NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Ryan Davis, OD

Optometrist in Blue Ash, OH · enumerated 2005.

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

National Provider Identifier

1033117528

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name William Ryan Davis
Credential OD
Sex Male
Practice address 1945 Cei Dr, Blue Ash, OH, 45242
Fax (513) 569-3941
Enumeration date Jul 8, 2005
Last updated in NPPES Mar 1, 2022

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 6173/T3088 (OH) Primary
152W00000X Optometrist Eye and Vision Services Providers · License TA1838 (MD) Secondary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
015278W78 Other - RAILROAD MEDICARE

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 1033117528, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Davis practice?
The practice location on file with NPPES is in Blue Ash, OH. 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 2022-03-01.