WILLIAM JOSEPH THATCHER NP
NPI 1154945376
Nurse Practitioner - Psychiatric/Mental Health in Hanover, PA

Q: What is William Thatcher's NPI number?

The NPI number for William Thatcher is 1154945376. It was assigned to this individual provider in the NPPES registry on June 3, 2020.

Q: What is William Thatcher's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for William Thatcher was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 03, 2020

200 BAUGHER DR, HANOVER, PA 17331(814) 538-9645 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 14, 2026, Jul 22, 2020, Jun 3, 2020 (3 updates tracked since 2020).

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About William Joseph Thatcher Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM JOSEPH THATCHER NP (NPI 1154945376) is an individual psychiatric/mental health provider in Hanover, Pennsylvania, licensed in Pennsylvania (SP022244) and active in the NPI registry since June 2020.

NPPES Registry Identity

NPI1154945376

Entity TypeIndividualMale

Primary Taxonomy363LP0808X

Provider Legal NameWILLIAM JOSEPH THATCHERCredential: NP

Location Address200 BAUGHER DRHanover, PA 17331-4006

Mailing Address200 Baugher DrHanover, PA 17331-4006 · (814) 538-9645

Phone(814) 538-9645

Sole ProprietorYes

Enumeration DateJune 3, 2020

Last NPPES UpdateMay 14, 20263 updates tracked since enumeration

NPPES CertifiedMay 14, 2026

✔ NPI 1154945376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in PA · SP022244

200 BAUGHER DR, Hanover, PA 17331

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THATCHERS BEHAVIORAL HEALTHCARE SERVICES

Nurse Practitioner (Psychiatric/Mental Health)

200 BAUGHER DR
HANOVER, PA 17331

York County (814) 538-9645

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Thatcher's NPI number?

The NPI number for William Thatcher is 1154945376. It was assigned to this individual provider in the NPPES registry on June 3, 2020.

Where is William Thatcher located?

William Thatcher practices at 200 Baugher Dr, Hanover, PA 17331. The listed phone number is (814) 538-9645.

What is William Thatcher's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for William Thatcher was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.