Alex Mammen, MD
Ophthalmology Physician · Pittsburgh, PA
Alex Mammen, MD is an ophthalmology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1508055898, issued on Oct 23, 2007. Check the license (Pennsylvania MD442263, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Alex Mammen
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD442263 PA
Self-reported in NPPES; status is on the state search - Practice location
- 203 Lothrop St, Pittsburgh, PA 15213
- Phone
- (412) 647-2200
- Enumerated
- Oct 23, 2007
- Record last updated
- Sep 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (412) 647-9607
- Medicaid ID
- 102604990 PA
- Medicare enrollment
- Enrolled (PECOS I20110712000606); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 203 Lothrop St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bethany Anke, SLPSpeech-Language Pathologist1356452072
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Verify Alex Mammen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD442263Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average ophthalmology physician in 2024
1,922 Medicare Part D claims for 371 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Prednisolone Acetate383 claims
- Moxifloxacin286 claims
- Erythromycin275 claims
- Fluorometholone121 claims
- Latanoprost109 claims
- Bacitracin-Polymyxin101 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Pittsburgh PhysiciansPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alex Mammen among 1,088 ophthalmology physician records in Pennsylvania
Alex Mammen, MD is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 60% of them.
- NPI issued2007 · 60% of these records are older, 33% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2007 · median 2000 among the 734 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Pennsylvania
There are 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Pittsburgh → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ahmed Al-Ghoul, MDPittsburgh, PA 152131194749374
- Gabrielle BonhommePittsburgh, PA 152131063592756
- Thomas FribergPittsburgh, PA 152131225001969
- Denise Gallagher, M.D.Pittsburgh, PA 152131699980151
- Jean Harwick, M.D.Pittsburgh, PA 152131548222409
- Roheena KamyarPittsburgh, PA 152131992823017
- Louis Lobes, MDPittsburgh, PA 152131215981030
- Joseph MartelPittsburgh, PA 152131326247545
Common questions
What is Alex Mammen, MD's NPI number?
Alex Mammen, MD's National Provider Identifier (NPI) is 1508055898, issued on Oct 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alex Mammen, MD located?
The NPPES record lists a practice address at 203 Lothrop St, Pittsburgh, PA, 15213. Phone: (412) 647-2200. Providers update this record themselves, so call before visiting.
How can I verify Alex Mammen, MD's license?
NPPES lists Pennsylvania license number MD442263, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alex Mammen, MD prescribe under Medicare Part D?
In 2024, Alex Mammen, MD had 1,922 Medicare Part D claims for 371 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Alex Mammen, MD's MIPS final score?
The 2023 MIPS final score is 77.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.