NPPES file of Aug 9, 2026

Alan P. Farwell, M.D.

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Alan P. Farwell, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1699758151, issued on Nov 29, 2005. Check the license (Massachusetts 58977, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699758151
Name
Alan P. Farwell
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
58977 MA
Self-reported in NPPES; status is on the state search
Practice location
732 Harrison Ave, FL 2, Boston, MA 02118
Phone
(617) 638-7470
Enumerated
Nov 29, 2005
Record last updated
Dec 19, 2023
Fax
(617) 638-7449
Medicaid IDs
110048364A MA
3120095 NH
Medicare enrollment
Enrolled (PECOS I20050405000513); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 1984
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →

Also registered at 732 Harrison Ave, FL 2

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

  1. Sara Alexanian, MDEndocrinology, Diabetes & Metabolism Physician1609834837
  2. Asem Ali, MD / MBBSEndocrinology, Diabetes & Metabolism Physician1013025220
  3. Sonia Ananthakrishnan, M.D.Endocrinology, Diabetes & Metabolism Physician1912026543
  4. Mirian Barrientos, NP, MSN, MPHGerontology Nurse Practitioner1063964245
  5. Kristen Dimauro, NPFamily Nurse Practitioner1902397631
  6. Susana Ebner, M.D.Endocrinology, Diabetes & Metabolism Physician1053330332

Verify Alan P. Farwell 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 58977    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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70% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

779 Medicare Part D claims for 179 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Alan Farwell779
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium414 claims
  2. Synthroid88 claims
  3. Methimazole62 claims
  4. Cinacalcet Hcl19 claims
  5. Vitamin D217 claims
  6. Testosterone Cypionate16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Evans Medical Foundation IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alan P. Farwell among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Alan P. Farwell, M.D. is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1984 · median 2002 among the 378 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

All 522 in Massachusetts → Every provider in Boston → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Sara Alexanian, MDBoston, MA 021181609834837
  2. Beth Cohen, M.D.Boston, MA 021181457385122
  3. Susana Ebner, M.D.Boston, MA 021181053330332
  4. Michael Holick, M.D.Boston, MA 021181346226206
  5. Philip Knapp, MDBoston, MA 021181407819444
  6. Stephanie Lee, M.D., PH.D.Boston, MA 021181851378665
  7. Jennifer Lee, M.D.Boston, MA 021181457398653
  8. Alan Malabanan, M.D.Boston, MA 021181912984659

Common questions

What is Alan P. Farwell, M.D.'s NPI number?

Alan P. Farwell, M.D.'s National Provider Identifier (NPI) is 1699758151, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alan P. Farwell, M.D. located?

The NPPES record lists a practice address at 732 Harrison Ave, FL 2, Boston, MA, 02118. Phone: (617) 638-7470. Providers update this record themselves, so call before visiting.

How can I verify Alan P. Farwell, M.D.'s license?

NPPES lists Massachusetts license number 58977, 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.

How much does Alan P. Farwell, M.D. prescribe under Medicare Part D?

In 2024, Alan P. Farwell, M.D. had 779 Medicare Part D claims for 179 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.