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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
307 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

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Patient Ratings

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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.

May 06, 2019

very good

May 02, 2019


April 22, 2019

The doctor and the fellow I saw before him both were very good, but I had to wait for over an hour to see them. I asked each one in turn, the fellow then the doctor, if it's normal to have to wait an hour, and they both said yes. The fellow actually said an hour was good, compared to other longer waits which I guess can be typical. If everyone knows this happens regularly, WHY DO THEY SCHEDULE APPOINTMENTS LIKE THIS???? That's ridiculous!!! My time has value, too!!! I am a person with a life! Kind of unbelievable that this passes for normal and acceptable. Imagine if every patient made the doctor wait an hour. How long would that go on? Nuts.

April 18, 2019


April 18, 2019

Dr. Mammen has been treating my eye problem and doing a real good job.

April 11, 2019

very professional.

April 08, 2019

Dr. Mammen was behind schedule. Upon my arrival, one of the clerks upon "checking me in" told me that they didn't have me on their schedule and that there was no 1:20 appointment. She said there was an appointment on Wednesday. I calmly told her that I had an appointment at 1:20 that that I wasn't leaving. Her reply was "okay dear." I am only 66 years old, my hair is not white and I am not senile. I do not like to be referred to as "dear." Next, she said "now I see the appointment for 1:20 but I have to check with my supervisor before I can give it to you." So after a while she came back and said that, yes, I could have that appointment. Then one of the techs did some tests and put drops in my eyes and then banished me (and others) to the back room until Dr. Mammen could see us. After about an hour, we all started questioning each other about what time their appointment was and about 20 minutes after that Dr. Mammen was able to see us all within about 5-10 minutes. she noticed the appointment for 1:20

April 08, 2019

wait time was over an hour

April 04, 2019

very very long wait

March 28, 2019

the Monroeville and Oakland staff are great! Shyla from the Monroeville office went above and beyond to help me obtain my medical records. I appreciated her help!