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.

Choose a specialty or program:

Choose a specialty or program Anesthesiology Cardiology Critical Care Ear - Nose - Throat Emergency Endocrinology Gastroenterology General Surgery Gynecology Hospital-Based Pediatrics Hospitalists Internal Medicine Maternal-Fetal Medicine (MFM) Neonatology Nephrology Obstetrics/Gynecology Oncology/Hematology Ophthalmology Orthopedics Pain Management Palliative Care Pediatric Dentistry Pediatrics Physical Medicine (Physiatry) Podiatry Primary Care Psychiatry Pulmonology Radiology Urology Wound Care

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A

Abdalla, Azza MD

• Specialties:Obstetrics/Gynecology
• Location:417 S. King St., Seguin, TX 78155
• Phone: (830) 372-2791

Acosta, Sharron MD

• Specialties:Ophthalmology
• Board Certified:Ophthalmology
• Location:908 E. Court St. Seguin, TX 78155
• Phone: (830) 379-3937

• Board Certified:Ophthalmology

Adamson, Van MD

• Specialties:Cardiology
• Board Certified:Cardiovascular Disease
• Location:580 Cibolo Valley Dr., Suite 207, Cibolo, TX 78108
• Phone: 210-767-2549

• Board Certified:Cardiovascular Disease

Alvarado, Antonio MD

• Specialties:Nephrology
• Board Certified:Internal Medicine & Nephrology
• Locations:Seguin: 1410 E. Walnut St., Seguin, TX 78155New Braunfels: 2660 E. Common St., Suite 201, New Braunfels, TX 78130
• Phone: (830) 549-5022

• Board Certified:Internal Medicine & Nephrology

Arenas, Juan MD, CHCQM-PHYADV

• Specialties:Hospitalists
• Board Certified:Internal Medicine & Health Care Quality and Management
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

• Board Certified:Internal Medicine & Health Care Quality and Management

Attia, Jonven MD

• Specialties:Endocrinology
• Board Certified:Internal Medicine
• Location:105 Medical Dr., Seguin TX 78155
• Phone: 830-484-4204

• Board Certified:Internal Medicine

B

Bailey, Steven MD

• Specialties:Cardiology
• Locations:: 1300 Captain Albert Martin Trail, GonzalesSan Antonio: 555 E. Basse Rd., Suite 117, San Antonio
• Phone: (830) 433-4648

Banks, Heather MD

• Specialties:Nephrology
• Board Certified:Nephrology
• Locations:Seguin: 1410 E. Walnut St., Seguin, TX 78155New Braunfels: 2660 E. Common St., Suite 201, New Braunfels, TX 78130
• Phone: (830) 549-5022

• Board Certified:Nephrology

Barnwell, Megan MD

• Specialties:Cardiology
• Board Certified:Cardiovascular Disease
• Location:1348 E. Walnut St., Seguin, TX 78155
• Phone: (830) 433-4648

• Board Certified:Cardiovascular Disease

Berkus, Michael MD

• Specialties:Maternal-Fetal Medicine (MFM)
• Board Certified:Obstetrics & Gynecology
• Location:1215 E. Court St. Seguin, TX 78155
• Phone: (830) 401-7195

• Board Certified:Obstetrics & Gynecology

Bonilla, Jonathan MD

• Specialties:Cardiology
• Location:1255 Ashby St., Seguin, TX 78155
• Phone: (830) 590-8049

Borgfeld, Nathan MD

• Specialties:Primary Care
• Board Certified:Family Medicine
• Location:1350 E. Walnut St., Seguin, TX 78155
• Phone: 830-463-3323

• Board Certified:Family Medicine

Bose, Rahul MD, FACC, FSCAI

• Specialties:Cardiology
• Board Certified:Interventional Cardiology & Cardiovascular Disease
• Location:479 Oxford Dr., Suite 104, New Braunfels, TX 78130
• Phone: (830) 214-0300

