NPPES file of Aug 9, 2026

Leen Dabbas, M.D.

Student in an Organized Health Care Education/Training Program · Bethesda, MD

Leen Dabbas, M.D. is a student in an organized health care education/training program with a practice address in Bethesda, Maryland, and NPI 1538806468, issued on May 12, 2022. Check the license with the Maryland board that licenses this profession; 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
1538806468
Name
Leen Dabbas
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
10 Center Dr RM 12C103, Bethesda, MD 20892
Phone
(301) 273-4138
Enumerated
May 12, 2022
Record last updated
Jul 24, 2025
Fax
(202) 877-8288
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 10 Center Dr RM 12C103

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

  1. Camila Odio, M.D.Infectious Disease Physician1295182277

Verify Leen Dabbas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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
Find 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.

2.4 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024

448 Medicare Part D claims for 71 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Leen Dabbas448
  2. Specialty average185

Most prescribed

  1. Atorvastatin Calcium30 claims
  2. Amlodipine Besylate26 claims
  3. Losartan Potassium25 claims
  4. Hydrochlorothiazide21 claims
  5. Albuterol Sulfate Hfa18 claims
  6. Levothyroxine Sodium15 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.

Leen Dabbas among 5,632 student in an organized health care education/training program records in Maryland

Leen Dabbas, M.D. is one of 5,632 student in an organized health care education/training program records with a practice address in Maryland. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 30% of them.

  • NPI issued2022 · 30% of these records are older, 62% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2025 · 24% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

381 student in an organized health care education/training program records list a practice address in Bethesda

They are 381 of the 7,245 NPPES records with a practice address in Bethesda, and 5,632 student in an organized health care education/training program records in Maryland.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Brian Dizon, MD/PHDBethesda, MD 208921194068338
  2. Arunima Ghosh, MDBethesda, MD 208921124374517
  3. Luca Giurgea, MDBethesda, MD 208921649680067
  4. Cliona Grant, M.D.Bethesda, MD 208921467782250
  5. Rekha JhamnaniBethesda, MD 208921043576838
  6. Metin Kurtoglu, M.D., PH.D.Bethesda, MD 208921033424601
  7. Qing Yan Liu, M.D.Bethesda, MD 208921083931786
  8. Ana Nunes, M.D.,PH.D.Bethesda, MD 208921407116601

Common questions

What is Leen Dabbas, M.D.'s NPI number?

Leen Dabbas, M.D.'s National Provider Identifier (NPI) is 1538806468, issued on May 12, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Leen Dabbas, M.D. located?

The NPPES record lists a practice address at 10 Center Dr RM 12C103, Bethesda, MD, 20892. Phone: (301) 273-4138. Providers update this record themselves, so call before visiting.

How can I verify Leen Dabbas, M.D.'s license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Leen Dabbas, M.D. prescribe under Medicare Part D?

In 2024, Leen Dabbas, M.D. had 448 Medicare Part D claims for 71 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.