Roger Kasendorf, DO, is a board-certified osteopathic physician and physiatrist specializing in pain management, physical medicine, and rehabilitation. He provides care in the San Diego area for patients dealing with musculoskeletal conditions, acute injuries, and chronic pain, including problems that have continued for years without resolution. In addition to treating patients, he teaches at three osteopathic medical schools, serves as an examiner for his specialty boards, and works as an independent medical examiner and expert witness. His approach emphasizes understanding what a patient can no longer do and working toward restoring that function.

He earned a Bachelor of Science in Nutritional Science from the University of Maryland at College Park in 1999 and a Doctor of Osteopathic Medicine degree from the New York College of Osteopathic Medicine in 2003. He completed a traditional rotating internship at North Shore University Hospital at Plainview before completing his residency in physical medicine and rehabilitation at Nassau University Medical Center. From 2006 to 2007, he served as Chief Resident. He holds board certifications in physical medicine and rehabilitation and pain management and is licensed in California, Nevada, Texas, Wyoming, and Alaska.

His clinical experience includes work on both coasts. From 2009 through 2015, he operated his own practice in Long Beach, New York, and La Jolla, California. He also served as a physiatrist and Director of Sports Medicine at Coastal Pain and Spinal Diagnostics. He has maintained an affiliation with Scripps Memorial Hospital since 2014 and has practiced with Ortho 1 Medical Group since January 2026.

His areas of care include osteopathic manipulation, acute and chronic pain management, arthritis and rheumatological conditions, cancer pain management, regenerative medicine, and rehabilitation. He performs trigger point, joint, spinal, facet, and hyaluronic acid injections and uses Botox for migraines.