Our Physicians

Our medical staff is an integral part of the growing hospital and health care system in Seguin. GRMC stands out among other hospitals due to the strong bond and collaboration our physicians have with their colleagues.

Browse our physician directory below or call our physician referral line at 830.401.7401.

Flores, Tony MD – Family Practice (+Geriatics)

  • Primary Care
  • 214 N. Camp Street Seguin, TX 78155
  • (830) 379-8811

Bilir, Sule, MD

  • Primary Care
  • 214 N. Camp Street Seguin, TX 78155
  • (830) 379-8811

Boullioun, Susan MD – Family Practice

  • Primary Care
  • 113 E. Cedar Seguin, TX 78155
  • (830) 303-3500

Frets, Robert MD – Internal Medicine

  • Primary Care
  • 1255 Ashby Street, Suite I Seguin, TX 78155
  • (830) 372-1615

Kuo, Jack MD – Internal Medicine

  • Primary Care
  • 1356 E. Walnut Seguin, TX 78155
  • (830) 372-5588

McAtee, Elena MD – Family Practice

  • Primary Care
  • 411 S. King Street—Palm Building Seguin, TX 78155
  • (830) 484-4200

Raetzsch, Thomas MD – Family Practice

  • Primary Care
  • 1025 N. Austin Seguin, TX 78155
  • (830) 379-1184

Rider, David MD – Family Practice

  • Primary Care
  • 1414 E. Walnut St. Seguin, TX 78155
  • (830) 379-7901

Rider, James DO – Family Practice

  • Primary Care
  • 1414 E. Walnut St. Seguin, TX 78155
  • (830) 379-7901

Rinn, Phillip MD – Family Practice (+Obstetrics)

  • Obstetrics/Gynecology
  • 519 N. King, Suite 105 Seguin, TX 78155
  • (830) 372-0994

Schuerger, Joseph MD – Family Practice

  • Primary Care
  • 1414 E. Walnut St. Seguin, TX 78155
  • (830) 379-7901

Sullivan, Linda DO – Family Practice

  • Primary Care
  • 205 N King Street, Suite 200 Seguin, TX 78155
  • (830) 379-5200

Talbot, Nicole DO – Family Practice

  • Primary Care
  • 515 N. King St., Suite 103 Seguin, TX 78155
  • (830) 372-5200

Tamtam, Sankararao MD – Internal Medicine

  • Primary Care
  • 944 S. SH 123 Bypass Seguin, TX 78155
  • (830) 379-3999

Wright, Frank MD – Family Practice

  • Primary Care
  • 411 S. King Street—Palm Building Seguin, TX 78155
  • (830) 484-4200

Zincone, Dean MD – Family Practice

  • Primary Care
  • 1355 E. Court Seguin, TX 78155
  • (830) 401-4401