About Dr. Chang

Benjamin Chang, M.D., is a board certified physiatrist who specializes in musculoskeletal disorders, pain management, and rehabilitation. Before establishing Liberty PM&R, he worked as a physician for Kaiser Permanente Hospital. He is currently an attending physician at Northwell Health Systems.

Dr. Chang is trained in a wide range of treatment methods. He has also had medical training in acupuncture, which he employs as an alternative treatment method for patients who can benefit from it. He is fluent in English, Korean, Spanish, and Portuguese.


His degrees are listed below:   

  • 1991 UC Berkeley - BA in Biology

  • 1995 SUNY Downstate Medical School (M.D.)

  • 1996 University of California Irvine Medical School - Internal Medicine

  • 1999 UCLA Medical Center - Residency in Physical Medicine and Rehabilitation
  • Board Certified in American Board of Physical Medicine & Rehabilitation


  • Nerve Conduction Studies (NCS)
  • Needle Electromyography (EMG)
  • Ultrasound
  • Acupuncture
  • Injections
  • Amputations/Prosthetics
  • Arthritis
  • Cancer Rehabilitation
  • Cardiac Rehabilitation
  • Degenerative Disc Disease
  • Fibromyalgia
  • Geriatric Rehabilitation
  • Herniated Disc
  • Neck Pain
  • Osteoperosis
  • Post-Polio Syndrome
  • Sciatica
  • Scoliosis
  • Spinal Cord Injuries
  • Spinal Stenosis
  • Spondylolisthesis
  • Sports-Related Injuries
  • Stroke
  • Upper/Lower Back Pain