Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Magnus Ketcher, O.D.
Optometrist in Tyler, TX · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740594159
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Registry record
Entity type Individual (Type 1)
Name John Magnus Ketcher
Credential O.D.
Sex Male
Practice address 1424 E Front St, Tyler, TX, 75702
Phone (903) 595-4144
Enumeration date Jul 28, 2010
Last updated in NPPES May 17, 2019
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 |
|---|---|---|---|
| 393764101 | Medicaid | TX | - |
| P02184376 | Other | TX | MEDICARE RAIL ROAD |
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 Ketcher practice?
The practice location on file with NPPES is in Tyler, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Ketcher?
The National Provider Identifier (NPI) for John Ketcher is 1740594159, 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 2019-05-17.