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To speak with an appointment scheduler, call 1-800-533-UPMC between 7 a.m. and 7 p.m. Monday through Friday.

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Internal Medicine

Sub Specialty:

Hospital Affiliation(s):
UPMC Mercy
UPMC Presbyterian
UPMC Passavant
UPMC Shadyside
UPMC St. Margaret

Patient Satisfaction Ratings:
4.9 Stars
188 Patient
Satisfaction Ratings
Learn About Our Survey


UPMC Heart and Vascular Institute
UPMC Presbyterian
200 Lothrop St.
Suite 5B
Pittsburgh, PA 15213
Office Phone:
(412) 647-6000

UPMC St. Margaret - Medical Arts 200
200 Delafield Rd.
Suite 3010
Pittsburgh, PA 15215
Office Phone:
(412) 781-4860

UPMC Mercy Professional Building
1350 Locust St.
First floor, Suite 100
Pittsburgh, PA 15219
Office Phone:
(412) 232-9030


Advanced Heart Failure and Transplant Cardiology, American Board of Internal Medicine
Cardiovascular Disease, American Board of Internal Medicine


MD, Columbia University Hospital, New York, NY

Massachusetts General Hospital,
Boston, MA

Massachusetts General Hospital,
Boston, MA

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

Rate the Provider

Listens Carefully

Spends Enough Time with You

Recommend This Provider to Family/Friends

Shows Respect for Patients

Provides Easy to Understand Information

Explains in a Way You Understand

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.

February 05, 2018

wonderful experience

January 29, 2018

Dr Mathier and his staff are absolutely wonderful to deal with. They are professional and take a personal interest and explain things in easy to understand language. This Dr is very approachable and is a pleasure to his patient.

January 29, 2018

Always a good visit, always know exactly where we are with my health issues and what my health plan is. Great Doctor

January 29, 2018

excellent doctor

January 04, 2018

I had a rather complex issue for the past 9 months and changed doctors to Dr Mathier. Dr Mathier was thorough in evaluating the issue and I believe I will have a positive outcome

January 04, 2018

very good experiences

December 18, 2017

Dr. Mathier is always willing to answer all my questions and recommend treatment that he and I think will work for me.

December 11, 2017

very good doctor

December 07, 2017

Great Doctor, very easy to talk too and understands my condition. Would highly recommend him.

December 04, 2017

I love this health care provider. He is one of the few that listens carefully and treats me as an individual not as a test result.