NPPES file of Aug 9, 2026

Catherine Marie Nelson, M.D.

Geriatric Medicine (Internal Medicine) Physician · Boston, MA

Catherine Marie Nelson, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1881706364, issued on Aug 31, 2006. Check the license (Massachusetts 41162, 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
1881706364
Name
Catherine Marie Nelson
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
41162 MA
Self-reported in NPPES; status is on the state search
Practice location
150 S Huntington Ave, Boston, MA 02130
Phone
(857) 364-6339
Enumerated
Aug 31, 2006
Record last updated
Jul 11, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(857) 364-4544
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 225 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 Catherine Marie Nelson 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 41162    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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Catherine Marie Nelson among 225 geriatric medicine (internal medicine) physician records in Massachusetts

Catherine Marie Nelson, M.D. is one of 225 geriatric medicine (internal medicine) physician records with a practice address in Massachusetts. 71% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 44% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2007 · 63% 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 Massachusetts 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 Massachusetts

There are 225 geriatric medicine (internal medicine) physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 225 in Massachusetts → Every provider in Boston → Geriatric Medicine (Internal Medicine) Physician nationwide →

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

  1. Catherine Dawson, MDBoston, MA 021301033591532
  2. Clark DumontierBoston, MA 021301356760938
  3. Peter Engel, M.D.Boston, MA 021301801845037
  4. Daniella Floru, MDJamaica Plain, MA 021301598745630
  5. Andrea Schwartz, MD MPHBoston, MA 021301558655621
  6. Pantel Vokonas, MDBoston, MA 021301891890018
  7. Sarah Berry, MDBoston, MA 021311639179781
  8. Helen Chen, MDBoston, MA 021311356301386

Common questions

What is Catherine Marie Nelson, M.D.'s NPI number?

Catherine Marie Nelson, M.D.'s National Provider Identifier (NPI) is 1881706364, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Marie Nelson, M.D. located?

The NPPES record lists a practice address at 150 S Huntington Ave, Boston, MA, 02130. Phone: (857) 364-6339. Providers update this record themselves, so call before visiting.

How can I verify Catherine Marie Nelson, M.D.'s license?

NPPES lists Massachusetts license number 41162, 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.