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.

A

Acosta, Ometeotl, MD

  • Maternal-Fetal Medicine (MFM)
  • 1215 E.Court St. Seguin, TX 78155
  • (830) 401-7195

Acosta, Sharron MD – Eye Associates of South Texas

  • Ophthalmology
  • 908 E. Court St. Seguin, TX 78155
  • (830) 379-3937

Alvarado, Antonio MD – San Antonio Kidney Disease Center

  • Nephrology
  • 1410 E. Walnut Seguin, TX 78155
  • (830) 549-5022

Ammon, Jerry DO

  • Anesthesiology
  • 1215 E. Court Seguin, TX 78155
  • (830) 379-5867

Arenas, Juan MD

  • Hospitalists
  • 1215 E. Court Seguin, TX 78155
  • (830) 379-2411

B

Banks, Heather MD – San Antonio Kidney Disease Center

  • Nephrology
  • 1410 E. Walnut Seguin, TX 78155
  • (830) 549-5022

Berkus, Michael MD

  • Maternal-Fetal Medicine (MFM)
  • 1215 E.Court St. Seguin, TX 78155
  • (830) 401-7195

Beste, Elizabeth MD

  • General Surgery
  • 417 S. King St. Cypress Building Seguin, TX 78155
  • (830) 484-4606

Bilir, Sule, MD

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

Bose, Rahul MD – Mission Cardiology

  • Cardiology
  • 303 E. Court St. Seguin, TX 78155
  • (830) 401-4880

Boullioun, Susan MD - Family Practice

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

Brannen, Jodi MD

  • Obstetrics/Gynecology
  • 1339 E. Court, Suite 230 Seguin, TX 78155
  • (830) 372-0800

Burns, Al DDS

  • Pediatric Dentistry
  • 901 N. Hwy 123 Bypass Seguin, TX 78155
  • (830) 372-3725

Burrus, Clint MD

  • Obstetrics/Gynecology
  • Seguin:1339 E. Court, Suite 240, Seguin, TX 78155 New Braunfels:952 Gruene Road, Suite 130, New Braunfels, TX 78130 Floresville:497 10th Street, Suite 102, Floresville, TX 78144
  • (830) 372-2791

C

Castro, Rebecca MD (+Geriatrics)

  • Psychiatry
  • 1215 E. Court, Suite 106 Seguin, TX 78155
  • (830) 401-7367

Chaney, Michael MD

  • Wound Care
  • 1215 E Court Seguin, TX 78155
  • (830) 401-7777

Craig, William MD – Craig Cardiovascular Clinic

  • Cardiology
  • 1348 E. Walnut St. Seguin, TX 78155
  • (830) 433-4648

D

Daggubati, Sreedevi MD

  • Oncology/Hematology
  • New Braunfels:1448 E. Common St., New Braunfels, TX 78130 Seguin:1412 E. Walnut, Seguin, TX 78155 (Thursdays Only)
  • (830) 643-1762

Deetjen, Jack MD

  • Orthopedics
  • 515 N King St., Suite 106 Seguin, TX 78155
  • (830) 379-8371

Dwyer, Michael MD

  • General Surgery
  • 1255 Ashby St. Seguin, TX 78155
  • (830) 372-2840

F

Fisher, James MD

  • Hospital-Based Pediatrics
  • 1215 E. Court Seguin, TX 78155
  • (830) 379-2411

Flores, Tony MD - Family Practice (+Geriatics)

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

Frets, Robert MD - Internal Medicine

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

G

Garcia, Ronnie MD – Mission Cardiology

  • Cardiology
  • 303 E. Court St. Seguin, TX 78155
  • (830) 401-4880

Garza, James DO

  • Anesthesiology
  • 1215 E. Court. Seguin, TX 78155
  • (830) 379-5867

Garza, Zachary MD

Gates, Cameron MD

Grieder, Kevin MD

  • Pathology
  • 1255 Ashby, Suite B Seguin, TX 78155
  • (830) 372-4830

H

Harris, Rubin MD

  • Hospitalists
  • 1215 E. Court Seguin, TX 78155
  • (830) 379-2411

Hennessee, Jennifer MD

  • Ear - Nose - Throat
  • 1414 E. Walnut Seguin, TX 78155
  • (830) 379-0299

Henson, Timothy DMD

  • Pediatric Dentistry
  • 1080 FM 3009, Schertz, TX 78154
  • (210) 659-7884

I

Iglesia, Greg MD

Ireland, Kayla MD

  • Maternal-Fetal Medicine (MFM)
  • 1215 E.Court St. Seguin, TX 78155
  • (830) 401-7195

K

Kavanagh, Joseph MD – Eye Associates of South Texas

  • Ophthalmology
  • 908 E. Court St. Seguin, TX 78155
  • (830) 379-3937

Kirchner, Alyson MD

  • Obstetrics/Gynecology
  • Seguin:1339 E. Court, Suite 210, Seguin, TX 78155 Cuero:2550 N. Esplanade St., Cuero, TX 77954 Yoakum:1220 Carl Ramert Dr., Yoakum, TX 77995
  • (830) 379-1500

Kneuper, Mark MD

  • General Surgery
  • 652 N. Houston #3 New Braunfels, TX 78130
  • (830) 625-6258

