Ronald Benjamin Gartenhaus, M.D.
Medical Oncology Physician · Baltimore, MD
Ronald Benjamin Gartenhaus, M.D. is a medical oncology physician with a practice address in Baltimore, Maryland, and NPI 1376583864, issued on Jun 7, 2006. Check the license (Maryland D62351, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald Benjamin Gartenhaus
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- D62351 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-2567
- Enumerated
- Jun 7, 2006
- Record last updated
- Mar 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 328-6559
- Medicaid IDs
- 037569800 DC
406206000 MD - Entity
- Type 1 · individual
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald Benjamin Gartenhaus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D62351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Medical Oncology Physician providers in Maryland
There are 224 medical oncology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other medical oncology physician records in Maryland
- Jeffrey Abrams, M.DClarksville, MD1598035248
- Richard Ambinder, M.D.Baltimore, MD1528022407
- Amir Ameri, MDBaltimore, MD1164089843
- Valsamo Anagnostou, MD-PHDBaltimore, MD1821314030
- Christina Annunziata, M.D., PH.D.Bethesda, MD1093084139
- Mary Armanios, M.D.Baltimore, MD1588628390
- Deborah Armstrong, M.D.Lutherville, MD1437113255
- Kekule AsgariSilver Spring, MD1568927911
- Nilofer Azad, MDBaltimore, MD1568635712
- Ashraf Badros, M.D.Baltimore, MD1821038241
Common questions
What is Ronald Benjamin Gartenhaus, M.D.'s NPI number?
Ronald Benjamin Gartenhaus, M.D.'s National Provider Identifier (NPI) is 1376583864, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Benjamin Gartenhaus, M.D. located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-2567. Providers update this record themselves, so call before visiting.
How can I verify Ronald Benjamin Gartenhaus, M.D.'s license?
NPPES lists Maryland license number D62351, 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. 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.