Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Haskell Hay II, PHARMD

Q: What is the NPI number for William Hay?

The National Provider Identifier (NPI) for William Hay is 1518859180, a Type 1 (individual) record in the CMS NPPES registry.

Pharmacist in Coffeyville, KS · enumerated 2025.

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

National Provider Identifier

1518859180

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Registry record

Entity type Individual (Type 1)

Name Dr. William Haskell Hay II

Credential PHARMD

Sex Male

Practice address 801 W 8th St, Coffeyville, KS, 67337

Phone (620) 505-7001

Fax (620) 505-7002

Enumeration date Jul 17, 2025

Last updated in NPPES Jul 17, 2025

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 1-115552 (KS) Primary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential

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 Hay?

The National Provider Identifier (NPI) for William Hay is 1518859180, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Hay practice?

The practice location on file with NPPES is in Coffeyville, KS. 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 2025-07-17.