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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
310 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

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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.

June 27, 2019

dr manmen and the office staff are great!

June 27, 2019

Dr. Mammen is an excellent cornea specialist.

June 27, 2019

very good

June 27, 2019

my care was good

June 24, 2019

Provider was very knowledgeable of my condition and has a good plan for my treatment.

June 24, 2019

I waited more than 90 minutes before I saw the doctor. I've been coming here for 5-6 years & I AKWAYS wait for at least an hour and a half no matter what time my appt is made yet the board at reception desk says the particular doctor is "on time". a joke if not so frustrating

June 21, 2019

I am getting the best care from these doctors

June 20, 2019

Dr. Mammen is a consummate professional. He was highly recommended to me and my experience lived up to my expectations. I felt that I was in good hands with my cataract surgery. His residents were terrific too.

June 17, 2019

Dr Mammen is a wonderful doctor, he always gives you his full attention, listens to all your concerns, and makes sure you understand any instructions before you leave his office.

June 13, 2019

dr Mamen gave me back good eyesight to enhance my quality of life