Medical Association (ACCMA), for which he currently serves on the Professional Liability Committee.  He was also the ACCMA representative for District 10.  In the past, Doctor Hoffinger served as President of Children’s Hospital Medical Staff.  Currently, he is Associate Professor of Orthopaedic Surgery at Stanford University School of Medicine and practices Pediatric Orthopaedic Surgery at offices in Emeryville, Walnut Creek, and Palo Alto. He also serves as Associate Chief of Orthopaedics at Lucile Packard Children's Hospital at Stanford.  Doctor Hoffinger has been active as a Board Member for the American Academy for Cerebral Palsy, for which he held the offices of Treasurer and President. Professional memberships include the American Academy of Orthopaedic Surgeons and the Pediatric Orthopaedic Society of North America.

Robert Margolin, MD
Business Location:  San Francisco, CA
Medical Specialty:  Internal Medicine
2018 Committees:  Executive / Audit / Underwriting / Government Affairs / MIEC PAC CA Advisory

Doctor Margolin has been a member of the MIEC Board of Governors since 2007 and has served as an advisor to the MIEC Board since 2002. He is a Board-Certified Internist, practicing in San Francisco for the past 33 years. He is an Associated Clinical Professor of Medicine at the University of California, San Francisco and has won numerous teaching awards from the residency programs at Mount Zion Hospital, Moffitt Hospital, and CPMC. Dr. Margolin has served as President of San Francisco Medical Society, Trustee of the California Medical Association and Chairman of CALPAC. He is currently Chief of Staff at the California Pacific Medical Center and has served on the Medical Executive Committees of Mount Zion Hospital, the UCSF Clinical Practice Organization, and the UC-Stanford Medical Group.

Gary Okamoto, MD
Business Location: Honolulu, Hawaii
Medical Specialty:  Physiatry
2018 Committees:  Executive / Patient Safety and Risk Management / Compensation

Dr. Okamoto has been a Member of the MIEC Board of Governors since December 2011. He is a member of the AMA and former President of the Hawaii Medical Association and Honolulu County Medical Society. As a board-certified physiatrist, he is a Fellow in the American Academy of Physical Medicine and Rehabilitation and formerly Associate Clinical Professor at the University of Hawaii. Since 2012, he has served as AlohaCare’s first Chief Medical Officer for its Medicaid and Medicare Special Needs Plans. AlohaCare was founded by Federally Qualified Health Clinics. His oversight includes medical directors, quality improvement, pharmacy formularies, field and telephonic care management, long term services, utilization management, population health, and implementation of a new high touch Care Model that is member-and-community centric. He has daily interactions with physicians, APRNs, and other providers. On a limited basis, he evaluates complex patients with major disabilities. Presently, he serves on the board of two safety net hospitals for long term care. Dr. Okamoto holds a BA, University of Hawaii; MD, Washington University School of Medicine in St. Louis; and MPH, University of Washington School of Public Health, Seattle.

Vin Sawhney, MD
Business Location:  San Leandro, CA
Medical Specialties:  Internist and Specialist in Gastroenterology
2018 Committees:  Claims / Government Affairs / Finance and Investment / MIEC PAC CA Advisory

Doctor Sawhney has been a member to the MIEC Board of Governors since 2008 and was an Advisor to the Board for two years prior to that. He was President of the Alameda-Contra Costa Medical Association (ACCMA) in 2004, and has served in numerous other medical leadership positions including: Chief of the Medical Staff at Physicians Community Hospital in San Leandro; member and Chair of the Board of Trustees of San Leandro Hospital; President of the American Association of Physicians of Indian Origin (AAPIO), representing 26,000 physicians of Indian heritage; President of AAPIO’s Northern California chapter; member of the House of Delegates of both the California Medical Association and the American Medical Association; and a member of the Governing Council for the International Medical Graduate Section at the AMA. Doctor Sawhney served as President of the Nargis Dutt Cancer Foundation, helped to organize local health fairs, and spearheaded fundraising efforts for victims of the Loma Prieta earthquake and the Bhopal gas disaster.


