Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John A Larrinaga, MD

Diagnostic Radiology Physician in Tyler, TX · enumerated 2006 · practices at Christus Trinity Clinic.

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

National Provider Identifier

1275507204

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Registry record

Entity type Individual (Type 1)

Name John A Larrinaga

Credential MD

Sex Male

Practice address 520 Douglas Blvd, Tyler, TX, 75702

Phone (903) 510-1175

Enumeration date Feb 15, 2006

Last updated in NPPES Oct 13, 2014

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License L4516 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
152466203	Medicaid	TX	-
152466202	Medicaid	TX	-
152450601	Medicaid	TX	-
8CU211	Other	TX	BCBS MFH JV LOCATION
8B0526	Other	TX	BCBS
152466201	Medicaid	TX	-
TIN PLUS 005	Other	TX	TRICARE MFH JV LOCATION
TIN PLUS 113	Other	TX	TRICARE

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.

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Frequently asked questions

What is the NPI number for John Larrinaga?

The National Provider Identifier (NPI) for John Larrinaga is 1275507204, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Larrinaga practice?

The practice location on file with NPPES is in Tyler, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-13.