NPPES file of Aug 9, 2026

Mohamed Mahmoud, M.D.

Gastroenterology Physician · Worcester, MA

Mohamed Mahmoud, M.D. is a gastroenterology physician with a practice address in Worcester, Massachusetts, and NPI 1962701326, issued on Mar 23, 2011. Check the license (Massachusetts 263869, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962701326
Name
Mohamed Mahmoud
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
263869 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Lake Ave N, Worcester, MA 01655
Phone
(508) 856-2846
Enumerated
Mar 23, 2011
Record last updated
Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(508) 856-3981
Medicare enrollment
Enrolled (PECOS I20210706003609); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →

Also registered at 55 Lake Ave N

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

  1. Nawal Aamir, MDInternal Medicine Physician1588248926
  2. Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
  3. Paula Abate, NPNurse Practitioner1336265909
  4. Aly AbayazeedDiagnostic Radiology Physician1821221946
  5. Zainab AbbasDermatology Physician1609028000
  6. Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417

Verify Mohamed Mahmoud 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 263869    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

45% more Medicare Part D claims than the average gastroenterology physician in 2024

1,180 Medicare Part D claims for 480 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Mohamed Mahmoud1,180
  2. Specialty average811

Most prescribed

  1. Omeprazole183 claims
  2. Pantoprazole Sodium155 claims
  3. Peg 3350-Electrolyte139 claims
  4. Famotidine112 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf69 claims
  6. Metoclopramide Hcl40 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: $796.67

35 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mohamed Mahmoud$796.67
  2. Specialty average$5,015.95

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

Bills Medicare through 2 group practices

  1. Digestive And Liver Disease Consultants, PAHouston, TX
  2. Houston Regional Gastroenterology Institute PLLCHumble, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mohamed Mahmoud among 686 gastroenterology physician records in Massachusetts

Mohamed Mahmoud, M.D. is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 71% of them.

  • NPI issued2011 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2005 · median 2004 among the 491 with a school on file
  • Record last updated2020 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Massachusetts

There are 686 gastroenterology physician records in Massachusetts.

All 686 in Massachusetts → Every provider in Worcester → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Graham Barnard, M.D.Worcester, MA 016551942284369
  2. Curtis Barry, MDWorcester, MA 016551326068479
  3. Anjali Basil, M.D.Worcester, MA 016551316993983
  4. Kanishka Bhattacharya, M.D.Worcester, MA 016551457333510
  5. David Cave, M.D.Worcester, MA 016551003898578
  6. Mitchell Gitkind, M.D.Worcester, MA 016551073596540
  7. Jean Marie Houghton, M.D. PHD.Worcester, MA 016551477536399
  8. Benjamin Hyatt, M.D.Worcester, MA 016551477518678

Common questions

What is Mohamed Mahmoud, M.D.'s NPI number?

Mohamed Mahmoud, M.D.'s National Provider Identifier (NPI) is 1962701326, issued on Mar 23, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mohamed Mahmoud, M.D. located?

The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 856-2846. Providers update this record themselves, so call before visiting.

How can I verify Mohamed Mahmoud, M.D.'s license?

NPPES lists Massachusetts license number 263869, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mohamed Mahmoud, M.D. prescribe under Medicare Part D?

In 2024, Mohamed Mahmoud, M.D. had 1,180 Medicare Part D claims for 480 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.