NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Stanton Davis, PMHNP-BC

Nurse Practitioner in Paw Paw, MI · enumerated 2007 · practices at Van Buren Community Mental Health Authority.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1659581270

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name William Stanton Davis
Credential PMHNP-BC
Sex Male
Practice address 801 Hazen St Ste C, Paw Paw, MI, 49079
Phone (269) 655-3348
Fax (269) 657-6902
Enumeration date May 23, 2007
Last updated in NPPES Feb 5, 2026

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 4704211030 (MI) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704211030 (MI) Primary
363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704211030 (MI) Secondary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for William Davis?
The National Provider Identifier (NPI) for William Davis is 1659581270, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Davis practice?
The practice location on file with NPPES is in Paw Paw, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-05.