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Sub Specialty:
Cornea and External Diseases
Refractive Surgery

Hospital Affiliation(s):
UPMC Shadyside
UPMC Horizon
UPMC Monroeville Surgical Center
UPMC Mercy
UPMC Presbyterian
Children's Hospital of Pittsburgh of UPMC

Patient Satisfaction Ratings:
4.6 Stars
276 Patient
Satisfaction Ratings
Learn About Our Survey


University of Pittsburgh Physicians

UPMC Eye Center
UPMC Eye Center, Eye & Ear Instittute
203 Lothrop St.
Floor 7
Pittsburgh, PA 15213
Office Phone:
(412) 647-2200

UPMC Surgery Center at Daughtery Drive
125 Daugherty Dr.
3rd Floor
Monroeville, PA 15146
Office Phone:
(412) 647-2200


Ophthalmology, American Board of Ophthalmology


MD, Medical College of Georgia , Augusta, GA

Medical College of Georgia,
Augusta, GA

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

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.

December 29, 2016

I don't have any problems with the care of the provider, I think Dr. Mammen is a very good doctor and I trust him.

December 08, 2016

Dr. Mammen is a terrific eye dr. I am very pleased with my surgeries.I have given his name to several friends.

December 08, 2016

Three hours was too long for a yearly eye exam.

November 21, 2016

This was a check-up visit. My appointment was at 10:50 am and I was in the waiting room at 10:25 am. I was seen briefly by a nurse at 10:50 and then waited to see the doctor until around 12:15. About 15 minutes later I was seen by a resident who did my exam. About 15 minutes after he was done I finally saw my doctor. "Everything looks fine." Roughly 2 hours between appointment time and finally seeing my doctor with no explanation for the delay. This is really not acceptable.

November 17, 2016

Dr. Mammen and his team are caring, sensitive, and work with syncrony.

November 10, 2016

Dr. Mammen was very nice and answered all of my questions. He helped me to better understand my condition and took the time to clearly explain everything to me.

October 27, 2016

Very Good

October 20, 2016

My whole experience was excellent. I felt very comfortable.

October 03, 2016

wait was a little long, but the service was great.

September 26, 2016

Everyone was wonderful