NPPES file of Aug 9, 2026

Samantha Sarah Massenzio

Ophthalmology Physician · Philadelphia, PA

Samantha Sarah Massenzio is an ophthalmology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1497391262, issued on Nov 26, 2019. Check the license (Pennsylvania MD493849, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497391262
Name
Samantha Sarah Massenzio
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
MD493849 PA
MT226001 PA
Self-reported in NPPES; status is on the state search
Practice location
840 Walnut St Ste 1020, Philadelphia, PA 19107
Phone
(800) 331-6634
Enumerated
Nov 26, 2019
Record last updated
Aug 5, 2026
Medicare enrollment
Enrolled (PECOS I20260515001887); may accept Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →

Also registered at 840 Walnut St Ste 1020

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Luis Acaba-BerrocalOphthalmology Physician1336768852
  2. Flavius BecaOphthalmology Physician1659909620
  3. Nikhil Bommakanti, MDOphthalmology Physician1740841568
  4. Durga Borkar, M.D.Ophthalmology Physician1063851160
  5. Theodore Bowe, MDOphthalmology Physician1740818558
  6. Jordan Deaner, MDOphthalmology Physician1407234123

Verify Samantha Sarah Massenzio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD493849    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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65% fewer Medicare Part D claims than the average ophthalmology physician in 2024

528 Medicare Part D claims for 183 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Samantha Massenzio528
  2. Specialty average1,518

Most prescribed

  1. Latanoprost116 claims
  2. Prednisolone Acetate69 claims
  3. Dorzolamide-Timolol65 claims
  4. Brimonidine Tartrate60 claims
  5. Erythromycin55 claims
  6. Neomycin-Polymyxin-Dexameth18 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.

Industry payments in 2024: $249.90

3 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Surgical Vision, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samantha Massenzio$249.90
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Samantha Sarah Massenzio among 1,088 ophthalmology physician records in Pennsylvania

Samantha Sarah Massenzio 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 2019, is newer than 90% of them.

  • NPI issued2019 · 90% of these records are older, 8% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2022 · median 2000 among the 734 with a school on file
  • Record last updated2026 · 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 Philadelphia → Ophthalmology Physician nationwide →

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Yelena Doych, MDPhiladelphia, PA 191071669419545
  2. Alan Forman, M.D.Philadelphia, PA 191071174524771
  3. Janice Gault, MDPhiladelphia, PA 191071780673137
  4. Kammi GuntonPhiladelphia, PA 191071750383600
  5. Julia Haller, M.D.Philadelphia, PA 191071871542514
  6. Daniel Kane, MDPhiladelphia, PA 191071700847282
  7. Lawrence Kenney, M.D.Philadelphia, PA 191071972582633
  8. Peter Laibson, MDPhiladelphia, PA 191071194723841

Common questions

What is Samantha Sarah Massenzio's NPI number?

Samantha Sarah Massenzio's National Provider Identifier (NPI) is 1497391262, issued on Nov 26, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Samantha Sarah Massenzio located?

The NPPES record lists a practice address at 840 Walnut St Ste 1020, Philadelphia, PA, 19107. Phone: (800) 331-6634. Providers update this record themselves, so call before visiting.

How can I verify Samantha Sarah Massenzio's license?

NPPES lists Pennsylvania license number MD493849, 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 Samantha Sarah Massenzio prescribe under Medicare Part D?

In 2024, Samantha Sarah Massenzio had 528 Medicare Part D claims for 183 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.