NPPES file of Aug 9, 2026

David R. Fields, M.D.

Internal Medicine Physician · Worcester, MA

David R. Fields, M.D. is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1538142815, issued on Nov 21, 2005. Check the license (Massachusetts 59347, 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
1538142815
Name
David R. Fields
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
59347 MA
Self-reported in NPPES; status is on the state search
Practice location
1369 Grafton St, Worcester, MA 01604
Phone
(508) 373-7400
Enumerated
Nov 21, 2005
Record last updated
Oct 4, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
2059690 MA
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 internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →

Also registered at 1369 Grafton St

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

  1. Danah ClaytonClinical Social Worker1841124633
  2. Nicole Desabrais, LICSWClinical Social Worker1417431156
  3. Leticia FloresClinical Social Worker1003354440
  4. Christopher Gianfriddo, OTR/LOccupational Therapist1053843920
  5. Petra Kajla, M.D.Internal Medicine Physician1144203126
  6. Patricia Lazarek, LICSWClinical Social Worker1487135661

Verify David R. Fields 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 59347    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

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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David R. Fields among 6,825 internal medicine physician records in Massachusetts

David R. Fields, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2011 · 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).

448 internal medicine physician records list a practice address in Worcester

They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6,825 in Massachusetts → Every provider in Worcester → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Qingning Bian, MDWorcester, MA 016041982019261
  2. Lei Jiang, M.D.Worcester, MA 016041760439277
  3. Petra Kajla, M.D.Worcester, MA 016041144203126
  4. Radhika Koneru, M.D.Worcester, MA 016041902061195
  5. Mohammed Mohammed, M.DWorcester, MA 016041437461092
  6. Poorna Narayan, M.D.Worcester, MA 016041730399098
  7. Masooma Rehmtulla, MDWorcester, MA 016041194012203
  8. Brinda Sanjay, MDWorcester, MA 016041508826991

Common questions

What is David R. Fields, M.D.'s NPI number?

David R. Fields, M.D.'s National Provider Identifier (NPI) is 1538142815, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David R. Fields, M.D. located?

The NPPES record lists a practice address at 1369 Grafton St, Worcester, MA, 01604. Phone: (508) 373-7400. Providers update this record themselves, so call before visiting.

How can I verify David R. Fields, M.D.'s license?

NPPES lists Massachusetts license number 59347, 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.

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.