Registry data as of Aug 27, 2026

Margaret Barsam, M.D.

Pediatrics Physician · Cambridge, MA

Margaret Barsam, M.D. is a pediatrics physician with a practice address in Cambridge, Massachusetts, and NPI 1598747412, issued on Nov 16, 2005. Check the license (Massachusetts 221397, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598747412
Name
Margaret Barsam
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
221397 MA
Self-reported in NPPES; status is on the state search
Practice location
1611 Cambridge St, Cambridge, MA 02138
Phone
(617) 661-5500
Enumerated
Nov 16, 2005
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 1611 Cambridge St

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

  1. Irina Angel, MDPsychiatry Physician1023058419
  2. Robert Atkind, MDInternal Medicine Physician1831236405
  3. Melissa Bergman, MDPediatrics Physician1467618033
  4. Aaron BirnbaumStudent in an Organized Health Care Education/Training Program1023645249
  5. Alan Brush, M.D.Internal Medicine Physician1043281942
  6. Leann Canty, M.D.Internal Medicine Physician1205807781

Verify Margaret Barsam 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 221397
    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.

57 pediatrics physician records list a Cambridge practice address

They are 57 of the 5,145 NPPES records with a Cambridge practice address, and 3,067 pediatrics physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in Massachusetts

  1. Marissa AaronBoston, MA1538687827
  2. Ralph Aarons, MDBrighton, MA1407841570
  3. Mary-Alice Abbott, MDWorcester, MA1982799417
  4. Ebla Abd AlrahmanWorcester, MA1255966743
  5. James Abel, M.D.Pelham, MA1255521381
  6. Aileen Abesamis, MDBrockton, MA1619056546
  7. Nora Abo-Sido, MDBoston, MA1215425111
  8. Claire Abraham, MDBoston, MA1942731161
  9. Shari Abramowitz, M.D.Boston, MA1558346593
  10. Aya Abu-El-Haija, MDBoston, MA1821337791

Common questions

What is Margaret Barsam, M.D.'s NPI number?

Margaret Barsam, M.D.'s National Provider Identifier (NPI) is 1598747412, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Barsam, M.D. located?

The NPPES record lists a practice address at 1611 Cambridge St, Cambridge, MA, 02138. Phone: (617) 661-5500. Providers update this record themselves, so call before visiting.

How can I verify Margaret Barsam, M.D.'s license?

NPPES lists Massachusetts license number 221397, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.