• Board Certified:Interventional Cardiology & Cardiovascular Disease

Boullioun, Susan MD

• Specialties:Primary Care, Pediatrics
• Board Certified:Family Medicine
• Location:113 E. Cedar St., Seguin, TX 78155
• Phone: (830) 303-3500

• Board Certified:Family Medicine

Boyd, Angela MD

• Specialties:Maternal-Fetal Medicine (MFM)
• Board Certified:Obstetrics and Gynecology
• Location:1215 E. Court St. Seguin, TX 78155
• Phone: (830) 401-7195

• Board Certified:Obstetrics and Gynecology

Brannen, Jodi MD

• Specialties:Obstetrics/Gynecology
• Board Certified:Obstetrics & Gynecology
• Location:515 N. King St., Suite 105, Seguin, TX 78155
• Phone: (830) 272 - 0210

• Board Certified:Obstetrics & Gynecology

Bulathsinghala, Chinthaka MD

• Specialties:Pulmonology
• Board Certified:PulmonologyCritical Care Medicineand Internal Medicine
• Locations:Seguin: 417 S. King St., Seguin, TX 78155New Braunfels: 598 N. Union, Suite 250, New Braunfels, TX 78130San Marcos: 1305 Wonderworld Drive, Suite 308, San Marcos, TX 78666San Antonio: 127 Lewis St., San Antonio, TX 78212
• Phone: (210) 600-5864

• Board Certified:PulmonologyCritical Care Medicineand Internal Medicine

Burns, Al DDS

• Specialties:Pediatric Dentistry
• Location:901 N. HWY 123 Bypass, Seguin, TX 78155
• Phone: (830) 372-3725

Burrus, Clint MD

• Specialties:Obstetrics/Gynecology
• Board Certified:Obstetrics & Gynecology
• Location:417 S. King St., Seguin, TX 78155
• Phone: (830) 372-2791

• Board Certified:Obstetrics & Gynecology

Byrne, John MD

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

C

Castro, Rebecca MD

• Specialties:Psychiatry
• Board Certified:Psychiatry
• Location:1215 E. Court St., Suite 106, Seguin, TX 78155
• Phone: (830) 401-1367

• Board Certified:Psychiatry

Craig, William MD

• Specialties:Cardiology
• Board Certified:Cardiovascular Disease & Internal Medicine
• Locations:Seguin: 1348 E. Walnut St., Seguin, TX 78155Gonzales: 1300 Captain Albert, Gonzales, TX 78629
• Phone: (830) 433-4648

• Board Certified:Cardiovascular Disease & Internal Medicine

D

Daggubati, Sreedevi MD

• Specialties:Oncology/Hematology
• Board Certified:Hematology & Oncology
• Location:1448 E. Common St., New Braunfels, TX 78130
• Phone: (830) 643-1762

• Board Certified:Hematology & Oncology

De Silva, Palla Rivi MD

• Specialties:Pulmonology
• Board Certified:PulmonologyCritical Care Medicineand Internal Medicine
• Locations:Seguin: 417 S. King St., Seguin, TX 78155New Braunfels: 598 N. Union, Suite 250, New Braunfels, TX 78130San Marcos: 1305 Wonderworld Drive, Suite 308, San Marcos, TX 78666San Antonio: 127 Lewis Street, San Antonio, TX 78212
• Phone: (210) 600-5864

• Board Certified:PulmonologyCritical Care Medicineand Internal Medicine

DeArmond, Greg MD

• Specialties:General Surgery
• Board Certified:General Surgery
• Locations:Seguin: 105 Medical Dr., Seguin, TX 78155New Braunfels: 1695 I-35, Suite 105, New Braunfels
• Phone: (830) 643-6348

• Board Certified:General Surgery

Deetjen, Jack MD

• Specialties:Orthopedics
• Board Certified:Orthopedic Surgery
• Location:515 N. King St., Suite 106, Seguin, TX 78155
• Phone: (830) 379-8371

