Richard M. Chasen, M.D.
Gastroenterology Physician · Laurel, MD
Richard M. Chasen, M.D. is a gastroenterology physician with a practice address in Laurel, Maryland, and NPI 1790780351, issued on Jun 20, 2005. Check the license (Maryland D0022862, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Richard M. Chasen
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- D0022862 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7350 Van Dusen RD, Laurel, MD 20707
- Phone
- (301) 498-5500
- Enumerated
- Jun 20, 2005
- Record last updated
- Feb 3, 2026
- Fax
- (301) 498-7346
- Medicaid ID
- 558421300 MD
- Medicare enrollment
- Enrolled (PECOS I20081206000073); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 1977
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 7350 Van Dusen RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Esther AlumbaPharmacist1275290819
- Mitchell Barber, DPMFoot Surgery Podiatrist1003916164
- Jeffrey Bernstein, M.D.Gastroenterology Physician1861497422
- Priti Bijpuria, M.D.Gastroenterology Physician1306010236
- Michael Carlos, MDCardiovascular Disease Physician1760473110
- Emerson Chang, PA-CMedical Physician Assistant1710127741
Verify Richard M. Chasen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0022862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average gastroenterology physician in 2024
547 Medicare Part D claims for 157 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Famotidine110 claims
- Pantoprazole Sodium89 claims
- Esomeprazole Magnesium52 claims
- Omeprazole48 claims
- Mesalamine39 claims
- Linzess22 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: $684.70
37 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
- Capital Digestive Care LLCRockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland.
Other gastroenterology physician records in Maryland
- Mohammad Abdallah, MBBSLa Plata, MD1598251282
- Maaza Abdi, M.D.Baltimore, MD1063625028
- Tsion Abdi, MDBaltimore, MD1881919637
- Hamza Abdulla, M.D.Easton, MD1437599529
- Thomas Abernathy, M.D.Catonsville, MD1538105697
- Fasika Aberra, M.D.Prince Frederick, MD1134480858
- Ruben Acosta, M.D.Silver Spring, MD1376545962
- Michael Adams, DOBethesda, MD1548757834
- Oluwasayo Adeyemo, MD/MPHAbingdon, MD1205221777
- Abdulhosein Adham, M.D.Oxon Hill, MD1710933791
Common questions
What is Richard M. Chasen, M.D.'s NPI number?
Richard M. Chasen, M.D.'s National Provider Identifier (NPI) is 1790780351, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard M. Chasen, M.D. located?
The NPPES record lists a practice address at 7350 Van Dusen RD, Laurel, MD, 20707. Phone: (301) 498-5500. Providers update this record themselves, so call before visiting.
How can I verify Richard M. Chasen, M.D.'s license?
NPPES lists Maryland license number D0022862, 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 Richard M. Chasen, M.D. prescribe under Medicare Part D?
In 2024, Richard M. Chasen, M.D. had 547 Medicare Part D claims for 157 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.