NPPES file of Aug 9, 2026

Diane Sullivan, COTA/L

Occupational Therapy Assistant · South Dennis, MA

Diane Sullivan, COTA/L is an occupational therapy assistant with a practice address in South Dennis, Massachusetts, and NPI 1851972897, issued on Apr 20, 2021. Check the license (Massachusetts 4326, 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
1851972897
Name
Diane Sullivan
Credential
COTA/L
Primary taxonomy
Occupational Therapy Assistant 224Z00000X
License numbers
4326 MA
000873 CT
Self-reported in NPPES; status is on the state search
Practice location
1 Love LN, South Dennis, MA 02660
Phone
(508) 385-6034
Enumerated
Apr 20, 2021
Record last updated
Apr 20, 2021 (not updated in 5 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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8 nearest occupational therapy assistant records → All 741 in Massachusetts → Look up another NPI →

Also registered at 1 Love LN

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

  1. Megan Gaudet, OTR/LOccupational Therapist1720560428
  2. Barbara HetheringtonPhysical Therapist1740765197
  3. Jennifer Kienstra, DPTPhysical Therapist1972098846
  4. Donna Riddar, OTR/LOccupational Therapist1679858815
  5. Tessa Wisniewski, DPTPhysical Therapist1114573359

Verify Diane Sullivan 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 4326    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

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Diane Sullivan among 741 occupational therapy assistant records in Massachusetts

Diane Sullivan, COTA/L is one of 741 occupational therapy assistant records with a practice address in Massachusetts. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 83% of them.

  • NPI issued2021 · 83% of these records are older, 13% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 85% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 224Z00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 occupational therapy assistant record lists a practice address in South Dennis

They are 1 of the 76 NPPES records with a practice address in South Dennis, and 741 occupational therapy assistant records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 741 in Massachusetts → Every provider in South Dennis → Occupational Therapy Assistant nationwide →

The 8 occupational therapy assistant records with the nearest ZIP codes

  1. Varna RameauSouth Yarmouth, MA 026641538752381
  2. Cecily Remy, COTAS Yarmouth, MA 026641356466544
  3. Laura Strong, COTASouth Yarmouth, MA 026641679698161
  4. Ariana Swanstrom, COTA/LSouth Yarmouth, MA 026641730638065
  5. Kristen Works, COTA/LSouth Yarmouth, MA 026641215123245
  6. Jason Ruttan, COTAOrleans, MA 026531992120539
  7. Hudson BieleckiWest Yarmouth, MA 026731619692175
  8. Jenna Gordon, COTA/LYarmouth, MA 026731700122702

Common questions

What is Diane Sullivan, COTA/L's NPI number?

Diane Sullivan, COTA/L's National Provider Identifier (NPI) is 1851972897, issued on Apr 20, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Diane Sullivan, COTA/L located?

The NPPES record lists a practice address at 1 Love LN, South Dennis, MA, 02660. Phone: (508) 385-6034. Providers update this record themselves, so call before visiting.

How can I verify Diane Sullivan, COTA/L's license?

NPPES lists Massachusetts license number 4326, 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.