Registry data as of Aug 27, 2026

Kerry Bak, OTR/L

Occupational Therapist · Chelmsford, MA

Kerry Bak, OTR/L is an occupational therapist with a practice address in Chelmsford, Massachusetts, and NPI 1891986139, issued on Aug 1, 2007. Check the license (Massachusetts 8614, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1891986139
Name
Kerry Bak
Credential
OTR/L
Primary taxonomy
Occupational Therapist 225X00000X
License number
8614 MA
Self-reported in NPPES; status is on the state search
Practice location
37 Glen Ave Unit 4, Chelmsford, MA 01824
Phone
(978) 250-3232
Enumerated
Aug 1, 2007
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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Verify Kerry Bak 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 8614
    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.

18 occupational therapist records list a Chelmsford practice address

They are 18 of the 937 NPPES records with a Chelmsford practice address, and 3,525 occupational therapist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other occupational therapist records in Massachusetts

  1. Bianna Abamelik, OTR/LWaltham, MA1225825227
  2. Krysten AbboudNewton, MA1841073467
  3. Kristen Abel, OTRLowell, MA1508115015
  4. Amanda AbrahamWellesley, MA1578719035
  5. Dalia AbrahamMethuen, MA1760167522
  6. Elizabeth Abril, OTR/LBrockton, MA1174963003
  7. Janet Ackerman, OTSomerville, MA1689246423
  8. Marjory AckermanFlorence, MA1942618236
  9. Lisa Adams, MS, OTR/LHingham, MA1942809462
  10. Laurie Adelstein, OTRWestborough, MA1295887693

Common questions

What is Kerry Bak, OTR/L's NPI number?

Kerry Bak, OTR/L's National Provider Identifier (NPI) is 1891986139, issued on Aug 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kerry Bak, OTR/L located?

The NPPES record lists a practice address at 37 Glen Ave Unit 4, Chelmsford, MA, 01824. Phone: (978) 250-3232. Providers update this record themselves, so call before visiting.

How can I verify Kerry Bak, OTR/L's license?

NPPES lists Massachusetts license number 8614, 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), 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.