Registry data as of Aug 27, 2026

Stefan Boas, MD

Emergency Medicine Physician · Palmer, MA

Stefan Boas, MD is an emergency medicine physician with a practice address in Palmer, Massachusetts, and NPI 1114620358, issued on Mar 27, 2023. Check the license (Massachusetts 1026107, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1114620358
Name
Stefan Boas
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
1026107 MA
Self-reported in NPPES; status is on the state search
Practice location
40 Wright St, Palmer, MA 01069
Phone
(413) 284-5308
Enumerated
Mar 27, 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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Also registered at 40 Wright St

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

  1. Khaled Abdelkader, MDInternal Medicine Physician1902838451
  2. Munir Ahmad, M.D.Rheumatology Physician1124126602
  3. Jeffrey Allard, MDDiagnostic Radiology Physician1902825862
  4. Evan Altman, DOFamily Medicine Physician1760750855
  5. Marie Armentano, M.D.Psychiatry Physician1245278514
  6. Kyrsten BeliniStudent in an Organized Health Care Education/Training Program1750838579

Verify Stefan Boas 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 1026107
    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.

93% fewer Medicare Part D claims than the average emergency medicine physician in 2024

26 Medicare Part D claims for 17 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Stefan Boas26
  2. Specialty average355

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.

16 emergency medicine physician records list a Palmer practice address

They are 16 of the 246 NPPES records with a Palmer practice address, and 1,763 emergency medicine physician records in Massachusetts.

Other emergency medicine physician records in Massachusetts

  1. Emily Aaronson, M.D.Boston, MA1962791558
  2. Sharif Abdel Jalil, PHARM. D., MDWorcester, MA1649795758
  3. Menahem Abraham, M.D.Beverly, MA1720113889
  4. Aser AbrhaBoston, MA1568102796
  5. Jorge Acevedo Herman, MDWorcester, MA1447955000
  6. Matthew Adamo, DOFalmouth, MA1912446972
  7. Austin AdamsBoston, MA1861139388
  8. Sapana Adhikari, M.D.Boston, MA1902870694
  9. Jamie Adler, MDBoston, MA1659765790
  10. Jonathan Adler, MDBoston, MA1609851500

Common questions

What is Stefan Boas, MD's NPI number?

Stefan Boas, MD's National Provider Identifier (NPI) is 1114620358, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Stefan Boas, MD located?

The NPPES record lists a practice address at 40 Wright St, Palmer, MA, 01069. Phone: (413) 284-5308. Providers update this record themselves, so call before visiting.

How can I verify Stefan Boas, MD's license?

NPPES lists Massachusetts license number 1026107, as entered by the provider. 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 Stefan Boas, MD prescribe under Medicare Part D?

In 2024, Stefan Boas, MD had 26 Medicare Part D claims for 17 beneficiaries; the average among emergency medicine physician prescribers was 355. 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.