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2018-2019 Nominee Information
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The OPSC Nominating Committee is aware of its responsibility to nominate qualified osteopathic physicians and to provide balanced representation on the Board of Directors by virtue of geography, practice type, age, and gender parameters. Added to the above are considerations for desire to serve and the character, ability, and time commitment that a potential nominee would bring to the board. Also important to any organization is a certain continuum, i.e., a core of committed leadership able to bring a sense of organizational history. This, too, was a consideration weighed by the committee. The Nominating Committee was careful to balance the slate with experience, activism, interest, commitment and fresh perspectives. As a result of these considerations, the following nominees were selected:




 President-Elect: Minh Nguyen, DO, FACOEM, MPH, MHA, MGH, MBA Kirksville College of Osteopathic Medicine, 1999. Dr. Nguyen is Vice President of Medical, West Division for U.S. HealthWorks Medical Group, having worked with U.S. HealthWorks since 2002. He received his Master of Public Health, Master of Healthcare Administration and Master of Geriatric Health from AT Still University School of Health Management, and his Executive Master of Business Administration from the University of Southern California Marshall School of Business in 2015. Dr. Nguyen completed a General Surgery internship at Naval Medical Center in San Diego, and an Occupational Medicine Residency at the University of Pennsylvania School of Medicine. He has served on OPSC Board of Directors since 2014 and chaired the Legislative and Workers’ Compensation Committees, as well as his most recent role as OPSC Vice President. He was selected as the 2013 OPSC Rookie of the Year and as the 2015 OPSC Most Valuable Physician of the Year Award. Dr. Nguyen is a member of the San Diego County Osteopathic Medical Association, the Western Occupational and Environmental Medical Association (WOEMA), and serves on the Board of Directors for the California Coalition on Workers’ Compensation (CCWC).




Vice-President: Wadsworth Murad, DO - Western University of Health Sciences College of Osteopathic Medicine of the Pacific, 1984. Currently the Chief of the Medical Staff at Patton State Hospital in Southern California, Dr. Murad is AOA double Boarded and Certified in both Family Medicine (ACOFP) and Psychiatry (AOBNP). Previously, he was Chief of Medicine and has been Chief of Professional Education / DME for 8 years, then Chief of Psychiatry for 8 years. He also has a part time private practice of psychiatry. Prior to that, he had a full time private office doing both Family Practice and Psychiatry in Nevada. Dr. Murad was president of an IPA and PHO and Chief of Staff in two different hospitals. He has faculty apportionments at WesternU, Touro, Loma Linda, and UCI Schools of Medicine and was Co-Director of the Arrowhead Medical Center's AOA Psychiatry residency program. He is a former Major in the USAF-Reserve. Dr. Murad is a member of the San Bernardino County Osteopathic Medical Association.

Members, Board of Directors term expires 2021

 Donna Cashdan, DO, FAAFP – College of Osteopathic Medicine of the Pacific, 1994. Dr. Cashdan performed her residency at Glendale Adventist Medical Center’s Family Practice Residency Program, serving as Chief Resident in her third year. She became a faculty member at the residency program upon graduation for 8 years, serving as Medical Director of the Family Medicine Center. Dr. Cashdan previously helped with evaluations for the oral boards for the Osteopathic Medical Board of California. In 2005, she started a Family Medicine private practice. She has been involved with CAP-MPT Physician Peer Review, served as a clinical preceptor for the USC Physician’s Assistance Program, taken students from Western University’s Nurse Practitioner Program and mentored prospective students applying to Osteopathic programs. She is also a hospice physician for Roze Room Hospice. Dr. Cashdan is a member of the Los Angeles County Osteopathic Medical Association.


 Melissa Pearce, DO – Touro University College of Osteopathic Medicine - California, 2005. Dr. Pearce is doubly Board Certified in Family Practice and Osteopathic Manipulative Medicine (AOBFP) and Neuromusculoskeletal Medicine/Osteopathic Manipulative Medicine (C-NMM/OMM) with residency training at Doctors Hospital in Modesto, California and St. Barnabas Hospital in Bronx, NY, respectively. She is also a Diplomate of the American Board of Integrative and Holistic Medicine (ABIHM). Dr. Pearce is Vice-Chair of Touro's Osteopathic Manipulative Medicine Department, Medical Director of the Touro University California Student-Run Free Clinic, and the Principal Investigator for the RIOT trial (Reducing Inflammation with Osteopathic Treatment). Dr. Pearce is Chair of the OPSC Education Committee. She is a member of the Greater Sacramento Osteopathic Medical Association.

 John Peter Zopfi, DO, FACOS, MS – Western University of health Sciences, College of Osteopathic Medicine of the Pacific, 1986. Dr. Zopfi completed his residency in general surgery at Grandview Hospital and Medical Center in Dayton, Ohio. He was granted the title of Fellow in the American College of Osteopathic Surgeons in 2000. He has practiced general surgery, thoracic surgery, and trauma surgery at NorthBay Medical Center in Fairfield, California since 1991. Dr. Zopfi is currently the Trauma Medical Director at NorthBay’s Level 2 trauma center. He is also the Medical Director for Touro University’s medical students at NorthBay Medical Center. Dr. Zopfi recently completed a Masters of Science in Healthcare Administration and Interprofessional Leadership at the University of California at San Francisco. He serves as the current Chairman of the California Youth Soccer Association – North and as a member of the United States Soccer Medical Advisory Committee. Dr. Zopfi is a member of the Greater Sacramento Osteopathic Medical Association.

Member Board of Directors term expires 2020 

Michael Luszczak, DO - Western University of Health Sciences, College of Osteopathic Medicine of the Pacific, 1990. Dr. Luszczak is an emergency physician with The Permanente Medical Group in Sacramento. He completed an internship at Silas B. Hays Army Community Hospital at Fort Ord, California, Family Medicine Residency at DeWitt Army Community Hospital at Fort Belvoir, Virginia and Emergency Medicine Residency at Brooke Army Medical Center at Fort Sam Houston, Texas. Dr. Luszczak serves on the OPSC Education and Budget and Financial Review Committee, and represents the OPSC at the State Advisory Committee on Community Paramedicine. He was selected as recipient of the 2017 OPSC Award. In addition to active practice as an emergency physician, Dr. Luszczak is the site coordinator and faculty liaison to the UC Davis Emergency Medicine Residency for the North Valley Kaiser Permanente Emergency departments, and has served as an examiner for the American Board of Emergency Medicine since 2008. He is a member of the Greater Sacramento Osteopathic Medical Association.


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