• Board Certified:Orthopedic Surgery

E

Earnest, Brett MD

• Specialties:Primary Care, Pediatrics
• Board Certified:Family Medicine
• Location:1761 S. TX-46, Suite 104, New Braunfels, TX 78130
• Phone: 830-433-7815

• Board Certified:Family Medicine

F

Flores, Tony MD

• Specialties:Primary Care
• Board Certified:Family Medicine & Geriatric Medicine
• Location:214 N. Camp St., Seguin, TX 78155
• Phone: (830) 379-8811

• Board Certified:Family Medicine & Geriatric Medicine

Flowers, Caroline MD (Coming Spring 2026)

• Specialties:Primary Care, Obstetrics/Gynecology
• Location:411 S. King St., Seguin, TX 78155
• Phone: (830) 484-4200

G

Garcia, Ronnie MD

• Specialties:Cardiology
• Board Certified:Cardiovascular Disease & Internal Medicine
• Location:1012 Schriewer St., Seguin, TX 78155
• Phone: (830) 401-4880

• Board Certified:Cardiovascular Disease & Internal Medicine

Garza, James DO

• Specialties:Anesthesiology
• Board Certified:Anesthesiology
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-5867

• Board Certified:Anesthesiology

Gonzales, Gabriel DO

• Specialties:Gastroenterology
• Location:1339 E. Court St., Suite 230, Seguin, TX 78155
• Phone: (830) 420-6770

Goodwin, Jason MD

• Specialties:Ear - Nose - Throat
• Board Certified:Otolayngology
• Location:105 Medical Dr., Seguin TX 78155
• Phone: (830) 379-0299

• Board Certified:Otolayngology

Goyer, Alley DO

• Specialties:Hospitalists
• Board Certified:Family Medicine and Lifestyle Medicine
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

• Board Certified:Family Medicine and Lifestyle Medicine

Gurung, Sidhanta MD

• Specialties:Cardiology
• Board Certified:Internal Medicine
• Location:1348 E. Walnut St., Seguin, TX 78155
• Phone: (830) 433-4648

• Board Certified:Internal Medicine

H

Hagberg, Stephen MD

• Specialties:Hospitalists
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

Hale, Tyson MD

• Specialties:Radiology
• Location:1215 E. Court St., Seguin TX 78155
• Phone: (830) 379-2411

Henderson, Elizabeth MD, FACS

• Specialties:General Surgery
• Board Certified:General Surgery
• Locations:Seguin: 105 Medical Dr., Seguin, TX 78155New Braunfels: 1761 S. State Hwy 46, Suite 104, New Braunfels, TX 78130
• Phone: (830) 484-4606

• Board Certified:General Surgery

Hennessee, Jennifer MD

• Specialties:Ear - Nose - Throat
• Board Certified:Otolaryngology
• Locations:Seguin: 105 Medical Dr., Seguin, TX 78155New Braunfels: 1761 S. State Hwy 46, Suite 104, New Braunfels, TX 78130
• Phone: (830) 379-0299

• Board Certified:Otolaryngology

K

Kavanagh, Joseph MD

• Specialties:Ophthalmology
• Board Certified:Ophthalmology
• Location:908 E. Court St., Seguin, TX 78155
• Phone: (830) 379-3937

• Board Certified:Ophthalmology

Kennedy, David MD

• Specialties:Anesthesiology
• Board Certified:Anesthesiology
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-5867

• Board Certified:Anesthesiology

Kirchner, Alyson MD

• Specialties:Obstetrics/Gynecology
• Board Certified:Obstetrics & Gynecology
• Locations:Seguin: 1339 E. Court St., Suite 210, Seguin, TX 78155Gonzales: 1110 N. Sarah Dewitt Dr., Gonzales, TX 78629
• Phone: (830) 379-1500

• Board Certified:Obstetrics & Gynecology

Kuo, Jack MD

• Specialties:Internal Medicine
• Board Certified:Internal Medicine
• Location:1356 E. Walnut St., Seguin, TX 78155
• Phone: (830) 372-5588

