Our Providers

Carl Shin, MD

Dr. Shin received his Doctor of Medicine degree from Loma Linda University in 1995. He also completed his residency in Physical Medicine and Rehabilitation at Loma Linda University Medical Center.

Dr. Shin’s Fellowship in Interventional Spine was completed at University of Pennsylvania under Dr. Curtis Slipman, where he was published in several prominent journals, including the American Journal of Physical Medicine and Rehabilitation.

In July of 2000, he obtained his Certification from the American Board of Physical Medicine and Rehabilitation and established his private practice shortly thereafter in Interventional Spine, Electromyography, and Pain Management. He is the current Chief Medical Officer of Center for Interdisciplinary Spine, a managed care firm that provides workers’ compensation utilization review services to self-insured employers.

Read More

Tim Yoon, MD

Dr. Yoon graduated from Loma Linda University where he completed medical school and his post graduate training. Dr. Yoon is Board Certified in both Physical & Rehabilitation Medicine and Pain Medicine.

His goal is to promote the public’s awareness of physical medicine and rehabilitation for those suffering from pain.

In his spare time, Dr. Yoon enjoys music and watching team sports.

Jason Packer, DC, PAC

Jason Packer DC, PA-C graduated from Palmer College of Chiropractic West in San Jose California in 2002.

He practiced as a Chiropractor in the Sacramento area for nine years. Wanting to further his education, he graduated from UC Davis FNP/PA school in 2013. Dr. Packer briefly worked in Orthopedic Surgery before specializing in pain management at CIS.

Dr. Packer enjoys spending time with his wife and four children. In the summertime he likes to water ski, and snow ski in the winter.

Ken Shoji, DC

Dr. Shoji graduated Magna Cum, Laude at Life Chiropractic College West in 1993.

With over 20 years of experience in the California Workers Compensation system, Dr. Shoji has wealth of knowledge necessary to ensure patients receive the best treatment available within the scope of the current guidelines.

Dr. Shoji supports the organization through record reviews and provides our team with weekly quality assurance reviews and tips.

During his off time, Dr. Shoji enjoys hunting with his dog JoJo and is eager to learn more about angling.