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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.

Note: We can schedule appointments for many — but not all — UPMC doctors and locations at this number.

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Internal Medicine
PCP (Primary Care Physician)

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

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


UPMC Downtown
Heinz 57 Center
339 Sixth Ave.
Heinz 57 Center, 5th Floor
Pittsburgh, PA 15222
Office Phone:
(412) 560-8762


Internal Medicine, American Board of Internal Medicine


MD, MCP Hahnemann University/Drexel, Philadelphia, PA

Allegheny General Hospital,
Pittsburgh, PA

Allegheny General Hospital,
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

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.

August 09, 2019

Dr. Duca is an excellent, very caring Physician.

July 31, 2019

Dr Duca is awesome

July 31, 2019

Almost always a pleasant experience with Dr. Duca. He is a very good doctor who is knowledgeable and cares about me as a patient. He is very good about identifying causes and remedies for any issues I have had.

July 30, 2019

Dr Duca was very professional and knew my medical issues behind the pre op visit required before the scheduled sinus surgery. I trust his judgement and he devoted the time to discuss my concerns.

July 29, 2019

Dr. Duca and his staff very professional and efficient thank you

July 25, 2019

I like and trust Mark Duca.

July 17, 2019

Dr. Duka was thorough and professional, and he completely discussed and answered all of my questions related to my visit.

July 16, 2019

Dr. Mark Duca is an excellent provider. He never makes me feel rushed or as if my worries are trivial. He listens and provides incredibly helpful medical direction / guidance. I feel very fortunate to have him as my provider.

July 16, 2019

I highly recommend Dr. Duca and his staff.

July 15, 2019

Mark treats me like a professional and I return the courtesy. He understands fully that I take an informed and active role in my healthcare and our visits reflect that in his approach to my care.