William Thornton, PMHNP
NPI 1225842065 · Psychiatric/Mental Health Nurse Practitioner · Somerville, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Thornton, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Somerville, MA (NPI 1225842065).
Provider details
- NPI number
- 1225842065
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- RN2352821 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-02-03
- Last updated
- 2025-08-26
- Certified
- 2025-08-26
Frequently asked questions
- What is William Thornton's NPI number?
- William Thornton's National Provider Identifier (NPI) is 1225842065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Thornton's specialty?
- William Thornton is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Thornton located?
- William Thornton's practice location on file with NPPES is 165 Hudson St Apt 1, Somerville, MA 02144-2631.
- What is William Thornton's phone number?
- The practice phone number listed in the NPPES registry for William Thornton is (610) 291-1489.
- Does William Thornton accept Medicare?
- William Thornton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Thornton's NPI active?
- Yes — William Thornton's NPI (1225842065) is active in the NPPES registry as of the last update on 2025-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.