Raza Abbas Hasan, M.D.
Gastroenterology Physician · Annapolis, MD
Raza Abbas Hasan, M.D. is a gastroenterology physician with a practice address in Annapolis, Maryland, and NPI 1639519887, issued on Jul 2, 2013. Check the license (Maryland D0089228, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Raza Abbas Hasan
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- D0089228 MD
Self-reported in NPPES; status is on the state search - Practice location
- 820 Bestgate RD Ste 2A, Annapolis, MD 21401
- Phone
- (410) 224-2116
- Enumerated
- Jul 2, 2013
- Record last updated
- Jun 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (410) 224-2118
- Medicare enrollment
- Enrolled (PECOS I20200714003776); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 820 Bestgate RD Ste 2A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Makeda BerhaneFamily Nurse Practitioner1730834722
- David JencksGastroenterology Physician1700175635
- Anneke LangenhovenPrimary Care Nurse Practitioner1033682711
- Tracy Turner, NPAdult Medicine Physician1770057721
Verify Raza Abbas Hasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0089228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average gastroenterology physician in 2024
933 Medicare Part D claims for 270 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Famotidine221 claims
- Pantoprazole Sodium204 claims
- Omeprazole56 claims
- Dicyclomine Hcl36 claims
- Linzess30 claims
- Dexlansoprazole Dr28 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: $1,443.90
67 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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 one group practice
- Anne Arundel Gastroenterology Associates, P.A.Bowie, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raza Abbas Hasan among 505 gastroenterology physician records in Maryland
Raza Abbas Hasan, 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 2013, is newer than 81% of them.
- NPI issued2013 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2014 · median 2002 among the 344 with a school on file
- Record last updated2020 · 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 Annapolis → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- James Blake, M.D.Annapolis, MD 214011033149539
- Anthony Calabrese, M.D.Annapolis, MD 214011437181401
- Douglas Dykman, M.D.Annapolis, MD 214011942232939
- Michael Epstein, M.D.Annapolis, MD 214011942238928
- Mark Flasar, M.D.Annapolis, MD 214011326079278
- Melanie Jackson, M.D.Annapolis, MD 214011598797417
- Charles King, M.D.Annapolis, MD 214011558399436
- Vishnupriya Krishna, MDAnnapolis, MD 214011902822299
Common questions
What is Raza Abbas Hasan, M.D.'s NPI number?
Raza Abbas Hasan, M.D.'s National Provider Identifier (NPI) is 1639519887, issued on Jul 2, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Raza Abbas Hasan, M.D. located?
The NPPES record lists a practice address at 820 Bestgate RD Ste 2A, Annapolis, MD, 21401. Phone: (410) 224-2116. Providers update this record themselves, so call before visiting.
How can I verify Raza Abbas Hasan, M.D.'s license?
NPPES lists Maryland license number D0089228, 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 Raza Abbas Hasan, M.D. prescribe under Medicare Part D?
In 2024, Raza Abbas Hasan, M.D. had 933 Medicare Part D claims for 270 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.