NPPES file of Aug 9, 2026

Tayseer Haroun, M.D

Rheumatology Physician · Washington, DC

Tayseer Haroun, M.D is a rheumatology physician with a practice address in Washington, District of Columbia, and NPI 1457618191, issued on Apr 19, 2012. Check the license (District of Columbia MD500002621, 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
1457618191
Name
Tayseer Haroun
Credential
M.D
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
MD500002621 DC
0101267292 VA
Self-reported in NPPES; status is on the state search
Practice location
2041 Georgia Ave NW Ste 2300, Washington, DC 20060
Phone
(202) 865-6741
Enumerated
Apr 19, 2012
Record last updated
Feb 8, 2024
Medicare enrollment
Enrolled (PECOS I20191016000484); 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 Tayseer Haroun 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 MD500002621
    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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90% fewer Medicare Part D claims than the average rheumatology physician in 2024

191 Medicare Part D claims for 56 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Tayseer Haroun191
  2. Specialty average1,978

Most prescribed

  1. Hydroxychloroquine Sulfate48 claims
  2. Methotrexate23 claims
  3. Allopurinol15 claims
  4. Otezla14 claims
  5. Prednisone12 claims
  6. Taltz Autoinjector11 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: $271.48

6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tayseer Haroun$271.48
  2. Specialty average$8,538.33

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. Howard UniversityWashington, DC

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

Tayseer Haroun among 57 rheumatology physician records in District of Columbia

Tayseer Haroun, M.D is one of 57 rheumatology physician records with a practice address in District of Columbia. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 77% of them.

  • NPI issued2012 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1999 · median 2006 among the 29 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in District of Columbia

There are 57 rheumatology physician records in District of Columbia.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Sharon Dowell, MBBSWashington, DC 200601225214463
  2. Tahereh Jamshidi, MDWashington, DC 200601225201916
  3. Gelareh Atefi, MDWashington, DC 200371700190956
  4. Saira Bilal, M.D.Washington, DC 200371770899627
  5. Colleen Caldwell, M.D.Washington, DC 200371437682275
  6. Rodolfo Curiel, MDWashington, DC 200371982663878
  7. James Katz, M.D.Washington, DC 200371013086214
  8. Joseph Laukaitis, M.D.Washington, DC 200371083726210

Common questions

What is Tayseer Haroun, M.D's NPI number?

Tayseer Haroun, M.D's National Provider Identifier (NPI) is 1457618191, issued on Apr 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Tayseer Haroun, M.D located?

The NPPES record lists a practice address at 2041 Georgia Ave NW Ste 2300, Washington, DC, 20060. Phone: (202) 865-6741. Providers update this record themselves, so call before visiting.

How can I verify Tayseer Haroun, M.D's license?

NPPES lists District of Columbia license number MD500002621, 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 Tayseer Haroun, M.D prescribe under Medicare Part D?

In 2024, Tayseer Haroun, M.D had 191 Medicare Part D claims for 56 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.