NPPES file of Aug 9, 2026

Katelyn Mary Elizabeth Williams, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Buzzards Bay, MA

Katelyn Mary Elizabeth Williams, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Buzzards Bay, Massachusetts, and NPI 1326754573, issued on Jan 30, 2023. Check the license (Massachusetts RN2359144, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326754573
Name
Katelyn Mary Elizabeth Williams
Credential
PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
RN2359144 MA
087798-21 NH
Self-reported in NPPES; status is on the state search
Practice location
2 Nokomis RD, Buzzards Bay, MA 02532
Phone
(603) 703-5363
Enumerated
Jan 30, 2023
Record last updated
Oct 17, 2023
Medicare enrollment
Enrolled (PECOS I20230927001509); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Katelyn Mary Elizabeth Williams 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 RN2359144
    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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46% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

491 Medicare Part D claims for 54 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Katelyn Williams491
  2. Specialty average906

Most prescribed

  1. Quetiapine Fumarate74 claims
  2. Venlafaxine Hcl Er34 claims
  3. Trazodone Hcl32 claims
  4. Olanzapine31 claims
  5. Hydroxyzine Pamoate25 claims
  6. Gabapentin23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. High Point Treatment Center IncPlymouth, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katelyn Mary Elizabeth Williams among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts

Katelyn Mary Elizabeth Williams, PMHNP is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 67% of them.

  • NPI issued2023 · 67% of these records are older, 24% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2023 · median 2021 among the 1,309 with a school on file
  • Record last updated2023 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 psychiatric/mental health nurse practitioner records list a practice address in Buzzards Bay

They are 7 of the 126 NPPES records with a practice address in Buzzards Bay, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Kathleen Byrne, NPBuzzards Bay, MA 025321306155759
  2. Jessica Carlin, RN, CPNP, PMHNPBuzzards Bay, MA 025321316071533
  3. Joleen Connolly, PMHNP-BCBuzzards Bay, MA 025321538868559
  4. Kathleen Heffernan, APNBourne, MA 025321548870710
  5. Kathleen Hood, NURSE PRACTITIONERBuzzards Bay, MA 025321619688819
  6. Alison Jessup, FNP-C, PMHNP-BCBourne, MA 025321285161059
  7. Pamela MatthewsBourne, MA 025321558852301
  8. Matthew Moeller, PMHNPBuzzards Bay, MA 025321508592080

Common questions

What is Katelyn Mary Elizabeth Williams, PMHNP's NPI number?

Katelyn Mary Elizabeth Williams, PMHNP's National Provider Identifier (NPI) is 1326754573, issued on Jan 30, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Katelyn Mary Elizabeth Williams, PMHNP located?

The NPPES record lists a practice address at 2 Nokomis RD, Buzzards Bay, MA, 02532. Phone: (603) 703-5363. Providers update this record themselves, so call before visiting.

How can I verify Katelyn Mary Elizabeth Williams, PMHNP's license?

NPPES lists Massachusetts license number RN2359144, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Katelyn Mary Elizabeth Williams, PMHNP prescribe under Medicare Part D?

In 2024, Katelyn Mary Elizabeth Williams, PMHNP had 491 Medicare Part D claims for 54 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.