Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Hoskins Warren, O.D.
Optometrist in Snellville, GA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861421315
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Registry record
Entity type Individual (Type 1)
Name John Hoskins Warren
Credential O.D.
Sex Male
Practice address 1708 Scenic Hwy N, Snellville, GA, 30078
Phone (770) 736-3354
Enumeration date Jun 30, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 |
|---|---|---|---|
| 00968481A | Medicaid | GA | - |
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
Where does John Warren practice?
The practice location on file with NPPES is in Snellville, GA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Warren?
The National Provider Identifier (NPI) for John Warren is 1861421315, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.