NPPES file of Aug 9, 2026

Mamoon Al-Afun, MD

Internal Medicine Physician · Upper Marlboro, MD

Mamoon Al-Afun, MD is an internal medicine physician with a practice address in Upper Marlboro, Maryland, and NPI 1710561238, issued on May 11, 2021. Check the license (Maryland D0100551, as entered in NPPES) 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
1710561238
Name
Mamoon Al-Afun
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
D0100551 MD
0101282010 VA
Self-reported in NPPES; status is on the state search
Practice location
901 North Harry S. Truman Drive, Upper Marlboro, MD 20774
Phone
(301) 618-2000
Enumerated
May 11, 2021
Record last updated
Jun 11, 2024
Medicare enrollment
Enrolled (PECOS I20240925003678); 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.
Download card Updates feed

Verify Mamoon Al-Afun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0100551
    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 Maryland 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.

95% fewer Medicare Part D claims than the average internal medicine physician in 2024

161 Medicare Part D claims for 84 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Mamoon Al-Afun161
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium11 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: $489.72

5 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mamoon Al-Afun$489.72
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Medstar Medical Group II LLCWashington, DC

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

Mamoon Al-Afun among 3,904 internal medicine physician records in Maryland

Mamoon Al-Afun, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2011 · median 2003 among the 2,445 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 internal medicine physician records list a practice address in Upper Marlboro

They are 14 of the 1,638 NPPES records with a practice address in Upper Marlboro, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Cielito Aguinaldo, MDLargo, MD 207741063585347
  2. Elizabeth Biru, MDLargo, MD 207741457342230
  3. Doreen Blake, M.D.Largo, MD 207741043209331
  4. George Bone, MDLargo, MD 207741528028297
  5. Anita Clayton, MDLargo, MD 207741598838872
  6. Olumide Coker, M.D.Largo, MD 207741235171885
  7. Glen Jacob, MDLargo, MD 207741780757062
  8. Ejaz Khan, MDUpper Marlboro, MD 207741669416160

Common questions

What is Mamoon Al-Afun, MD's NPI number?

Mamoon Al-Afun, MD's National Provider Identifier (NPI) is 1710561238, issued on May 11, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mamoon Al-Afun, MD located?

The NPPES record lists a practice address at 901 North Harry S. Truman Drive, Upper Marlboro, MD, 20774. Phone: (301) 618-2000. Providers update this record themselves, so call before visiting.

How can I verify Mamoon Al-Afun, MD's license?

NPPES lists Maryland license number D0100551, as entered by the provider. 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 Mamoon Al-Afun, MD prescribe under Medicare Part D?

In 2024, Mamoon Al-Afun, MD had 161 Medicare Part D claims for 84 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.