Primary Care

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, view our Physician Poster, or call our physician referral line at 830.401.7401.

Bilir, Sule, MD

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

Boullioun, Susan MD

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

Earnest, Brett MD

  • Primary Care
  • 1761 South, TX-46 Suite 104, New Braunfels, TX 78130. Google and Apple Maps' locations are incorrect when searching by address. Please refer to the map in the bio for directions.
  • 830-433-7815

Flores, Tony MD

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

Frets, Robert MD

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

Kuo, Jack MD

  • Internal Medicine
  • 1356 E. Walnut Seguin, TX 78155
  • (830) 372-5588

McAtee, Elena MD

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

Raetzsch, Thomas MD

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

Rider, David MD

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

Rider, James DO

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

Rinn, Phillip MD

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

Schuerger, Joseph MD

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

Sullivan, Linda DO

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

Talbot, Nicole DO

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

Tamtam, Sankararao MD

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

Wright, Frank MD

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

Zincone, Dean MD

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