WILLIAM THORNTON (PMHNP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1225842065

WILLIAM THORNTON (PMHNP) is a healthcare provider. based in Amherst, Massachusetts. specializing in NURSE PRACTITIONER. They hold the professional credentials PMHNP. They hold a License No. RN2352821 (MA). The NPI Number for WILLIAM THORNTON (PMHNP) is 1225842065

Main info

Male
Sole Proprietor
3 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM THORNTON (PMHNP)
NPI
1225842065
Phone
(413) 549-8400
Address
17 RESEARCH DR
Enumeration Date
3 February 2025
Last Update Date
26 August 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4135498400
Graduation Year
2023 (3 years ago)
PAC ID
6002312949
Group Practice PAC ID
6002851458
Professional Enrollment ID
I20250930004214
Address ID
MA010022788AM17XXXDRXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience31
Completeness85
Years active:1State licenses:1Digital endpointsOther names

8,971 NURSE PRACTITIONER in MA

Provider Addresses for WILLIAM THORNTON (PMHNP)

  • 17 RESEARCH DR

    AMHERST, MA 010022788

    Phone: (413) 549-8400

    Fax: (413) 549-8409

    Type: Mailing

  • 165 HUDSON ST APT 1

    SOMERVILLE, MA 021442631

    Phone: (610) 291-1489

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-09-30

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20250930004214INurse PractitionerMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01002)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6002851458View full group profile
NameSpecialtyState
C H I R O P R A C T I CMA
Nurse PractitionerMA
Family PracticeMA
Family Practice, Addiction MedicineMA
Nurse PractitionerMA

Reviews

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Frequently asked questions

What number should I use to identify WILLIAM THORNTON (PMHNP) for billing?
Administrative and clinical systems typically use NPI 1225842065 for WILLIAM THORNTON (PMHNP).
Quick check: is WILLIAM THORNTON (PMHNP) active?
Public NPPES data shows WILLIAM THORNTON (PMHNP) with an active NPI status right now.
How should patients interpret WILLIAM THORNTON (PMHNP)'s specialty?
The extract shows Psychiatric/Mental Health Nurse Practitioner for WILLIAM THORNTON (PMHNP). Clinical services aligned with this taxonomy classification.
What city is tied to WILLIAM THORNTON (PMHNP)?
The directory associates WILLIAM THORNTON (PMHNP) with Amherst, Massachusetts. Check all listed addresses for suites or satellite offices.
Can I export WILLIAM THORNTON (PMHNP)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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