Dr. Zabelin is a fully certified NUCCA doctor practicing in San Francisco as the sole practitioner of Cow Hollow Chiropractic clinic. He is a graduate of Pacific States Chiropractic College/Life Chiropractic College where he was an honor student and valedictorian.

Dr. Zabelin is past Chair of the NUCCA Education Committee and designed and implemented a full tri -level program for semi-annual NUCCA conferences. He has been a basic course instructor of NUCCA at Palmer College of Chiropractic, responsible for teaching film analysis, history of upper cervical adjusting, and phases of the adjustment. He also teaches and lectures at Life Chiropractic College West, and has been a module instructor for the Diplomate of Applied Chiropractic Sciences.

Dr. Zabelin is a contributing author to Practice and Principles of NUCCA and is a consultant on aligned X-ray equipment for private offices, installation companies, and public clinics.