Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John S Whorff, O.D.
Optometrist in Winnsboro, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730150327
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Registry record
Entity type Individual (Type 1)
Name John S Whorff
Credential O.D.
Sex Male
Practice address 408 S Main St, Winnsboro, TX, 75494
Phone (903) 342-5799
Fax (903) 342-1409
Enumeration date Jan 31, 2006
Last updated in NPPES Jul 16, 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 |
|---|---|---|---|
| 127242902 | Medicaid | TX | - |
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 Whorff practice?
The practice location on file with NPPES is in Winnsboro, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Whorff?
The National Provider Identifier (NPI) for John Whorff is 1730150327, 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 2007-07-16.