NPPES file of Aug 9, 2026

Katherine Ellis Fenwick Mair, ATC

Athletic Trainer · Boston, MA

Katherine Ellis Fenwick Mair, ATC is an athletic trainer with a practice address in Boston, Massachusetts, and NPI 1598192130, issued on Sep 27, 2013. Check the license (Massachusetts 2476, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598192130
Name
Katherine Ellis Fenwick Mair
Credential
ATC
Primary taxonomy
Athletic Trainer 2255A2300X
License numbers
2476 MA
RT004668 PA
Self-reported in NPPES; status is on the state search
Practice location
285 Babcock St, Boston, MA 02215
Phone
(617) 353-2746
Enumerated
Sep 27, 2013
Record last updated
Sep 27, 2013 (not updated in 13 years: call before relying on the address or phone)
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 285 Babcock St

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

  1. Josh Beard, ATCAthletic Trainer1982793097
  2. Anthony BerardoAthletic Trainer1134706500
  3. Alexandra Blenis, ATC, LATAthletic Trainer1902154347
  4. Aaron Blum, MS, ATC, LATAthletic Trainer1578674198
  5. Marcy Buselli, ATC, LATAthletic Trainer1588776769
  6. John Cortes, M.S., A.T.C.Athletic Trainer1164755377

Verify Katherine Ellis Fenwick Mair in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 2476    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
Find 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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Athletic Trainer providers in Massachusetts

There are 1,067 athletic trainer records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,067 in Massachusetts → Every provider in Boston →

Other athletic trainer records in Massachusetts

  1. Andrew Abraham, ATCAmherst, MA1487181822
  2. Dave AbrahamHolden, MA1548805252
  3. Edwin AguilarBrighton, MA1689138034
  4. Jamie Albrecht, MA, LAT, ATCMedford, MA1528523933
  5. Payne Alexander, ATCDudley, MA1952898470
  6. Madeline AllaireSalem, MA1619491826
  7. Danielle AllardAgawam, MA1447661137
  8. Evan AllenFoxboro, MA1922405299
  9. Abdulrahman AlmosalamiBrighton, MA1568297596
  10. Deven Alves, ATCBoston, MA1639832637

Common questions

What is Katherine Ellis Fenwick Mair, ATC's NPI number?

Katherine Ellis Fenwick Mair, ATC's National Provider Identifier (NPI) is 1598192130, issued on Sep 27, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Ellis Fenwick Mair, ATC located?

The NPPES record lists a practice address at 285 Babcock St, Boston, MA, 02215. Phone: (617) 353-2746. Providers update this record themselves, so call before visiting.

How can I verify Katherine Ellis Fenwick Mair, ATC's license?

NPPES lists Massachusetts license number 2476, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.