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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

Language Spoken:

Patient Satisfaction Ratings:
4.6 Stars
272 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

Patient comments are gathered from our Press Ganey Patient Satisfaction Survey and are displayed in their entirety. Patients are de-indentified for confidentiality and patient privacy.

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

Doctor took the time to do a procedure on my eye that others could have made me come back for.

September 26, 2016

Everyone was wonderful

September 22, 2016

spent well over an hour waiting to see the dr

September 22, 2016

Dr. Mammen was wonderful. He treated me with respect and answered all my questions. I came to UPMC eye center for a second opinion after a bad interaction with another ophthalmologist. The experience at UPMC was so different. I have recommended your team and Dr. Mammen to others :)

September 15, 2016

excellent experience

September 12, 2016

After spending 2 hours in the waiting room, I never saw Dr. Mammen. My personal schedule didn't allow me to wait any longer, nor did I want to. I have been experiencing discomfort in my eyes and looked forward to the appointment. Imagine my disappointment when I had to spend my day off driving to and from Oakland and waiting, then not seeing the doctor.