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Orthopaedic Surgery

Sub Specialty:
Foot and Ankle Surgery
Orthopaedic Trauma
General Fracture Care
Sports Medicine (Upper Extremity)
Sports Medicine (Lower Extremity)

Hospital Affiliation(s):
UPMC Presbyterian

Patient Satisfaction Ratings:
4.7 Stars
66 Patient
Satisfaction Ratings
Learn About Our Survey


UPP - Department of Orthopaedic Surgery
UPMC Mercy Professional Building
1350 Locust St.
Suite 220
Pittsburgh, PA 15219
Office Phone:
(412) 687-3900


Orthopaedic Surgery, American Board of Orthopaedic Surgery


MD, Temple University School of Medicine, Philadelphia, PA

University of Pittsburgh School of Medicine,
Pittsburgh, PA

Hahnemann/Drexel University College,
Philadelphia, PA

University of Washington,
Seattle, WA

Appointment Information

New Patients

Appointment Information

Call 1-800-533-UPMC (8762), Monday through Friday between 7 a.m. and 7 p.m. to schedule an appointment OR call the locations listed above to speak with a representative.

Returning Patients

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Patient Ratings

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Recommend This Provider to Family/Friends

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Provides Easy to Understand Information

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Patient Comments

At UPMC we believe transparency is critical. Patient comments found on UPMC Find A Doc are not investigated to ascertain truth or validity. Comments are posted in the spirit of providing patient's perceptions of their encounters with their providers.

Patient comments are gathered from our Press Ganey Patient Satisfaction Survey and are displayed in their entirety. Patients are not identified for confidentiality and patient privacy.

October 31, 2019

Virtually no wait time, extra friendly staff at the front desk, knowledgeable, friendly doctor and assistants!

October 24, 2019

Dr. Gruen is just an excellent all-around doctor and I am thankful that I have access to him.

October 24, 2019

I absolutely regard Dr Gruen as the best he has been wonderful to me, straightforward and honest about my recovery I have referred him to many of people

September 05, 2019

Never having done or seen the surgery I needed, Dr. Gruen operated on my leg 13 years ago. There was no other doctor I wanted to see other than Dr. Gruen when I re-injured my leg one month ago as I knew he would remember me and circumstances related to my first surgery in 2006. I'm so glad Dr. Gruen is still with the University of Pittsburgh Physicians Orthopedic Surgery.

September 05, 2019

Gary's the best very knowledgeable about me

July 11, 2019

I have always had good experiences with Dr Gruen . He is an excellent doctor and person. It is because of him that I am able to walk.

June 20, 2019

I was referred to Dr. Gruen, and he did not disappoint. I didn't have to wait long to see him at all. In fact, I was in and out by the time I'd still be waiting to see the doctor I saw previously, and he was still thorough, kind, and seemed well-educated. Dr. Gruen reviewed my medical records prior to meeting with me, making him familiar with me. I will definitely recommend him.

June 20, 2019

couldn't make appointment for next year but have in past. X-ray report was different than what doctor and assistant explained to me. Dr Gruen is a marvelous MD and my husband I are truly grateful for his remarkable care and unrivaled skill.

June 13, 2019

Terrific doc.

May 21, 2019

Dr Gruen is an outstanding physician. upmc is lucky to have him.