NPPES file of Aug 9, 2026

Homayoon Mahjoob, M.D.

Gastroenterology Physician · Glenn Dale, MD

Homayoon Mahjoob, M.D. is a gastroenterology physician with a practice address in Glenn Dale, Maryland, and NPI 1740494178, issued on May 8, 2007. Check the license on the Maryland Board of Physicians; 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
1740494178
Name
Homayoon Mahjoob
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
236692 MA
C1-0028553 DE
EMC0005932 MI
Self-reported in NPPES; status is on the state search
Practice location
12150 Annapolis RD Ste 312, Glenn Dale, MD 20769
Phone
(301) 352-7771
Enumerated
May 8, 2007
Record last updated
Oct 9, 2025
Medicare enrollment
Enrolled (PECOS I20070914000510); accepts Medicare assignment
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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Verify Homayoon Mahjoob in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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 Maryland license search

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85% fewer Medicare Part D claims than the average gastroenterology physician in 2024

121 Medicare Part D claims for 57 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Homayoon Mahjoob121
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium41 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf35 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: $178.55

3 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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. Homayoon Mahjoob$178.55
  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. Ascension Medical Group PromedKalamazoo, MI
  2. Beebe Physician Network Inc.Lewes, DE

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

Homayoon Mahjoob among 505 gastroenterology physician records in Maryland

Homayoon Mahjoob, M.D. is one of 505 gastroenterology physician records with a practice address in Maryland. 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 54% of them.

  • NPI issued2007 · 54% of these records are older, 36% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1991 · median 2002 among the 344 with a school on file
  • Record last updated2025 · 61% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Maryland

There are 505 gastroenterology physician records in Maryland.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Suzan Ebrahimi, MDGreenbelt, MD 207701194083899
  2. Acquanetta Frazier, M.D.Greenbelt, MD 207701043380140
  3. Raja Mohi-Ud-Din, M.D.Greenbelt, MD 207701992887335
  4. Radman Mostaghim, M.D.Greenbelt, MD 207701720022023
  5. Sushil Rattan, MDGreenbelt, MD 207701467427120
  6. Mushtaq Shah, M.D.Greenbelt, MD 207701043396633
  7. Folabomi Ajanaku, M.D.Upper Marlboro, MD 207741851719777
  8. Jemilat Badamas, M.DLargo, MD 207741427292093

Common questions

What is Homayoon Mahjoob, M.D.'s NPI number?

Homayoon Mahjoob, M.D.'s National Provider Identifier (NPI) is 1740494178, issued on May 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Homayoon Mahjoob, M.D. located?

The NPPES record lists a practice address at 12150 Annapolis RD Ste 312, Glenn Dale, MD, 20769. Phone: (301) 352-7771. Providers update this record themselves, so call before visiting.

How can I verify Homayoon Mahjoob, M.D.'s license?

Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Homayoon Mahjoob, M.D. prescribe under Medicare Part D?

In 2024, Homayoon Mahjoob, M.D. had 121 Medicare Part D claims for 57 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.

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.