NPPES file of Aug 9, 2026

Martha J. Duffy, M.D.

Family Medicine Physician · Boston, MA

Martha J. Duffy, M.D. is a family medicine physician with a practice address in Boston, Massachusetts, and NPI 1821417379, issued on Apr 14, 2014. Check the license (Massachusetts 273726, 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
1821417379
Name
Martha J. Duffy
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
273726 MA
Self-reported in NPPES; status is on the state search
Practice location
150 S Huntington Ave, Boston, MA 02130
Phone
(617) 971-7955
Enumerated
Apr 14, 2014
Record last updated
Jun 8, 2023
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 family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →

Also registered at 150 S Huntington Ave

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

  1. Deepa Acharya, PH.D.Clinical Psychologist1861728628
  2. Ikechukwu Achonye, PHARMDAmbulatory Care Pharmacist1720877194
  3. Brittini Allain, PHARM.DPharmacist1285035758
  4. Geraldine Allen, TECHNICIAN/OTHEROther Technician1265670541
  5. Nancy Allen, R.N.Neuroscience Clinical Nurse Specialist1861542458
  6. Elizabeth Alpert, PH.D.Clinical Psychologist1801584768

Verify Martha J. Duffy 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 273726    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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Martha J. Duffy among 2,265 family medicine physician records in Massachusetts

Martha J. Duffy, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% 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 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 27% newer
  • In a Medicare fileNo · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Massachusetts

There are 2,265 family medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,265 in Massachusetts → Every provider in Boston → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Thomas Fantes, MDBoston, MA 021301972500429
  2. Lewis Gergoudis, MDJamaica Plain, MA 021301356839518
  3. Vijay Hegde, M.D.Jamaica Plain, MA 021301740207331
  4. Barsam Kasravi, MDJamaica Plain, MA 021301881791838
  5. Maureen Layden, M.D.Boston, MA 021301689881807
  6. Daniel Melville, MDJamaica Plain, MA 021301346241569
  7. Joseph Rafferty, MDBoston, MA 021301669459723
  8. Laura Reis, MDJamaica Plain, MA 021301811267131

Common questions

What is Martha J. Duffy, M.D.'s NPI number?

Martha J. Duffy, M.D.'s National Provider Identifier (NPI) is 1821417379, issued on Apr 14, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Martha J. Duffy, M.D. located?

The NPPES record lists a practice address at 150 S Huntington Ave, Boston, MA, 02130. Phone: (617) 971-7955. Providers update this record themselves, so call before visiting.

How can I verify Martha J. Duffy, M.D.'s license?

NPPES lists Massachusetts license number 273726, 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.