NPPES file of Aug 9, 2026

Stephen R. Walsh, MDCM

Infectious Disease Physician · Boston, MA

Stephen R. Walsh, MDCM is an infectious disease physician with a practice address in Boston, Massachusetts, and NPI 1407828098, issued on Feb 7, 2006. Check the license (Massachusetts 205960, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407828098
Name
Stephen R. Walsh
Credential
MDCM
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
205960 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St, Boston, MA 02114
Phone
(617) 726-3812
Enumerated
Feb 7, 2006
Record last updated
Apr 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(617) 726-7416
Medicaid ID
0128724 MA
Medicare enrollment
Enrolled (PECOS I20040311001340); accepts Medicare assignment
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 55 Fruit St

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

  1. Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
  2. Matthew AbadirAnesthesiology Physician1699120550
  3. Taimur AbbasiInternal Medicine Physician1841673522
  4. Megan Abbott, MDAnesthesiology Physician1730839333
  5. Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
  6. Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590

Verify Stephen R. Walsh 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 205960
    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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Bills Medicare through one group practice

  1. Brigham And Womens Physicians Organization IncBoston, MA

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

Stephen R. Walsh among 487 infectious disease physician records in Massachusetts

Stephen R. Walsh, MDCM is one of 487 infectious disease physician records with a practice address in Massachusetts. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 47% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1998 · median 2003 among the 296 with a school on file
  • Record last updated2018 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Massachusetts

There are 487 infectious disease physician records in Massachusetts.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Diana Brainard, MDBoston, MA 021141093705667
  2. Joan Butterton, MDBoston, MA 021141043200157
  3. Benjamin Davis, MDBoston, MA 021141912997537
  4. Marlene Durand, MDBoston, MA 021141598756058
  5. Jay Fishman, MDBoston, MA 021141912988106
  6. Marcia Goldberg, MDBoston, MA 021141700877834
  7. Deborah Hung, MDBoston, MA 021141629068267
  8. Sabina Islam, MDBoston, MA 021141275514390

Common questions

What is Stephen R. Walsh, MDCM's NPI number?

Stephen R. Walsh, MDCM's National Provider Identifier (NPI) is 1407828098, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen R. Walsh, MDCM located?

The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-3812. Providers update this record themselves, so call before visiting.

How can I verify Stephen R. Walsh, MDCM's license?

NPPES lists Massachusetts license number 205960, 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.

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.