Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Michael Corwin

Physical Therapist in Gilbert, AZ · enumerated 2026.

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

National Provider Identifier

1700739984

Verified

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Registry record

Entity type Individual (Type 1)

Name William Michael Corwin

Sex Male

Practice address 1534 E Ray Rd Ste 104, Gilbert, AZ, 85296

Phone (480) 855-5542

Fax (480) 855-5756

Enumeration date Feb 18, 2026

Last updated in NPPES Feb 18, 2026

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 034532 (AZ) Primary

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 Corwin?

The National Provider Identifier (NPI) for William Corwin is 1700739984, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Corwin practice?

The practice location on file with NPPES is in Gilbert, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-18.