Registry data as of Aug 27, 2026

Thomas Bowman, MD

Internal Medicine Physician · Boston, MA

Thomas Bowman, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1255398624, issued on Apr 28, 2006. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1255398624
Name
Thomas Bowman
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
1620 Tremont St, Boston, MA 02120
Phone
(617) 525-7631
Enumerated
Apr 28, 2006
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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Also registered at 1620 Tremont St

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

  1. Elizabeth BlaeserHealth & Wellness Coach1528997525
  2. Samuel Finlayson, MD, MPHSurgery Physician1275552424
  3. Joseph Frolkis, M.D.Internal Medicine Physician1336234186
  4. Maryam Jessri, D.D.S, PH.DDentist1194183434
  5. Lenny Lopez, MD MDIVInternal Medicine Physician1184637399
  6. Laura Mauri, MD MSC FACCInterventional Cardiology Physician1619934924

Verify Thomas Bowman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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.

98% fewer Medicare Part D claims than the average internal medicine physician in 2024

52 Medicare Part D claims for 29 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Thomas Bowman52
  2. Specialty average2,785

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.

One hospital or facility affiliation

  1. Nantucket Cottage HospitalNantucket, MA · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

3,060 internal medicine physician records list a Boston practice address

They are 3,060 of the 41,865 NPPES records with a Boston practice address, and 7,865 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Zainab AbbasWorcester, MA1609028000
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Lauren Abbate, MDBoston, MA1922099621
  5. Bassima Abdallah, MDBoston, MA1912327305
  6. Samah Abdallah, MDBrighton, MA1730814971
  7. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  8. Salah Abdelgadir, MDBoston, MA1891280954
  9. Mahmoud Abdelghany, M.D.Springfield, MA1134479629
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Thomas Bowman, MD's NPI number?

Thomas Bowman, MD's National Provider Identifier (NPI) is 1255398624, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Bowman, MD located?

The NPPES record lists a practice address at 1620 Tremont St, Boston, MA, 02120. Phone: (617) 525-7631. Providers update this record themselves, so call before visiting.

How can I verify Thomas Bowman, MD's license?

Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Bowman, MD prescribe under Medicare Part D?

In 2024, Thomas Bowman, MD had 52 Medicare Part D claims for 29 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.