Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Andrew Riley, O.D.
Optometrist in Gilbert, AZ · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003997305
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Registry record
Entity type Individual (Type 1)
Name Dr. John Andrew Riley
Credential O.D.
Sex Male
Practice address 3931 S Gilbert Rd, Gilbert, AZ, 85297
Phone (480) 281-0204
Fax (480) 281-0206
Enumeration date Oct 17, 2006
Last updated in NPPES Feb 27, 2017
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is John Riley?
John Riley is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-27.