NPPES file of Aug 9, 2026

Seth A. Tobolsky, MD

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Seth A. Tobolsky, MD is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1831629088, issued on Jun 19, 2017. Check the license (Massachusetts 1018302, 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
1831629088
Name
Seth A. Tobolsky
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
1018302 MA
272601 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
Jun 19, 2017
Record last updated
Jun 24, 2024
Fax
(617) 638-7449
Medicare enrollment
Enrolled (PECOS I20240702004041); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 2017
Telehealth
Offers telehealth (CMS)
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. Aya Abou El Nasr El Bassatne, M.D.Endocrinology, Diabetes & Metabolism Physician1922674134
  2. Aysegul Bulut, MDEndocrinology, Diabetes & Metabolism Physician1609437441
  3. Victoria Coffey-Bercu, FNPFamily Nurse Practitioner1558792267
  4. Angela Gonzalez, NPFamily Nurse Practitioner1376141606
  5. Stacy Handler, MDEndocrinology, Diabetes & Metabolism Physician1831712751
  6. Lidiya KukovaStudent in an Organized Health Care Education/Training Program1962152801

Verify Seth A. Tobolsky 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 1018302    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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93% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

187 Medicare Part D claims for 40 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Seth Tobolsky187
  2. Specialty average2,630

Most prescribed

  1. Jardiance30 claims
  2. Levothyroxine Sodium25 claims
  3. Fenofibrate13 claims
  4. Dexamethasone11 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 2 group practices

  1. Evans Medical Foundation IncBoston, MA
  2. Internal Medical Associates-EbnhcEast Boston, MA

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

Seth A. Tobolsky among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Seth A. Tobolsky, MD 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 2017, is newer than 88% of them.

  • NPI issued2017 · 88% of these records are older, 10% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2017 · median 2002 among the 378 with a school on file
  • Record last updated2024 · 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. Alan Farwell, M.D.Boston, MA 021181699758151
  5. Michael Holick, M.D.Boston, MA 021181346226206
  6. Philip Knapp, MDBoston, MA 021181407819444
  7. Stephanie Lee, M.D., PH.D.Boston, MA 021181851378665
  8. Jennifer Lee, M.D.Boston, MA 021181457398653

Common questions

What is Seth A. Tobolsky, MD's NPI number?

Seth A. Tobolsky, MD's National Provider Identifier (NPI) is 1831629088, issued on Jun 19, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Seth A. Tobolsky, MD 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 Seth A. Tobolsky, MD's license?

NPPES lists Massachusetts license number 1018302, 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 Seth A. Tobolsky, MD prescribe under Medicare Part D?

In 2024, Seth A. Tobolsky, MD had 187 Medicare Part D claims for 40 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.