NPPES file of Aug 9, 2026

Wesam Hassen Moustafa Hussein, M.D.

Internal Medicine Physician · Herndon, VA

Wesam Hassen Moustafa Hussein, M.D. is an internal medicine physician with a practice address in Herndon, Virginia, and NPI 1043539919, issued on May 18, 2010. Check the license (Virginia 0101250764, as entered in NPPES) on the Virginia Department of Health Professions; 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
1043539919
Name
Wesam Hassen Moustafa Hussein
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
0101250764 VA
D88893 MD
MD039045 DC
MD440869 PA
Self-reported in NPPES; status is on the state search
Practice location
13326 Horsepen Woods Lane, Herndon, VA 20171
Phone
(609) 335-6595
Enumerated
May 18, 2010
Record last updated
Aug 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20121108000449); 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 Wesam Hassen Moustafa Hussein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101250764
    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 Virginia license search

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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,739 Medicare Part D claims for 358 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 148 claims were for opioids.

  1. Wesam Moustafa Hussein7,739
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium390 claims
  2. Eliquis266 claims
  3. Amlodipine Besylate219 claims
  4. Furosemide205 claims
  5. Pantoprazole Sodium197 claims
  6. Levetiracetam193 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.

Bills Medicare through 2 group practices

  1. Alliance Medical GroupWoodbridge, VA
  2. M Medical Group, Inc.Virginia Beach, VA

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

Wesam Hassen Moustafa Hussein among 3,599 internal medicine physician records in Virginia

Wesam Hassen Moustafa Hussein, M.D. is one of 3,599 internal medicine physician records with a practice address in Virginia. 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 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 35% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1998 · median 2003 among the 2,234 with a school on file
  • Record last updated2021 · 53% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Virginia

There are 3,599 internal medicine physician records in Virginia.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ravi Iyer, M.D.Herndon, VA 201711467425876
  2. Shalini Kaneriya, MDHerndon, VA 201711699833400
  3. Ira Marathe, M.D.Herndon, VA 201711861585374
  4. Barbara Whayne, M.D.Oak Hill, VA 201711275868937
  5. Phetpailin Amaralikit, MDHerndon, VA 201701730356619
  6. Glen Tomkins, MDHerndon, VA 201701366722126
  7. Han Tonthat, MDHerndon, VA 201701801897335
  8. Syed Ishaq, MDLeesburg, VA 201751588697668

Common questions

What is Wesam Hassen Moustafa Hussein, M.D.'s NPI number?

Wesam Hassen Moustafa Hussein, M.D.'s National Provider Identifier (NPI) is 1043539919, issued on May 18, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Wesam Hassen Moustafa Hussein, M.D. located?

The NPPES record lists a practice address at 13326 Horsepen Woods Lane, Herndon, VA, 20171. Phone: (609) 335-6595. Providers update this record themselves, so call before visiting.

How can I verify Wesam Hassen Moustafa Hussein, M.D.'s license?

NPPES lists Virginia license number 0101250764, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Wesam Hassen Moustafa Hussein, M.D. prescribe under Medicare Part D?

In 2024, Wesam Hassen Moustafa Hussein, M.D. had 7,739 Medicare Part D claims for 358 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.