• Board Certified:Internal Medicine

L

Lester, Sarah MD

• Specialties:Hospitalists
• Board Certified:Family Medicine
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

• Board Certified:Family Medicine

Lipton, Vivian MD

• Specialties:Primary Care, Obstetrics/Gynecology, Pediatrics
• Location:1352 E. Walnut St., Seguin TX 78155
• Phone: (830) 475-4321

Lopez-Glynn, Michele MD

• Specialties:Pediatrics
• Location:1005 E. Court St., Suite 300, Seguin, TX 78155
• Phone: (830) 303-3400

M

Major, Dolores MD

• Specialties:Anesthesiology
• Board Certified:Anesthesiology
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-5867

• Board Certified:Anesthesiology

Mannel, George MD

• Specialties:Gynecology
• Board Certified:Obstetrics & Gynecology
• Location:1255 Ashby St., Suite G, Seguin, TX 78155
• Phone: (830) 372-0600

• Board Certified:Obstetrics & Gynecology

McLain, John, MD

• Specialties:General Surgery
• Board Certified:General Surgery
• Locations:Seguin: 105 Medical Dr., Seguin, TX 78155San Marcos: 1305 Wonder World Drive, Suite 300, San Marcos
• Phone: (512) 353-6400

• Board Certified:General Surgery

Montgomery, Lance DO

• Specialties:Primary Care
• Location:411 S. King St., Seguin, TX 78155
• Phone: (830) 484-4200

Morgan, Whitney MD

• Specialties:Pediatrics
• Board Certified:Pediatrics
• Location:515 N. King St., 101 Seguin, TX 78155
• Phone: (830) 372-3135

• Board Certified:Pediatrics

Mourad, Shadi MD

• Specialties:Nephrology
• Board Certified:Nephrology
• Location:711 E. Court St., Seguin, TX 78155
• Phone: (830) 303-8770

• Board Certified:Nephrology

Myers, Mitchell MD

• Specialties:Orthopedics
• Locations:Seguin: 280 S. King St., Seguin, TX 78155New Braunfels: 1761 S. State Hwy 46, Suite 104, New Braunfels, TX 78130Hallettsville: 1400 N. Texana St., Hallettsville, TX 77964
• Phone: (830) 379-9492

N

Neppala, Sivaram MD

• Specialties:Hospitalists
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

Nolan, Charles MD

• Specialties:Palliative Care
• Board Certified:Hospice & Palliative MedicineNephrology & Internal Medicine
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 401-7224

• Board Certified:Hospice & Palliative MedicineNephrology & Internal Medicine

O

Ortiz, Eliezer MD

• Specialties:Primary Care, Pediatrics
• Location:411 S. King St., Seguin, TX 78155
• Phone: (830) 484-4200

Osborn, Matthew MD

• Specialties:Anesthesiology
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-5867

Q

Quebedeaux, Terri DPM

• Specialties:Podiatry
• Locations:Seguin: 1345 E. College St., Seguin, TX 78155Gonzales: 1110 Sarah DeWitt Dr., Gonzales, TX 78629LaVernia: 309 Silverado St., LaVernia, TX 78121Lockhart: 209 S. Church St., Lockhart, TX 78644
• Phone: (830) 303-0005

R

Raetzsch, Thomas MD

• Specialties:Primary Care
• Board Certified:Family Medicine
• Location:1025 N. Austin St., Seguin, TX 78155
• Phone: (830) 379-1184

• Board Certified:Family Medicine

Ramsey, Patrick MD

• Specialties:Maternal-Fetal Medicine (MFM)
• Board Certified:Obstetrics & Gynecology
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 401-7195

• Board Certified:Obstetrics & Gynecology

Remo, Julie MD

• Specialties:Cardiology
• Board Certified:Cardiovascular Disease & Internal Medicine
• Location:479 Oxford Dr., Suite 104, New Braunfels, TX 78130
• Phone: (830) 214-0300

