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Sub Specialty:
Surgical Oncology

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

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


University of Pittsburgh Physicians

Liver Cancer Center
UPMC Montefiore
3459 Fifth Ave.
Liver Cancer Center
Pittsburgh, PA 15213
Office Phone:
(412) 692-2001

UPMC Hamot The Regional Cancer Center
2500 W. 12th Street
Erie, PA 16505
Office Phone:
(412) 748-6454

UPMC Mercy Professional Building
1350 Locust St.
Suite 300
Pittsburgh, PA 15219
Office Phone:
(412) 692-2001

UPMC St. Margaret - Medical Arts 100
100 Delafield Rd.
Suite 113
Pittsburgh, PA 15215
Office Phone:
(412) 692-2001


Surgery, American Board of Surgery


MD, University of Arkansas for Medical Sciences, Little Rock, AR

Mayo Clinic,
Rochester, MN

St Paul University Hospital,
Dallas, TX

University of Pittsburgh School of Medicine,
Pittsburgh, PA

Mayo Clinic,
Rochester, MN

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 indentified for confidentiality and patient privacy.

October 17, 2016

Excellent Doctor and Staff.

October 03, 2016

Dr. Marsh and Gretchen Foster are life savers.

August 15, 2016

Dr. Marsh is the man!!!

August 03, 2016

We have dealt with Dr. Marsh's nurse, Gretchen mostly throughout our time with Dr. Marsh and she is absolutely wonderful. She always e-mails my wife with my lab results and is genuinely concerned about my health and well being. And Dr. Marsh has also been wonderful as well. I am so glad that we were able to find him and Gretchen.

June 27, 2016

Dr. Marsh is great!

June 27, 2016

My appointment with Dr. Marsh went very well. I felt much better about my situation after talking to him.

June 22, 2016

the doctor explained everything on a level in witch we could understand. he made us feel very comfortable about my upcoming operation

June 13, 2016

Dr. Marsh and his staff were very professional and courteous. At this point, they are still trying to figure out the best care/treatment for my condition. I respect the fact that he brought my case to his weekly conference to consult other physicians/surgeons. Hopefully I will answers on how to treat my condition.

June 08, 2016

This care provider is one of the best i have seen.

June 06, 2016

Dr Wallis is the best he saved my life and I will be eternally grateful