Reezwana Chowdhury, M.D.
Gastroenterology Physician · Bethesda, MD
Reezwana Chowdhury, M.D. is a gastroenterology physician with a practice address in Bethesda, Maryland, and NPI 1316185341, issued on Jan 29, 2009. Check the license (Maryland D78438, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Reezwana Chowdhury
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- D78438 MD
MD038206 DC
BP10024965 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Rockledge Dr, Bethesda, MD 20817
- Phone
- (301) 896-6700
- Enumerated
- Jan 29, 2009
- Record last updated
- Oct 25, 2024
- Fax
- (301) 896-6850
- Medicare enrollment
- Enrolled (PECOS I20241114002968); may accept Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 6420 Rockledge Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathy Bussell, PAMedical Physician Assistant1851439731
- Barbara Chalom, P.A.-CHospitalist Physician1053391078
- Ada Graham, M.D.Colon & Rectal Surgery Physician1902291081
- Stephen Greco, M.D.Radiation Oncology Physician1659463750
- Jody Green, M.D.Neurology Physician1154431914
Verify Reezwana Chowdhury in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D78438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average gastroenterology physician in 2024
136 Medicare Part D claims for 48 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Omeprazole19 claims
- Famotidine16 claims
- Mesalamine16 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: $5,298.68
127 payments; by number, the most common kind was food and beverage; the largest payer was Celltrion USA Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Johns Hopkins UniversityBaltimore, MD
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reezwana Chowdhury among 505 gastroenterology physician records in Maryland
Reezwana Chowdhury, M.D. is one of 505 gastroenterology physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 71% of them.
- NPI issued2009 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2006 · median 2002 among the 344 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland.
All 505 in Maryland → Every provider in Bethesda → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- George Bolen, M.D.Bethesda, MD 208171093784555
- Richard Gelfand, M.D.Bethesda, MD 208171902875768
- Howard Goldberg, M.D.Bethesda, MD 208171316942089
- Peter Kaufman, M.D.Bethesda, MD 208171548229446
- Samuel Muench, M.D.Bethesda, MD 208171164871562
- Eric Pollack, M.D.Bethesda, MD 208171912966821
- Jose Serrano, MDBethesda, MD 208171578728903
- Zachary Borman, M.D.Chevy Chase, MD 208151922412436
Common questions
What is Reezwana Chowdhury, M.D.'s NPI number?
Reezwana Chowdhury, M.D.'s National Provider Identifier (NPI) is 1316185341, issued on Jan 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Reezwana Chowdhury, M.D. located?
The NPPES record lists a practice address at 6420 Rockledge Dr, Bethesda, MD, 20817. Phone: (301) 896-6700. Providers update this record themselves, so call before visiting.
How can I verify Reezwana Chowdhury, M.D.'s license?
NPPES lists Maryland license number D78438, 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 Reezwana Chowdhury, M.D. prescribe under Medicare Part D?
In 2024, Reezwana Chowdhury, M.D. had 136 Medicare Part D claims for 48 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.