JOHN A LARRINAGA MD
NPI 1275507204
Radiology - Diagnostic Radiology in Tyler, TX
About John A Larrinaga Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN A LARRINAGA MD (NPI 1275507204) is an individual diagnostic radiology provider in Tyler, Texas, licensed in Texas (L4516) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Ut Health East Texas Tyler Regional Hospital, and is a graduate of University Of Southern California Keck School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 15
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John A Larrinaga Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show John Larrinaga reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Tyler, TX 75701
- Reassigned Medicare billing, Texas enrollment
- 547 clinicians in this Medicare group
Tyler, TX 75708
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: University Of Texas Health Science Center At Tyler-Facilty-Physician
- 299 clinicians in this Medicare group
Jacksonville, TX 75766
- Reassigned Medicare billing, Texas enrollment
- 409 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ut Health East Texas Tyler Regional Hospital
Acute Care Hospitals · Tyler, TXThe University Of Texas Health Science Center At Tyler
Acute Care Hospitals · Tyler, TXBaylor Scott & White Texas Spine & Joint Hospital
Acute Care Hospitals · Tyler, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TYLER, TX 75702
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Larrinaga's NPI number?
The NPI number for John Larrinaga is 1275507204. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is John Larrinaga located?
John Larrinaga practices at 520 Douglas Blvd, Tyler, TX 75702. The listed phone number is (903) 510-1175.
What is John Larrinaga's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Larrinaga enrolled in Medicare?
Yes. John Larrinaga is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Larrinaga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Larrinaga reassigns Medicare benefits to 4 organizations: Christus Trinity Clinic Texas (Tyler, TX), Mother Frances Hospital Regional Health Care Center (Tyler, TX), University Of Texas Health Science Center At Tyler (Tyler, TX) and Mother Frances Hospital Jacksonville (Jacksonville, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Larrinaga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Larrinaga accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list John Larrinaga as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Larrinaga affiliated with any hospitals?
According to CMS data, John Larrinaga is affiliated with Ut Health East Texas Tyler Regional Hospital, The University Of Texas Health Science Center At Tyler and Baylor Scott & White Texas Spine & Joint Hospital.
When was this NPI record last updated?
The NPPES record for John Larrinaga was last updated on October 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John A Larrinaga, MD · NPI 1275507204
Diagnostic Radiology physician in Tyler, Texas. Individual provider, active in the CMS NPPES registry since February 15, 2006.
## Identity
- **NPI:** 1275507204 (Entity type: Individual)
- **Enumerated:** February 15, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** L4516 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 520 DOUGLAS BLVD, Tyler, TX 75702-8307
- **Phone:** (903) 510-1175
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); Mother Frances Hospital Regional Health Care Center (NPI 1679578439, Tyler, TX); University Of Texas Health Science Center At Tyler (NPI 1992868186, Tyler, TX); Mother Frances Hospital Jacksonville (NPI 1952306672, Jacksonville, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** October 13, 2014
- **Other identifiers:** Medicaid 152466202 (TX); Medicare UPIN G52905; Other TIN PLUS 113 (TX); and 12 more
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Source: [NPI Profile](https://npiprofile.com/npi/1275507204) · Data from the CMS NPPES public registry.