NPPES file of Aug 9, 2026

Daniel Joel Feirtag, M.D.

Geriatric Medicine (Internal Medicine) Physician · Silver Spring, MD

Daniel Joel Feirtag, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Silver Spring, Maryland, and NPI 1659401131, issued on Mar 6, 2007. Check the license (Maryland D0023855, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1659401131
Name
Daniel Joel Feirtag
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
D0023855 MD
Self-reported in NPPES; status is on the state search
Practice location
3110 Gracefield RD, Silver Spring, MD 20904
Phone
(301) 572-8340
Enumerated
Mar 6, 2007
Record last updated
Jul 16, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(301) 572-8403
Medicaid ID
312031700 MD
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (internal medicine) physician records → All 139 in Maryland → Look up another NPI →

Also registered at 3110 Gracefield RD

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

  1. Rachelle Alexion, MDFamily Medicine Physician1316996481
  2. Roberto Araujo, DPMPodiatrist1609805571
  3. Kenderlate Arthus, NP-BCNurse Practitioner1043980550
  4. Padmaja Bandi, MDInternal Medicine Physician1699971457
  5. Jennifer BelovichPharmacist1497222673
  6. Ekta BhutDental Hygienist1508635590

Verify Daniel Joel Feirtag in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0023855    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

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Daniel Joel Feirtag among 139 geriatric medicine (internal medicine) physician records in Maryland

Daniel Joel Feirtag, 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 not. Its NPI, issued in 2007, is newer than 62% of them.

  • NPI issued2007 · 62% of these records are older, 27% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 47% of these records are
  • Record last updated2009 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 139 in Maryland → Every provider in Silver Spring → Geriatric Medicine (Internal Medicine) Physician nationwide →

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

  1. Anna Izquierdo-Porrera, M.D PHDSilver Spring, MD 209041033281910
  2. Loveen Puthumana, M.D.Silver Spring, MD 209041235175043
  3. Michael Westerman, M.D.Silver Spring, MD 209041013929181
  4. Shyamsundar Rajan, MDSilver Spring, MD 209021093730442
  5. Mitra Hashemi, MDSilver Spring, MD 209101225354905
  6. Ruth Kevess-Cohen, M.D.Silver Spring, MD 209101780688762
  7. Jeanne Asher, M.D.Kensington, MD 208951588626139
  8. Nurul Chowdhury, M.D.Kensington, MD 208951093738635

Common questions

What is Daniel Joel Feirtag, M.D.'s NPI number?

Daniel Joel Feirtag, M.D.'s National Provider Identifier (NPI) is 1659401131, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Joel Feirtag, M.D. located?

The NPPES record lists a practice address at 3110 Gracefield RD, Silver Spring, MD, 20904. Phone: (301) 572-8340. Providers update this record themselves, so call before visiting.

How can I verify Daniel Joel Feirtag, M.D.'s license?

NPPES lists Maryland license number D0023855, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.