Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Gaston Horner, MD

Individual provider Family Medicine Physician · NPI 1598997298

John Gaston Horner, MD is a Family Practice in Olney, Texas. Graduated from University of North Dakota School of Medicine in 2009, 17 years ago. Practices with Concord Medical Group of Texas PLLC, a 317-clinician group. Licensed in Texas.

Years since qualifying
17
Trained at
University of North Dakota School of Medicine
Licensed in
TX
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 S Avenue M
Olney, TX 76374-1642
Phone: (940) 564-3546
Fax: (940) 564-8882
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence P2459 (TX)

Record details

NPI number1598997298
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2009
Last updated in NPPESSeptember 25, 2025
Certification dateSeptember 25, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Concord Medical Group Of Texas Pllc — 317 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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