Gregory A. Tocks, D.O.

Dr. Tocks is a board certified, orthopedic surgeon specializing in joint replacement procedures, including total knee, hip and shoulder replacement surgery. He completed a fellowship in adult total joint reconstruction at the Virginia Commonwealth University. Dr. Tocks also specializes in anterior approach hip replacements and outpatient total joint replacements.

He currently serves as the Physician Director of the Geriatric Fracture Committee at Penn Medicine Lancaster General Health.  When not cheering on Penn State, Dr. Tocks cherishes the time that he spends with his family.

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  • Fractures & Sprains
  • Hip
  • Knee
  • Neck & Back
  • Shoulder
  • Trauma
  • Work Injuries
  • Undergraduate Education: Pennsylvania State University, University Park, PA
  • Medical School: Philadelphia College of Osteopathic Medicine, Philadelphia, PA
  • Internship: Orthopedic Track, Pinnacle Health System, Community General Osteopathic Hospital, Harrisburg, PA
  • Residency: Pinnacle Health System, Community General, Harrisburg, and West Shore Hospitals, Harrisburg, PA
  • Fellowship: Total Joint Reconstruction, Virginia Commonwealth University, Richmond, VA
  • Licenses: Commonwealth of Pennsylvania
  • Licenses: DEA Medical License
  • Geriatric Hip Fracture Program Physician Director, Penn Medicine-Lancaster General Health
  • American Osteopathic Academy of Orthopedics
  • North Pointe Surgery Center
  • Penn Medicine Lancaster General Health
  • Orthopedic Associates of Lancaster, Ltd.
  • American Association of Hip & Knee Surgeons
  • American Academy of Orthopedic Surgeons
  • American Osteopathic Academy of Orthopedics
  • American Osteopathic Association
  • The OAL staff is always friendly and polite. Your diagnosis and treatment are explained in great in detail, so you truly understand what is going on. They also go above and beyond with insurance to get things preapproved, I would never go to another place.
  • Absolutely amazing such nice doctors and nurses went out of there way for me highly recommend them! Thank you to all you helped me!
  • I was amazed at the speed in which my daughter was seen by a doctor at urgent care. I just assumed it would be at least a 30 minute wait. Instead, we were in and out in 30 minutes!
  • I had my left shoulder worked on and the surgery was very successful. I do not have any limitations or pain now. I would use this group again for any orthopedic issue I may have in the future, because they CARE about your success.
  • I was seen promptly for my initial consultation. The staff and Dr. Sieger were friendly and professional, excellent communication! I’m planning to have Dr. Sieger to do my carpal tunnel surgery in the near future.
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