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Internal Medicine

Sub Specialty:

Hospital Affiliation(s):
UPMC Shadyside
UPMC Presbyterian
UPMC Magee-Womens Hospital

Patient Satisfaction Ratings:
4.8 Stars
65 Patient
Satisfaction Ratings
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UPMC Endocrinology and Diabetes Center
Falk Medical Building
3601 Fifth Ave.
Suite 3B
Pittsburgh, PA 15213
Office Phone:
(412) 586-9700


Endocrinology, Diabetes & Metabolism, American Board of Internal Medicine


MD, Columbia University Hospital, New York, NY

University of Pittsburgh School of Medicine,
Pittsburgh, PA

University of Pittsburgh School of Medicine,
Pittsburgh, PA

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

  • Your doctor may participate in scheduling through MyUPMC. If you would like to book online, please log in and visit the Appointments tab.
  • Call the locations listed above to speak with a representative.

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.

March 19, 2019

Dr. Horwitz knows my case very well. She has been my doctor for many years. I would not change, but she is VERY busy. Right now she has a very good assistant.

February 26, 2019

Everyone and everything was exceptional

February 19, 2019

Very pleased with my overall experience with Dr Horwitz and the staff at the Falk Clinic location

February 19, 2019

I'm Blessed to have Dr Mara Horwitz is in my life.. She is Awesome and her Staff are always welcoming, helpful and just terrific!

January 08, 2019

Other than the wait time, everything was fine.

January 08, 2019

excellent experience

November 27, 2018

When I leave her office I know exactly how I am and what will happen next.

October 23, 2018

i thinkthe doctor is excellent but my bloodwork was incomplete which caused me to have to repeat the testing and return on another day this should have been checked prior to my appointment date

October 16, 2018

Dr. Horwitz is very thorough and professional during the exam, and I have benefited from her expertise and care as it relates to osteoporosis. She is an excellent physician!

October 02, 2018

everyone I interacted with during the time spent at the Falk clinic was kind, considerate, informative and pleasant. from the valet service to the cleaning staff, the professional and para professional staff. I was impressed.