NPPES file of Aug 9, 2026

David Marchant Eldridge, MD

Internal Medicine Physician · Concord, MA

David Marchant Eldridge, MD is an internal medicine physician with a practice address in Concord, Massachusetts, and NPI 1386622967, issued on Jan 4, 2006. Check the license (Massachusetts 55992, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1386622967
Name
David Marchant Eldridge
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
55992 MA
Self-reported in NPPES; status is on the state search
Practice location
John Cuming Bldg, Concord, MA 01742
Phone
(978) 371-7091
Enumerated
Jan 4, 2006
Record last updated
Apr 29, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(978) 371-2662
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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Verify David Marchant Eldridge in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 55992
    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 Massachusetts license search

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David Marchant Eldridge among 6,825 internal medicine physician records in Massachusetts

David Marchant Eldridge, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2008 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

44 internal medicine physician records list a practice address in Concord

They are 44 of the 1,078 NPPES records with a practice address in Concord, and 6,825 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul D'Ambrosio, M.D.Concord, MA 017421033194048
  2. Eric Hatton, MDConcord, MA 017421841287281
  3. Peter Hoenig, M.DConcord, MA 017421801855531
  4. Sandeep Jain, M.D.Concord, MA 017421417915562
  5. Thomas Kaegi, M.D.Concord, MA 017421578552121
  6. Barbara Peters, D.O.Concord, MA 017421609834563
  7. Betty Pomerleau, M.D.Concord, MA 017421811972821
  8. Marguerite Roach, M.D.Concord, MA 017421124087853

Common questions

What is David Marchant Eldridge, MD's NPI number?

David Marchant Eldridge, MD's National Provider Identifier (NPI) is 1386622967, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Marchant Eldridge, MD located?

The NPPES record lists a practice address at John Cuming Bldg, Concord, MA, 01742. Phone: (978) 371-7091. Providers update this record themselves, so call before visiting.

How can I verify David Marchant Eldridge, MD's license?

NPPES lists Massachusetts license number 55992, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. 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.