Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Hunt Paterson, M.D.

Orthopaedic Surgery Physician in Gilbert, AZ · enumerated 2007.

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

National Provider Identifier

1912124876

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Registry record

Entity type Individual (Type 1)

Name William Hunt Paterson

Credential M.D.

Sex Male

Practice address 2940 E Banner Gateway Dr, Ste 200, Gilbert, AZ, 85234

Phone (480) 964-2908

Fax (480) 833-2136

Enumeration date Apr 19, 2007

Last updated in NPPES Mar 25, 2025

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 44445 (AZ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
P01095315	Other	AZ	RAILROAD MEDICARE PTAN
629956	Medicaid	AZ	-

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.

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Frequently asked questions

What is the NPI number for William Paterson?

The National Provider Identifier (NPI) for William Paterson is 1912124876, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Paterson practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-25.