Registry data as of Aug 27, 2026

Mohamed Elmasry, MD, PHD

Retina Specialist (Ophthalmology) Physician · Boston, MA

Mohamed Elmasry, MD, PHD is a retina specialist (ophthalmology) physician with a practice address in Boston, Massachusetts, and NPI 1982126769, issued on Jul 12, 2017. Check the license (Massachusetts 283784, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1982126769
Name
Mohamed Elmasry
Credential
MD, PHD
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
283784 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Joslin PL, Boston, MA 02215
Phone
(617) 309-2586
Enumerated
Jul 12, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1 Joslin PL

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

  1. Adham Abdel Mottalib, MDEndocrinology, Diabetes & Metabolism Physician1740774892
  2. Omar Abdelal, MDRetina Specialist (Ophthalmology) Physician1497241962
  3. Motasem Al-Latayfeh, M.D.Ophthalmology Physician1184855710
  4. Louise Ambler Osborn, CPNPPediatric Nurse Practitioner1013389386
  5. Sue-Ellen Anderson-Haynes, MS, RDN, LDNRegistered Dietitian1326329590
  6. Gillian Arathuzik, RD, LDN, CDEMetabolic Nutrition Registered Dietitian1922023217

Verify Mohamed Elmasry in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 283784
    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 Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

82% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

106 Medicare Part D claims for 29 beneficiaries, against an average of 593 among the 904 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. Mohamed Elmasry106
  2. Specialty average593

Most prescribed

  1. Latanoprost30 claims
  2. Brimonidine Tartrate14 claims
  3. Dorzolamide-Timolol14 claims
  4. Xiidra11 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: $55.83

2 payments, mostly food and beverage; the largest payer was Abiomed. The 779 providers of this specialty with any payment received $6,902.96 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mohamed Elmasry$55.83
  2. Specialty average$6,902.96

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

One hospital or facility affiliation

  1. University OF Pittsburgh PhysiciansPittsburgh, PA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Retina Specialist (Ophthalmology) Physician providers in Massachusetts

There are 36 retina specialist (ophthalmology) physician records in Massachusetts.

Other retina specialist (ophthalmology) physician records in Massachusetts

  1. Omar Abdelal, MDBoston, MA1497241962
  2. Brian Ballios, MD, PHDBoston, MA1447869839
  3. Fina Barouch, MDPeabody, MA1386628501
  4. Mark Barsamian, DOHopedale, MA1821204207
  5. Lauren Bierman, M.D.Boston, MA1861888539
  6. Gregory Blaha, MD, PHDPeabody, MA1902998776
  7. Elite Bor-Shavit, MDLancaster, MA1104303858
  8. Jeffrey Chang, M.D.Burlington, MA1154456226
  9. Xuejing ChenTaunton, MA1033484159
  10. Mark Dacey, M.D.East Weymouth, MA1184613192

Common questions

What is Mohamed Elmasry, MD, PHD's NPI number?

Mohamed Elmasry, MD, PHD's National Provider Identifier (NPI) is 1982126769, issued on Jul 12, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mohamed Elmasry, MD, PHD located?

The NPPES record lists a practice address at 1 Joslin PL, Boston, MA, 02215. Phone: (617) 309-2586. Providers update this record themselves, so call before visiting.

How can I verify Mohamed Elmasry, MD, PHD's license?

NPPES lists Massachusetts license number 283784, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mohamed Elmasry, MD, PHD prescribe under Medicare Part D?

In 2024, Mohamed Elmasry, MD, PHD had 106 Medicare Part D claims for 29 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 593. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.