Registry data as of Aug 27, 2026

Stephen Brimer, MD

Rheumatology Physician · Boston, MA

Stephen Brimer, MD is a rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1861046252, issued on Jul 24, 2019. 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
1861046252
Name
Stephen Brimer
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
Practice location
800 Washington St, Boston, MA 02111
Phone
(617) 636-5000
Enumerated
Jul 24, 2019
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 800 Washington St

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

  1. Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
  2. Omer Abbak, PHARMDPharmacist1114500337
  3. Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
  4. Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
  5. Ahmad AboalfarajSurgery Physician1538517651
  6. Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250

Verify Stephen Brimer 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.

71% fewer Medicare Part D claims than the average rheumatology physician in 2024

599 Medicare Part D claims for 131 beneficiaries, against an average of 2,058 among the 4,833 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Stephen Brimer599
  2. Specialty average2,058

Most prescribed

  1. Methotrexate102 claims
  2. Prednisone83 claims
  3. Actemra Actpen44 claims
  4. Humira(Cf) Pen29 claims
  5. Enbrel Sureclick28 claims
  6. Celecoxib23 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.

One hospital or facility affiliation

  1. Pratt Medical Group IncBoston, MA

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.

Rheumatology Physician providers in Massachusetts

There are 262 rheumatology physician records in Massachusetts.

Other rheumatology physician records in Massachusetts

  1. Maria Abruzzo, M.D.Gardner, MA1215036132
  2. Munir Ahmad, M.D.Palmer, MA1124126602
  3. Syed Ahmed, M.D.Boston, MA1407829948
  4. Ghousia Alikhan, M.D.Holyoke, MA1801275383
  5. Antonios Aliprantis, M.D.Chestnut Hill, MA1598723090
  6. Juliann AllenHolyoke, MA1356835318
  7. Laura Amorese-O'Connell, MDAttleboro, MA1518278290
  8. Paul Anderson, M.D., PH.D.Boston, MA1235127432
  9. Ronald Anderson, MDBoston, MA1154388478
  10. Senada Arabelovic, DOPlymouth, MA1053340950

Common questions

What is Stephen Brimer, MD's NPI number?

Stephen Brimer, MD's National Provider Identifier (NPI) is 1861046252, issued on Jul 24, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Brimer, MD located?

The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.

How can I verify Stephen Brimer, 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 Stephen Brimer, MD prescribe under Medicare Part D?

In 2024, Stephen Brimer, MD had 599 Medicare Part D claims for 131 beneficiaries; the average among rheumatology physician prescribers was 2,058. 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.