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Dr. Hallmark is on Doximity

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Education & Training

  • CHRISTUS Health/Santa Rosa
    CHRISTUS Health/Santa RosaResidency, Family Medicine, 1999 - 2002
  • The University of Texas Health Science Center at San Antonio
    The University of Texas Health Science Center at San AntonioClass of 1999

Certifications & Licensure

  • TX State Medical License
    TX State Medical License 2002 - 2025
  • American Board of Family Medicine Family Medicine

Awards, Honors, & Recognition

  • Super Doctor SuperDoctors.com

Hospital Affiliations