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Sub Specialty:
Cornea and External Diseases
Refractive Surgery

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

Patient Satisfaction Ratings:
4.7 Stars
323 Patient
Satisfaction Ratings
Learn About Our Survey


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

UPMC Eye Center, Eye & Ear Institute
203 Lothrop St.
Floor 7
Pittsburgh, PA 15213
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.

September 26, 2019


September 19, 2019

Dr. Mammen always has good comments from others. I think he is very professional

September 16, 2019

Dr. Mammen is the best ophthalmologist I have had. He basically gave me my life back with the procedure he did on both of my eyes. Dr. Mammen always makes sure to follow up and see how my eyes are and explains everything thoroughly with me and if I have any questions about anything, he makes sure to clear everything up.

September 16, 2019

very good, would come back

September 12, 2019

Exceptional doctor and very helpful staff

September 12, 2019

Very good experience. Very attentive

September 05, 2019

Dr. Mammen and his staff provide the highest standard of care. They are friendly, professional and help to put me at ease. Dr. Mammen took the time I needed to listen to every concern I had. I feel confident under his care.

September 05, 2019

all my upmc doctors are great

September 05, 2019


August 15, 2019

Dr Mamenn is great. provided excellent care.