Mount Nittany Physician Group

Specialties and Biography

  • Total Shoulder Replacement
  • Total Hip Replacement
  • Total Knee Replacement
  • Knee Arthroscopy
    • Meniscus Repairs
  • Shoulder Arthroscopy
    • Rotator Cuff Tear
  • Ulnar Nerve Release
  • Surgical Fracture Repair
  • Carpal Tunnel Repair
  • Trigger Finger Release

Dr. Spencer is a board-certified orthopedic surgeon who sees patients in need of specialty shoulder care, total joint replacements, and sports related injuries. He is an expert in advanced arthroscopic and minimally invasive techniques involving the shoulder as well as total knee, hip, and shoulder replacement surgery. He is also experienced in sports related injuries and fracture care.

After earning his undergraduate from Penn State in 2000, Dr. Spencer returned to his native Philadelphia and received his medical degree from The Philadelphia College of Osteopathic Medicine in 2005. He then completed an orthopedic residency at York Hospital before spending a year specializing in shoulder surgery and sports medicine at The University of Pennsylvania.

Dr. Spencer is a member of several orthopedic organizations including The American Academy of Orthopedic Surgeons, Arthroscopy Association of North America, American Society of Sports Medicine, and Mid-Atlantic Shoulder and Elbow Society. He received the Philadelphia Sports Medicine Research Award in 2011 and continues to be involved with orthopedic and shoulder research with his colleagues.

Dr. Spencer was an All-American boxer for Penn State and enjoys giving back to the Penn State Boxing Team as the ringside physician for all their bouts.


Medical Education

Philadelphia College of Osteopathic Medicine, Philadelphia, PA


Memorial Hospital, York, PA
FellowshipPennsylvania Hospital, Philadelphia, PA


Wellness Articles

by Brian A. Spencer, DO

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Reviews and ratings

Rating Summary

Provider explanations of prob/condition
4.8 out of 5
172 ratings
Time CP spent with patient
4.7 out of 5
170 ratings
Likelihood of recommending CP
4.8 out of 5
171 ratings
Ease of scheduling appointment
4.7 out of 5
170 ratings


February 27, 2023
For an injury or serious problem you shouldn't have to wait 6-8 weeks to see a doctor, and months to get it fixed. (Surgery).
January 18, 2023
Dr. Spencer is always courteous and knowledgeable. He is remarkable in his field and always helpful in the best way he can be.
January 18, 2023
Answered all my questions about pending surgery and was able to provide me intermediate term relief at the same appointment that should carry me until surgery.
January 02, 2023
Dr Spencer knows his profession. A kind Dr. He's one of my favorites
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