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1995 …2022

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Personal profile

Research interests

Dr. Gregory Billy is interested in clinical responses to fluoroscopic guided spinal injections: caudals, sacroiliac joint and lumbar epidural injections, as well as the role of the lumbar core muscles in chronic lower back pain and following denervation procedures.

His current projects include clinical trials on the effects of Taiji and Qigong on fibromyalgia patients; the efficacy of fluoroscopically guided lumbar epidural steroid injections; and the use of collagen hydrolysate as a dietary supplement for knee pain in physically active college students. He is also involved in an ongoing study regarding abnormalities found via screening two-dimensional echocardiography during the preparticipation evaluation of NCAA Division I athletes.

He previously studied the efficacy of fluroscopically guided caudal epidural steroid injections and changes in lumbar disc morphology associated with prolonged sitting.

Dr. Billy's work has been funded by the National Institutes of Health and Penn State Clinical and Translational Science Institute.

Teaching and educational interests

Dr. Gregory Billy teaches in the Medicine for Consumers class for medical students, sharing topics relevant to the complex medical system. He additionally teaches medical students, residents and fellows about spinal pathology and effective treatment algorithms.

Clinical interests

Dr. Gregory Billy's clinical interests include interventional lumbar spine procedures, neck pain, electrodiagnostic medicine and sports medicine.

Professional information

Subspecialty-certified in Sports Medicine, 2009, American Board of Physical Medicine and Rehabilitation (recertified through 2029)

Subspecialty-certified in Pain Medicine, 2003, American Board of Physical Medicine and Rehabilitation (recertified through 2023)

Subspecialty-certified in Electrodiagnostic Medicine, American Board of Electrodiagnostic Medicine, 2000 (recertified through 2021)

Board-certified in Physical Medicine and Rehabilitation, 1998, American Board of Physical Medicine and Rehabilitation (recertified through 2028)

Education/Academic qualification

Physical Medicine and Rehabilitation, Residency, Sinai Hospital of Baltimore


Internal Medicine, Internship, Reading Hospital and Medical Center


MD, Penn State College of Medicine



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