Barry Michael Rubin, M.D.
Gastroenterology Physician · Silver Spring, MD
Barry Michael Rubin, M.D. is a gastroenterology physician with a practice address in Silver Spring, Maryland, and NPI 1770580607, issued on Jul 7, 2005. Check the license (Maryland D0047499, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Barry Michael Rubin
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- D0047499 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10801 Lockwood Dr, Silver Spring, MD 20901
- Phone
- (301) 593-2002
- Enumerated
- Jul 7, 2005
- Record last updated
- Jul 6, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (301) 593-4781
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 10801 Lockwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Broth, M.DMaternal & Fetal Medicine Physician1508854555
- James Butler, M.D.Gastroenterology Physician1295849222
- Franz Byars, N.P.Nurse Practitioner1477555795
Verify Barry Michael Rubin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0047499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gastroenterology physician in 2024
29 Medicare Part D claims for 16 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Barry Michael Rubin among 505 gastroenterology physician records in Maryland
Barry Michael Rubin, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2016 · 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 Silver Spring → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ruben Acosta, M.D.Silver Spring, MD 209011376545962
- James Butler, M.D.Silver Spring, MD 209011295849222
- Alan Diamond, M.D.Silver Spring, MD 209011457464851
- Nissrin Ezmerli, MDSilver Spring, MD 209011588804165
- Robert Finkel, MDSilver Spring, MD 209011780769364
- Joseph Genovese, M.D.Silver Spring, MD 209011114039286
- Stephen Humm, MDSilver Spring, MD 209011134256597
- Milton Koch, M.D.Silver Spring, MD 209011275510257
Common questions
What is Barry Michael Rubin, M.D.'s NPI number?
Barry Michael Rubin, M.D.'s National Provider Identifier (NPI) is 1770580607, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Barry Michael Rubin, M.D. located?
The NPPES record lists a practice address at 10801 Lockwood Dr, Silver Spring, MD, 20901. Phone: (301) 593-2002. Providers update this record themselves, so call before visiting.
How can I verify Barry Michael Rubin, M.D.'s license?
NPPES lists Maryland license number D0047499, 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 Barry Michael Rubin, M.D. prescribe under Medicare Part D?
In 2024, Barry Michael Rubin, M.D. had 29 Medicare Part D claims for 16 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.