Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Riley Joan Miller

Optician in Lancaster, OH · enumerated 2023.

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

National Provider Identifier

1801594973

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Registry record

Entity type Individual (Type 1)

Name Riley Joan Miller

Sex Female

Practice address Lancaster, OH, 43130

Phone (740) 687-0530

Fax (740) 687-0588

Enumeration date Feb 20, 2023

Last updated in NPPES Feb 20, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

156FX1800X Optician Eye and Vision Services Providers · License OPO17398S (OH) Primary

Other identifiers

Identifier	Type	State	Issuer
7404382810	Medicaid	OH	-

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

Is NPI 1801594973 active?

Yes, as of the latest NPPES snapshot, NPI 1801594973 is active (record last updated 2023-02-20).

How do I verify Riley Miller's NPI record?

Cross-check NPI 1801594973 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-20.