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

Gregory R Montoya, MD

Individual provider Psychiatry Physician · NPI 1083614176

Gregory R Montoya, MD is a Psychiatry in Texarkana, Texas. Graduated from University of Texas Medical School at San Antonio in 1974, 52 years ago. Practices with Sabine Valley Regional Mhmr Center, an 18-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arkansas and Texas.

Years since qualifying
52
Trained at
University of Texas Medical School at San Antonio
Licensed in
AR, TX
In the registry since
2005
Specialties on file
2
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

1902 Galleria Oaks Dr
Texarkana, TX 75503-4619
Phone: (903) 614-3800
Fax: (903) 614-3525
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence H5012 (TX)
Psychiatry Physician Taxonomy 2084P0800X · Licence E3176 (AR)

Record details

NPI number1083614176
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESJuly 14, 2007

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 1974 (52 years in practice)
Group practice Sabine Valley Regional Mhmr Center — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Texarkana