Registry data as of Aug 27, 2026

Mark Ayanian, MD

Pediatrics Physician · Winchester, MA

Mark Ayanian, MD is a pediatrics physician with a practice address in Winchester, Massachusetts, and NPI 1457385544, issued on Jul 11, 2006. Check the license 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
1457385544
Name
Mark Ayanian
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
Practice location
955 Main Street, Winchester, MA 01890
Phone
(781) 729-4262
Enumerated
Jul 11, 2006
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 955 Main Street

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

  1. William Breckwoldt, M.D.Specialist1306814272
  2. Judith Smith, O.T.Occupational Therapist1891921011
  3. Michael Zaslow, M.D.Internal Medicine Physician1588662985

Verify Mark Ayanian 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.

10 pediatrics physician records list a Winchester practice address

They are 10 of the 439 NPPES records with a Winchester 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 Mark Ayanian, MD's NPI number?

Mark Ayanian, MD's National Provider Identifier (NPI) is 1457385544, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Ayanian, MD located?

The NPPES record lists a practice address at 955 Main Street, Winchester, MA, 01890. Phone: (781) 729-4262. Providers update this record themselves, so call before visiting.

How can I verify Mark Ayanian, 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.

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.