Board Members


Annette Zaharoff, MD

Dr. Zaharoff is a sports medicine physician in private practice in San Antonio, Texas. She created The Non-Surgical Center of Texas which is a comprehensive center for the evaluation and non-surgical treatment of musculoskeletal injuries. She is board certified in PM&R. Her practice includes prolotherapy, PRP and stem cell injections. She is president and a founding member of the International Association of Regenerative Therapy and serves on the Board of Directors for the Hackett Hemwall Patterson Foundation. She is an invited speaker for regenerative medicine courses in the U.S and abroad and has participated as faculty for numerous prolotherapy medical trips. She is a former professional tennis player and continues her involvement in tennis by serving as a tournament physician for national and international events.


Adam Balin, MD

Adam is an MD who has practiced Family Medicine at the Dean Clinic (now SSM Health, Dean Medical Group) in Oregon, WI since 1989. Over the years there he has served on myriad committees, task forces and leadership positions, including Chair of Family Medicine, Primary Care Regional Medical Director, and the Dean Clinic Board of Directors as well as on the Dean Foundation Board of Directors. He is also faculty at the UW Madison School of Medicine and Public Health and teaches residents at the Northeast Family Medical Center, where he got to know Jeff Patterson much better. He ultimately went to his first HHPF (then HHP) October conference in 2011. Adam was profoundly impressed and moved by that conference, which completely changed his perspective of how to care for patients with chronic musculoskeletal pain. He went to the very next Honduras service learning trip for 2 weeks with Jeff,  Mary, Chet, and many other dedicated instructors and volunteers. He returned to practice as a convert to prolotherapy and what it could offer patients. Shortly afterward Jeff asked him to serve on the HHP Board of Directors, specifically because of his large system governance and operations experience, and with the intent of moving HHPF to a new level of organization that would continue to grow and improve patient care well after Jeff, Mary and the rest of us were no longer there to do it. Currently serving on both the HHPF BOD and the new IART interim BOD, Adam continues to help move the vision and mission of both organizations to realize Jeff's dream of a world where chronic pain is better understood and where reliable, effective treatment is accessible to all.

At-Large Directors

Liza Maniquis-Smigel, MD

Liza Maniquis-Smigel, MD is a physiatrist and is fellowship trained in Performing Arts and Musculoskeletal Medicine. She is a Diplomate of the American Board of Physical Medicine & Rehabilitation and the American Board of Regenerative Medicine. She serves on the Board of Directors for the International Association of Regenerative Therapy (IART). She is in private practice in Hawaii and is the medical director of the Hawaii Center for Regenerative Medicine since 2006. Her special interests include treatment of musculoskeletal and neuropathic injuries with regenerative approaches, including Prolotherapy, Dextrose Perineural Injection therapy (PIT), Prolozone, PRP and Stem Cell Therapy, using palpation, ultrasound or fluoroscopic guidance. Dr Maniquis-Smigel has published three research articles relating to dextrose caudal epidurals, which she originated in 2010. She has served as clinical instructor and lecturer for the American Academy of Orthopedic Medicine, Hackett Hemwall Patterson Foundation, European School of Prolotherapy, International Pain School in Europe, and Philippine Association of Rehabilitation Medicine. She also has been volunteering her time since 2003 for Medical Missions throughout the world. She has directed and organized several Prolotherapy and Perineural Injection Therapy Conferences, both in Hawaii, as well as numerous locales around the world.

Craig Chappell, DO

Gregory Hon, DO

Dr. Gregory Hon is an Assistant Professor of Osteopathic Manipulative Medicine at Campbell University School of Osteopathic Medicine.

Dr. Hon received his Doctor of Osteopathy from A.T. Still University Kirksville College of Osteopathic Medicine. He completed his residency in Neuromusculoskeletal Medicine and Osteopathic Manipulative Medicine (NMM/OMM) at Northeast Regional Medical Center in Kirksville, MO. He went on to complete a primary care sports medicine fellowship program at the Institute for Non-Surgical Orthopedics in South Florida. Dr. Hon is board certified in NMM/OMM and holds a certificate of added qualifications in sports medicine (CAQSM). Dr. Hon is also a candidate for the Fellowship of the Academy of Wilderness Medicine (FAWM).

Before joining the faculty at CUSOM, Dr. Hon was in clinical practice in Bolivar, MO. His practice there specialized in osteopathic manipulation, sports medicine, and non-operative orthopedics. While in Bolivar, he served as one of the team physicians for Southwest Baptist University. Dr. Hon currently serves as the head team physician for the United States 24-hour Ultramarathon team and has accompanied the team to multiple world championship races. He is active in the Hackett Hemwall and Patterson Foundation, participating in international medical mission trips providing prolotherapy in Honduras and Mexico.

Dr. Hon’s medical practice continues to focus on musculoskeletal pathology. He specializes in the non-operative evaluation and treatment of injuries and complaints involving joints, muscles, tendons, ligament, bone and nerve pathologies. Dr. Hon is an expert in concussion evaluation and management. In addition to osteopathic manipulative treatment (OMT), he provides information and counseling on general exercise for health and wellness, injury prevention, and therapeutic exercise prescription. Dr. Hon performs both diagnostic and therapeutic injection techniques, as well as various regenerative injection therapies, such as dextrose prolotherapy and platelet-rich plasma (PRP). Dr. Hon is proficient with musculoskeletal ultrasound for both evaluation and diagnosis, as well as for needle guidance during injection techniques.

Deb Raehl, DO

Joel Baumgartner, MD

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563 Carter Court, Suite B | Kimberly, WI 54136

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