NPPES file of Aug 9, 2026

Steven R. Gambert, M.D.

Geriatric Medicine (Internal Medicine) Physician · Baltimore, MD

Steven R. Gambert, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1518917095, issued on May 12, 2006. Check the license (Maryland D54005, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518917095
Name
Steven R. Gambert
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
D54005 MD
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(410) 328-5793
Enumerated
May 12, 2006
Record last updated
Jul 12, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(410) 328-0248
Medicaid ID
970502300 MD
Medicare enrollment
Enrolled (PECOS I20090724000031); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1975
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 22 S Greene St

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

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117

Verify Steven R. Gambert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D54005
    Check 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
Open 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.

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Bills Medicare through one group practice

  1. University OF Maryland Physicians PABaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven R. Gambert among 139 geriatric medicine (internal medicine) physician records in Maryland

Steven R. Gambert, M.D. is one of 139 geriatric medicine (internal medicine) physician records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 38% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1975 · median 1997 among the 66 with a school on file
  • Record last updated2011 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Maryland

There are 139 geriatric medicine (internal medicine) physician records in Maryland.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Barbara Akin, MDBaltimore, MD 212011063474815
  2. Brock Beamer, M.D.Baltimore, MD 212011710942693
  3. Jacob Blumenthal, M.D.Baltimore, MD 212011497715049
  4. Perry Colvin, M.D.Baltimore, MD 212011649376906
  5. Mark Heuser, M.D.Baltimore, MD 212011134375637
  6. Dima Hnoosh, M.D.Baltimore, MD 212011215390661
  7. Leslie Katzel, M.D.Baltimore, MD 212011730143314
  8. Cathy Larrain, M.D.Baltimore, MD 212011790074896

Common questions

What is Steven R. Gambert, M.D.'s NPI number?

Steven R. Gambert, M.D.'s National Provider Identifier (NPI) is 1518917095, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven R. Gambert, M.D. located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-5793. Providers update this record themselves, so call before visiting.

How can I verify Steven R. Gambert, M.D.'s license?

NPPES lists Maryland license number D54005, 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.

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.