NPPES file of Aug 9, 2026

Hussam Mohamed Ammar, M.D.

Hospitalist Physician · Washington, DC

Hussam Mohamed Ammar, M.D. is a hospitalist physician with a practice address in Washington, District of Columbia, and NPI 1780712273, issued on Feb 28, 2007. Check the license (District of Columbia MD044745, as entered in NPPES) on the District of Columbia Board of 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
1780712273
Name
Hussam Mohamed Ammar
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
MD044745 DC
N8268 TX
Self-reported in NPPES; status is on the state search
Practice location
110 Irving St NW, Washington, DC 20010
Phone
(202) 877-0028
Enumerated
Feb 28, 2007
Record last updated
Mar 3, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
281111903 TX
Medicare enrollment
Enrolled (PECOS I20230526000582); 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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Also registered at 110 Irving St NW

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

  1. Margarita Abbey, NPNurse Practitioner1841245487
  2. Lauren Abbott, M.D.Emergency Medicine Physician1356576383
  3. Taha Abdalla, MDNeonatal-Perinatal Medicine Physician1225016587
  4. Mouin Abdallah, MDCardiovascular Disease Physician1063498780
  5. Waseem Abdallah, M.D.Psychiatry Physician1265961452
  6. Samer Abdel Al, MDOrthopaedic Surgery Physician1558778548

Verify Hussam Mohamed Ammar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD044745
    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 District of Columbia license search

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31% fewer Medicare Part D claims than the average hospitalist physician in 2024

360 Medicare Part D claims for 48 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Hussam Ammar360
  2. Specialty average521

Most prescribed

  1. Amlodipine Besylate40 claims
  2. Rosuvastatin Calcium23 claims
  3. Atorvastatin Calcium12 claims
  4. Furosemide12 claims
  5. Lisinopril12 claims
  6. Tamsulosin Hcl11 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: $19.11

1 payment: food and beverage; the largest payer was Pfizer Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hussam Ammar$19.11
  2. Specialty average$494.84

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. Tallahassee Memorial Healthcare IncTallahassee, FL

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

Hospitalist Physician providers in District of Columbia

There are 116 hospitalist physician records in District of Columbia.

Other hospitalist physician records in District of Columbia

  1. Hanuja Agnihotram, MDWashington, DC1386086601
  2. Pedro Alcedo Andrade, MDWashington, DC1770013211
  3. Ehson Aligholizadeh, MDWashington, DC1538745989
  4. Philip Angwenyi, M.DWashington, DC1760876874
  5. Melanie Anspacher, MDWashington, DC1053405068
  6. Cherinne Arundel, M.D.Washington, DC1972770196
  7. Rediet Atalay, MDWashington, DC1699462267
  8. Seemal AwanWashington, DC1558715359
  9. Tarek Bakain, M.B.B.SWashington, DC1558939843
  10. Aseem Balhara, M.D.Washington, DC1811374713

Common questions

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

Hussam Mohamed Ammar, M.D.'s National Provider Identifier (NPI) is 1780712273, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Hussam Mohamed Ammar, M.D. located?

The NPPES record lists a practice address at 110 Irving St NW, Washington, DC, 20010. Phone: (202) 877-0028. Providers update this record themselves, so call before visiting.

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

NPPES lists District of Columbia license number MD044745, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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

In 2024, Hussam Mohamed Ammar, M.D. had 360 Medicare Part D claims for 48 beneficiaries; the average among hospitalist physician prescribers was 521. 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.