NPPES file of Aug 9, 2026

Richard A. Brown, M.D.

Rheumatology Physician · Greenfield, MA

Richard A. Brown, M.D. is a rheumatology physician with a practice address in Greenfield, Massachusetts, and NPI 1689657231, issued on Nov 28, 2005. Check the license (Massachusetts 48143, 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
1689657231
Name
Richard A. Brown
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
48143 MA
Self-reported in NPPES; status is on the state search
Practice location
329 Conway St, Greenfield, MA 01301
Phone
(413) 774-6301
Enumerated
Nov 28, 2005
Record last updated
Mar 21, 2024
Fax
(866) 644-0871
Medicaid ID
3138411 MA
Medicare enrollment
Enrolled (PECOS I20050613001261); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1979
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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Also registered at 329 Conway St

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

  1. Mark Allen, M.D.Family Medicine Physician1285633198
  2. John Anderson, ED.D.Clinical Psychologist1871678136
  3. Lisa Appleton, NPNurse Practitioner1831219609
  4. Marie Bartlett, MSWClinical Social Worker1790815306
  5. Barbara Berthiaume, APRNFamily Nurse Practitioner1053736629
  6. Jessica Biggie, MDFamily Medicine Physician1689649584

Verify Richard A. Brown 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 48143
    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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79% fewer Medicare Part D claims than the average rheumatology physician in 2024

413 Medicare Part D claims for 72 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 29 claims were for opioids.

  1. Richard Brown413
  2. Specialty average1,978

Most prescribed

  1. Tizanidine Hcl49 claims
  2. Cyclobenzaprine Hcl44 claims
  3. Prednisone44 claims
  4. Pregabalin44 claims
  5. Tramadol Hcl29 claims
  6. Gabapentin23 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. Valley Medical Group PCGreenfield, MA

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

Richard A. Brown among 343 rheumatology physician records in Massachusetts

Richard A. Brown, M.D. is one of 343 rheumatology physician records with a practice address in Massachusetts. 73% 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 · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1979 · median 2004 among the 212 with a school on file
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Massachusetts

There are 343 rheumatology physician records in Massachusetts.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Daniel Sheff, MDConway, MA 013411851366165
  2. Robert Cella, MDPittsfield, MA 012011477507481
  3. Lauren Dudley, MDPittsfield, MA 012011508028291
  4. Maria Abruzzo, M.D.Gardner, MA 014401215036132
  5. Dorothy Christiansen, MDGroton, MA 014501558348953
  6. Thomas Goodman, MDGroton, MA 014501194702555
  7. Alice Williams, MDLeominster, MA 014531184670861
  8. Richard Chou, MDSpringfield, MA 011071811915911

Common questions

What is Richard A. Brown, M.D.'s NPI number?

Richard A. Brown, M.D.'s National Provider Identifier (NPI) is 1689657231, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Richard A. Brown, M.D. located?

The NPPES record lists a practice address at 329 Conway St, Greenfield, MA, 01301. Phone: (413) 774-6301. Providers update this record themselves, so call before visiting.

How can I verify Richard A. Brown, M.D.'s license?

NPPES lists Massachusetts license number 48143, 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 Richard A. Brown, M.D. prescribe under Medicare Part D?

In 2024, Richard A. Brown, M.D. had 413 Medicare Part D claims for 72 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.

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.