Alex Mammen is an Ophthalmology physician affiliated with University of Pittsburgh. OpenAlex indexes 40 publications with 492 citations (h-index 9); ClinicalTrials.gov lists 1 registered study matched to this name.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
203 Lothrop St
Eei 7th Floor
Pittsburgh, PA 152132548
Telephone
412-647-2200Registry record last updated 2 Sept 2011.
Clinical trials
- Fluorometholone Study
Sponsor: Vishal Jhanji
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
1 company reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- CeQur CorporationProgram year20231 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Medicare prescribing footprint (2024)
The drugs this prescriber writes for Medicare patients, grouped by drug class and therapeutic area. Every percentage is a share of their total prescribing, so you can see what they prescribe most. These are proportions, not patient counts or dollar amounts. No condition is inferred: the claims record what was prescribed, never why.
Sensory organs
51.3%Corticosteroid28.4%Prednisolone Acetate76%Fluorometholone24%Part D≥161 patientsProstaglandin Analog6.1%Latanoprost100%Part D≥24 patients+ 7 more classes in this area
Anti-infectives
36.1%Fluoroquinolone Antibacterial16.1%Moxifloxacin100%Part D≥103 patientsMacrolide15.5%Erythromycin100%Part D≥92 patients+ 2 more classes in this area
Respiratory
5.7%Antibiotics5.7%Bacitracin-Polymyxin100%Part D≥35 patients
Drug classes come from the WHO ATC and U.S. National Library of Medicine (RxClass) classifications; prescribing counts come from the CMS Medicare Part D Prescribers file. Each drug is counted once, under its primary class. Medicare fee-for-service only, so no Medicare Advantage, commercial, or pediatric prescribing is included. CMS publishes this data about 17 months after the fact.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- Impact of Contact Lens Use on Clinical Profile and Outcomes of Fungal Keratitis: An 8-Year Retrospective Study
American Journal of Ophthalmology
2026 - Management of Corneal Neovascularization With Diathermy and Intrastromal Bevacizumab Injection
Eye & Contact Lens Science & Clinical Practice
2025 - Double Povidone-Iodine 5% Preparation Before Cataract Surgery for Endophthalmitis Prevention
Eye & Contact Lens Science & Clinical Practice
2025
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A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”