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Gregory R. Montoya, MD

Psychiatry Physician · Psychiatrist in Texarkana, TX

1002 Texas Blvd, Ste 320

Texarkana, TX 75501

(903) 831-7585

Provider details

Specialty
Psychiatry Physician
Credentials
MD
NPI number
1083614176

Checked against the CMS National Provider Identifier registry on October 2, 2026.

Medicare information

Medical school
University of Texas Medical School at San Antonio, graduated 1974
Also sees patients at
  • Sabine Valley Regional Mhmr Center
    7470 State Hwy 154, Marshall, TX 75670 · (271) 466-4752
Hospital affiliations
  • Christus St Michael Health System, Texarkana, TX · Medicare rating 3 out of 5 stars
Medicare
Accepts Medicare assignment (the Medicare-approved amount as full payment)
Telehealth
Offers telehealth visits

From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare

About

Specialties

  • Psychiatry

Insurance

  • Aetna HMO
  • Great West Healthcare PPO
  • Humana
  • Humana - Choice Care PPO
  • MultiPlan - PHCS PPO
  • MultiPlan PPO

Other care in Texarkana

Listings are provided for information only and may be out of date. Know Cancer does not endorse any provider. Please confirm details directly with the provider.