JOHN GASTON HORNER M.D.
NPI 1598997298
Family Medicine in Olney, TX
About John Gaston Horner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN GASTON HORNER M.D. (NPI 1598997298) is an individual family medicine provider in Olney, Texas, licensed in Texas (P2459) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, is affiliated with United Regional Health Care System, and is a graduate of University Of North Dakota School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Gaston Horner M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show John Horner reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olney, TX 76374
- Reassigned Medicare billing, Texas enrollment
- Also billed through NPI 1134137466 (Texas)
- 24 clinicians in this Medicare group
Comanche, TX 76442
- Reassigned Medicare billing, Texas enrollment
- 100 clinicians in this Medicare group
San Saba, TX 76877
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Llano Regional Hospital
- 5 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,338 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 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 16
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
United Regional Health Care System
Acute Care Hospitals · Wichita Falls, TXHamilton Hospital
Critical Access Hospitals · Olney, TXClay County Memorial Hospital
Critical Access Hospitals · Henrietta, TXGraham Regional Medical Center
Critical Access Hospitals · Graham, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76374 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 9
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Horner's NPI number?
The NPI number for John Horner is 1598997298. It was assigned to this individual provider in the NPPES registry on August 13, 2009.
Where is John Horner located?
John Horner practices at 100 S Avenue M, Olney, TX 76374. The listed phone number is (940) 564-3546.
What is John Horner's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Horner enrolled in Medicare?
Yes. John Horner is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Horner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Horner reassigns Medicare benefits to 5 organizations: Olney Hamilton Hospital District (Olney, TX), Comanche County Medical Center Company (Comanche, TX), Mid Coast Medical Center-Central (San Saba, TX), Concord Medical Group PLLC (Lubbock, TX) and Concord Medical Group Of Texas PLLC (Lubbock, 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 Horner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Horner 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 3 other insurers list John Horner 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 Horner affiliated with any hospitals?
According to CMS data, John Horner is affiliated with United Regional Health Care System, Hamilton Hospital, Clay County Memorial Hospital and Graham Regional Medical Center.
When was this NPI record last updated?
The NPPES record for John Horner was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.