• Board Certified:Cardiovascular Disease & Internal Medicine

Rider, David MD

• Specialties:Primary Care
• Board Certified:Family Medicine
• Location:1414 E. Walnut St., Seguin, TX 78155
• Phone: (830) 379-7901

• Board Certified:Family Medicine

Rider, James DO

• Specialties:Primary Care, Pediatrics
• Board Certified:Family Medicine
• Location:1414 E. Walnut St., Seguin, TX 78155
• Phone: (830) 379-7901

• Board Certified:Family Medicine

Rinn, Phillip MD

• Specialties:Primary Care, Obstetrics/Gynecology, Pediatrics
• Board Certified:Family Medicine
• Location:519 N. King St., Suite 105, Seguin, TX 78155
• Phone: (830) 372-0994

• Board Certified:Family Medicine

Robbins, Esther MD

• Specialties:Primary Care, Obstetrics/Gynecology, Pediatrics
• Board Certified:Family Medicine
• Location:1352 E. Walnut St., Seguin TX 78155
• Phone: (830) 475-4321

• Board Certified:Family Medicine

Rotts, Michael MD

• Specialties:Emergency
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

Ryan, Robert MD

• Specialties:Urology
• Board Certified:Urology
• Locations:Seguin: 105 Medical Dr., Seguin, TX 78155Gonzales: 1110 N. Sarah Dewitt Dr., Gonzales, TX 78629Yoakum: 1220 Carl Ramert Dr., Yoakum, TX 77995Cuero: 2550 N. Esplanade, Cuero, TX 77954
• Phone: (830) 379-8491

• Board Certified:Urology

S

Sangha, Bhupinder MD

• Specialties:Critical Care, Internal Medicine, Nephrology
• Board Certified:Critical Care MedicineNephrology & Internal Medicine
• Location:1339 E. Court St., Suite 240, Seguin, TX 78155
• Phone: (830) 484-4600

• Board Certified:Critical Care MedicineNephrology & Internal Medicine

Sayeed, Jaweed MD

• Specialties:Cardiology
• Board Certified:Cardiovascular Disease and Interventional Cardiology
• Location:479 Oxford Dr., Suite104, New Braunfels, TX 78130
• Phone: 830-214-0300

• Board Certified:Cardiovascular Disease and Interventional Cardiology

Schronk, Kenneth MD

• Specialties:Anesthesiology
• Board Certified:Anesthesiology
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-5867

• Board Certified:Anesthesiology

Scott, Brian MD

• Specialties:Hospital-Based Pediatrics, Neonatology
• Board Certified:Neonatal-Perinatal Medicine & Pediatrics
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

• Board Certified:Neonatal-Perinatal Medicine & Pediatrics

Smith, Doug MD

• Specialties:Radiology
• Board Certified:Diagnostic Radiology
• Location:1215 E. Court St., Seguin TX 78155
• Phone: (830) 379-2411

• Board Certified:Diagnostic Radiology

Soliman, Sameer MD

• Specialties:Pain Management
• Board Certified:Anesthesiology and Pain Management
• Locations:Seguin: 1339 E. Court St., Suite 220, Seguin, TX 78155New Braunfels: 741 Generations Dr., Suite 115, New Braunfels, TX 78130Live Oak: 11227 Toepperwein Rd., Suite 100, Live Oak, TX 78233San Antonio: 3415 Paesanos Parkway, Suite 100, San Antonio, TX 78231Uvalde: 1038 Garner Field Rd., Uvalde, TX 78801
• Phone: 210-600-9766

• Board Certified:Anesthesiology and Pain Management

Solomon, Howard MD

• Specialties:Urology
• Board Certified:Urology
• Locations:Seguin: 105 Medical Dr., Seguin, TX 78155Kenedy: 3349 U.S. 181, Suite D, Kenedy, TX 78119
• Phone: (830) 379-3046

• Board Certified:Urology

Somen, Jacob DO

• Specialties:Primary Care, Pediatrics
• Location:411 S. King St., Seguin, TX 78155
• Phone: (830) 484-4200