Cheryl Tanasovich, MD
Business Location:  Greenbrae, CA
Medical Specialty:  Dermatology
2018 Committees:  Patient Safety and Risk Management / Compensation / Underwriting


Doctor Tanasovich served MIEC as an advisor since 2004 and has been a member of the MIEC Board of Governors since 2007. She has been in private practice in Dermatology in Marin County since 1990. She is also Assistant Clinical Professor of Dermatology at UCSF. She completed her residency in Dermatology at UCSF in 1990 after serving as a Melanoma Fellow at the same institution. Prior to that, she completed residency in Internal Medicine as well as an Internship in General Surgery at St. Mary's Hospital in San Francisco. She is Board Certified in both Internal Medicine and Dermatology.

She was a Regents Scholar at UC Davis School of Medicine after graduating Summa cum Laude in Biochemistry from California Polytechnic State University.

During internship and residency she was active in the California House Officer Medical Society as Region I councilor and served as vice-president in 1985-6. She was a member of the CMA committee on Pharmacy and Therapeutics from 1987 to 1990. She was the CHOMS delegate to the AMA Resident Physician Section 1984-1987 and Alternate Delegate for the California Delegation to the AMA house of Delegates in 1986.

Steven R. Una, MD
Business Location:  Castro Valley, CA
Medical Specialty:  Internal Medicine/Infectious Diseases
2018 Committees: Audit / Patient Safety and Risk Management / Underwriting


Doctor Una has served as a member of the MIEC Board of Governors since 2008 and was an Advisor to the Board from 2006 to 2008. He practices Internal Medicine/Infectious Diseases at Eden Medical Center, Castro Valley, California, where he has served as President of the Medical Staff, Chief of Internal Medicine, and Chairman of Pharmacy and Therapeutics, and he continues as Chair of Inpatient Medicine and Co-Chairman of Infection Control.  He is a Past-President of the Alameda-Contra Costa Medical Association (ACCMA), is a past Trustee of the California Medical Association (CMA), and has chaired the CMA Medical Services Committee and is advisor to that committee. He has chaired multiple CMA reference committees, as well as the Quality Improvement Technical Advisory Committee.  He remains an alternate delegate to the solo and small practice forum of the CMA. Dr. Una is the secretary of the Affinity Medical Group, an independent physician owned and managed IPA of over 900 physicians which serves the Bay Area region of Northern California.

Ann Vercoutere, MD
Business Location:  Greenbrae, CA
Medical Specialty:  General, Thoracic and Vascular Surgery
2018 Committees:  Patient Safety and Risk Management  / Claims

Doctor Vercoutere has been a member of the MIEC Board of Governors since 2006, and has served MIEC as an advisor to its Claims Committee since 2002. Dr. Vercoutere is a board certified general surgeon who has practiced in Marin for thirty years.  She is a member and a past President of the Marin County Medical Society and served as Chief of General and Thoracic Surgery from 2003-2009, and Chief of Surgery from 2009-2013 at Marin General Hospital. She worked as a surgical hospitalist in Albuquerque from March, 2013 to December 2014. She has served on the Board of Directors of the Marin Individual Practice Association for more than fifteen years.  Memberships include the California Medical Association and the American Medical Association.


Chairman Emeritus

Bradford Cohn, MD
Business Location: San Francisco, CA
Medical Specialty: Pediatrics, Legal Medicine
2018 Committees: Government Affairs / MIEC PAC CA Advisory

Doctor Cohn served as Chairman of the MIEC Board from its inception in 1975 until December 2008. He now serves as a member of the Government Affairs Committee and the MIEC PAC CA Advisory Committee. He is a Board-certified, 50-year veteran pediatric practitioner, former Department Chairman at St. Mary's Hospital, and Associate Clinical Professor of Pediatrics at University of California, San Francisco. Doctor Cohn has served as President of the San Francisco Medical Society as well as the California Medical Association, Chairman of the California Delegation to the American Medical Association, and is proud to be an Honorary Member of the Idaho Medical Association. He has chaired the Professional Liability Committees of the American Academy of Pediatrics and the American Medical Association. He also served as President of the Physicians Insurers Association of America, and is recipient of the California Medical Association’s MacLaggan Award for Medical Political Action. Doctor Cohn is the author of numerous papers and presentations to medical, legal and lay audiences.



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