Kuo, Jack MD - Internal Medicine

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

L

Lester, Sarah MD

  • Hospitalists
  • 1215 E. Court Seguin, TX 78155
  • (830) 379-2411

Lopez-Glynn, Michelle MD

  • Pediatrics
  • 1005 E. Court, Suite 300 Seguin, TX 78155
  • (830) 303-3400

M

Major, Dolores MD

  • Anesthesiology
  • 1215 E. Court Seguin, TX 78155
  • (830) 379-5867

Mannel, George MD

  • Obstetrics/Gynecology
  • 1255 Ashby Street, Suite G Seguin, TX 78155
  • (830) 372-0600

McAtee, Elena MD - Family Practice

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

McMahon, Kevin MD

  • Neurology
  • 417 S. King Street—Cypress Building Seguin, TX 78155
  • (830) 484-4600

Mourad, Shadi MD – Renal Associates

  • Nephrology
  • 711 E. Court St. Seguin, TX 78155
  • (830) 303-8770

Mushtaq, Aliya MD – Craig Cardiovascular Clinic

  • Cardiology
  • 1348 E. Walnut Seguin, TX 78155
  • (830) 433-4648

N

Nash, Zach MD – Mission Cardiology

  • Cardiology
  • 303 E. Court St. Seguin, TX 78155
  • (830) 401-4880

Nolan, Charles MD

  • Palliative Care                    
  • 1331 E. Court St. Seguin, TX 78155
  • (830) 401-7474

O

Okorodudu, Daniel MD

  • Endocrinology
  • Seguin:411 S. King Street–Palm Building, Seguin, TX 78155 New Braunfels:952 Gruene Road 130, New Braunfels, TX 78130 Cuero:2550 North Esplanade, Cuero, TX 77954 Yoakum:1200 Carl Ramert, Yoakum, TX 77955
  • (830) 484-4204

P

Penagaluru, Neena MD – San Antonio Kidney Disease Center

  • Nephrology
  • 1410 E. Walnut Seguin, TX 78155
  • (830) 549-5022

Q

Quebedeaux, Terri DPM

  • Podiatry
  • 1345 E. College St. Seguin, TX 78155
  • (830) 303-0005

R

Raetzsch, Thomas MD - Family Practice

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

Ramsey, Patrick MD

  • Maternal-Fetal Medicine (MFM)
  • 1215 E.Court St. Seguin, TX 78155
  • (830) 401-7195

Remo, Julie MD – Mission Cardiology

  • Cardiology
  • 303 E. Court St. Seguin, Texas 78155
  • (830) 401-4880

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

Rotts, Michael MD

  • Emergency
  • 1215 E Court Seguin, TX 78155
  • (830) 379-2411

Ryan, Robert MD

  • Urology
  • Seguin:1339 E. Court, Suite 220, Seguin, TX 78155 Gonzales:1110 N. Sarah Dewitt Dr., Gonzales, TX 78629 Yoakum:1220 Carl Ramert Dr., Yoakum, TX 77995 Cuero:2550 N. Esplanade, Cuero, TX 77954
  • (830) 379-8491

S

Sanner, Colin MD

  • Neurology
  • 417 S. King Street—Cypress Building Seguin, TX 78155
  • (830) 484-4600

Schuerger, Joseph MD - Family Practice

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

Scott, Brian MD

  • Hospital-Based Pediatrics
  • 1215 E. Court Seguin, TX 78155
  • (830) 379-2411

Shapiro, Murray MD

Smith, Doug MD

Solomon, Howard MD

  • Urology
  • 1255 Ashby Seguin, TX 78155
  • (830) 379-3046

Stephens, Robert MD

  • Pediatrics
  • 520 E. Donegan St Seguin, TX 78155
  • (830) 379-6300

Subnani, Kishore MD – Mission Cardiology

  • Cardiology
  • 303 E. Court St. Seguin, TX 78155
  • (830) 401-4880

Sullivan, Linda DO - Family Practice

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

Swearingen, Stephen MD

T

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

Tsen, Tony MD

  • Gastroenterology
  • 911 S. Hwy 123 Bypass Seguin, TX 78155
  • (830) 372-9042

Twitero, Trent MD – Seguin Orthopedics

  • Orthopedics
  • 280 S. King Seguin, TX 78155
  • (830) 379-9492

V

Vela, Serapio MD

  • General Surgery
  • 515 N. King, Suite 105 Seguin, TX 78155
  • (830) 372-4891

Velez, Esteban DDS

  • Pediatric Dentistry
  • 128 S. Moss St., Ste. 200 Seguin, TX 78155
  • (830) 372-5437

W

White, G. Steven MD – Seguin Orthopedics

  • Orthopedics
  • 280 S King Seguin, TX 78155
  • (830) 379-9492

Wright, Frank MD - Family Practice

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

Wyatt, Jamison MD – Mission Cardiology

  • Cardiology
  • 303 E. Court St. Seguin, TX 78155
  • (830) 401-4880

Z

Zhang, Xin MD

  • Physical Medicine (Physiatry)
  • 1215 E. Court Seguin, TX 78155
  • (830) 379-2411

Zincone, Dean MD - Family Practice

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

Zweikoft, Stewart MD

  • Pain Management
  • 205 N. King Seguin, TX 78155
  • (830) 609-9478