Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William M. Hannay, M.D.

Orthopaedic Surgery Physician in Renton, WA · enumerated 2017 · practices at Proliance Surgeons Inc., P.S..

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

National Provider Identifier

1093240582

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Registry record

Entity type Individual (Type 1)

Name William M. Hannay

Credential M.D.

Sex Male

Practice address 4011 Talbot Rd S Ste 300, Renton, WA, 98055

Phone (425) 656-5060

Fax (425) 656-5047

Enumeration date Apr 21, 2017

Last updated in NPPES Sep 27, 2023

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License A175934 (CA) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License MD61436981 (WA) 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
2082648	Medicaid	WA	-

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 Hannay?

The National Provider Identifier (NPI) for William Hannay is 1093240582, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Hannay practice?

The practice location on file with NPPES is in Renton, WA. 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 2023-09-27.