Swearingen, Stephen MD

• Specialties:Radiology
• Board Certified:Diagnostic Radiology
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

• Board Certified:Diagnostic Radiology

T

Talbot, Nicole DO

• Specialties:Primary Care, Pediatrics
• Board Certified:Family Medicine
• Location:515 N. King St., Suite 103, Seguin, TX 78155
• Phone: (830) 372-5200

• Board Certified:Family Medicine

Tsen, Tony MD

• Specialties:Gastroenterology
• Board Certified:Internal Medicine & Gastroenterology
• Location:911 S. Hwy 123 Bypass, Seguin, TX 78155
• Phone: (830) 372-9042

• Board Certified:Internal Medicine & Gastroenterology

Twitero, Trent MD

• Specialties:Orthopedics
• Board Certified:Orthopedic Surgery
• Locations:Seguin: 1339 E. Court St., Suite 220, Seguin, TX 78155Cuero: 2550 N. Esplanade, Cuero, TX 77954Gonzales: 1110 N. Sarah DeWitt, Gonzales, TX 78629Kenedy: 3349 S. HWY 181, Kenedy, TX 77995New Braunfels: 960 Gruene Road, Suite 101, New Braunfels, TX 78130
• Phone: (830) 625-0009

• Board Certified:Orthopedic Surgery

V

Velez, Esteban DDS

• Specialties:Pediatric Dentistry
• Location:128 S. Moss St., Suite 200 Seguin, TX 78155
• Phone: (830) 372-5437

W

White, Charles DPM

• Specialties:Podiatry
• Board Certified:Podiatric MedicineFoot & Ankle Surgery
• Locations:Seguin: 932 S. State HWY 123 Bypass, Seguin, TX 78155Kenedy: 3349 S Hwy 181, Suite 6, Kenedy, TX 78119LaVernia: 309 Silverado St., LaVernia, TX 78121Nixon: 200 E. Second St., Nixon, TX 78140
• Phone: (830) 491-9211

• Board Certified:Podiatric MedicineFoot & Ankle Surgery

White, G. Steven MD

• Specialties:Orthopedics
• Board Certified:Orthopedic Surgery
• Locations:Seguin: 280 S. King St., Seguin, TX 78155La Vernia: 309 Silverado St., La Vernia, TX 78121Yoakum: 1200 Carl Ramert, Yoakum, TX 77995
• Phone: (830) 379-9492

• Board Certified:Orthopedic Surgery

White, John MD

• Specialties:Urology
• Board Certified:Urology
• Locations:Seguin: 105 Medical Dr., Seguin, TX 78155Cuero: 2550 N. Esplanade, Cuero, TX 77954
• Phone: (830) 484-4625

• Board Certified:Urology

Wright, Frank MD

• Specialties:Primary Care, Wound Care
• Board Certified:Family Medicine
• Location:411 S. King St., Seguin, TX 78155
• Phone: (830) 484-4200

• Board Certified:Family Medicine

Wyatt, Jamison MD

• Specialties:Cardiology
• Board Certified:Internal MedicineCardiovascular Diseaseand Interventional Cardiology
• Location:479 Oxford Dr., Suite 104, New Braunfels, TX 78130
• Phone: (830) 214-0300

• Board Certified:Internal MedicineCardiovascular Diseaseand Interventional Cardiology

Y

Yoho, Jason MD

• Specialties:Cardiology
• Board Certified:Interventional CardiologyCardiovascular Disease & Internal Medicine
• Location:1255 Ashby St., Seguin, TX 78155
• Phone: (830) 590-8049

• Board Certified:Interventional CardiologyCardiovascular Disease & Internal Medicine

Z

Zhang, Xin MD

• Specialties:Physical Medicine (Physiatry)
• Location:1215 E. Court St., Seguin, TX 78155
• Phone: (830) 379-2411

Zincone, Dean MD

• Specialties:Primary Care
• Location:1355 E. Court St., Seguin, TX 78155
• Phone: (830) 401-4401