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

Choose a specialty or program:

Choose a specialty or programAnesthesiologyCardiologyCritical CareEar - Nose - ThroatEmergencyEndocrinologyGastroenterologyGeneral SurgeryHospital-Based PediatricsHospitalistsInternal MedicineMaternal-Fetal Medicine (MFM)NeonatologyNephrologyNeurologyObstetrics/GynecologyOncology/HematologyOphthalmologyOrthopedicsPalliative Care                    PathologyPediatric DentistryPediatricsPhysical Medicine (Physiatry)PodiatryPrimary CarePsychiatryRadiologySpineTeleneurologyUrologyVascular SurgeryWound Care

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A

Acosta, Sharron MD

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

• Board Certified:Ophthalmology

Alvarado, Antonio MD

• Specialties: Nephrology
• Board Certified: Internal Medicine & Nephrology
• Location:1410 E. Walnut Seguin, TX 78155
• Phone: (830) 549-5022

• Board Certified:Internal Medicine & Nephrology

Ammon, Jerry DO

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

• Board Certified:Anesthesiology

Arenas, Juan MD, CHCQM-PHYADV

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

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

B

Banks, Heather MD

• Specialties: Nephrology
• Board Certified: Nephrology
• Location:1410 E. Walnut Seguin, TX 78155
• Phone: (830) 549-5022

• Board Certified:Nephrology

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

Beste, Elizabeth MD, DABS

• Specialties: General Surgery
• Board Certified: General Surgery
• Location:417 S. King St. Cypress Building Seguin, TX 78155
• Phone: (830) 484-4606

• Board Certified:General Surgery

Bilir, Sule, MD

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

Bose, Rahul MD, FACC, FSCAI

• Specialties: Cardiology
• Board Certified: Interventional Cardiology & Cardiovascular Disease
• Location:1850 West State Hwy. 46, Suite 109 New Braunfels, TX 78132
• Phone: (830) 643-7000

• Board Certified:Interventional Cardiology & Cardiovascular Disease

Boullioun, Susan MD

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

• Board Certified:Family Medicine

Brannen, Jodi MD, FACOG

• Specialties: Obstetrics/Gynecology
• Board Certified: Obstetrics & Gynecology
• Location:1339 E. Court, Suite 230 Seguin, TX 78155
• Phone: (830) 372-0800

• Board Certified:Obstetrics & Gynecology

Burns, Al DDS

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

Burrus, Clint MD, FACOG

• Specialties: Obstetrics/Gynecology
• Board Certified: Obstetrics & Gynecology
• Location:1339 E. Court, Suite 240, Seguin, TX 78155
• Phone: (830) 372-2791

• Board Certified:Obstetrics & Gynecology

C

Castro, Rebecca MD

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

• Board Certified:Psychiatry

Cichowski, Andrew, MD

• Specialties: Neurology
• Board Certified: Neurology & Clinical Neurophysiology
• Location:417 S. King St., Seguin TX 78155
• Phone: (830) 484-4600

• Board Certified:Neurology & Clinical Neurophysiology

Cox, Winslett MD

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

Craig, William MD

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

• Board Certified:Cardiovascular Disease & Internal Medicine

D

Daggubati, Sreedevi MD

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

• Board Certified:Hematology & Oncology

DeArmond, Greg MD

• Specialties: General Surgery
• Board Certified: General Surgery
• Location:545 Creekside Crossing Suite 206, New Braunfels, TX 78130
• Phone: (830) 310 - 3491

• 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

Dwyer, Michael MD

• Specialties: General Surgery
• Board Certified: General Surgery
• Location:1255 Ashby St. Seguin, TX 78155
• Phone: (830) 372-2840

• Board Certified:General Surgery

E

Earnest, Brett MD

• Specialties: Primary Care
• Board Certified: Family Medicine
• Location: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.
• Phone: 830-433-7815

• Board Certified:Family Medicine

F

Fillman, Eric MD, FCAP

• Specialties: Pathology
• Board Certified: Clinical Pathology Anatomic Pathology Dermatopathology
• Location:1215 East Court Street, Seguin TX 78155
• Phone: (830) 401-7899

• Board Certified:Clinical Pathology Anatomic Pathology Dermatopathology

Flores, Tony MD

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

• Board Certified:Family Medicine & Geriatric Medicine

Frets, Robert MD

• Specialties: Internal Medicine, Primary Care
• Board Certified: Internal Medicine
• Location:1255 Ashby Street, Suite I Seguin, TX 78155
• Phone: (830) 372-1615

• Board Certified:Internal Medicine

G

Gallardo, Joshuae MD

• Specialties: Teleneurology
• Board Certified: Neurology & Epilepsy
• Location:1215 E. Court Street
• Phone: (830) 379-2411

• Board Certified:Neurology & Epilepsy

Garcia, Ronnie MD

• Specialties: Cardiology
• Board Certified: Cardiovascular Disease & Internal Medicine
• Location:303 E. Court 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. Seguin, TX 78155
• Phone: (830) 379-5867

• Board Certified:Anesthesiology

Garza, Zachary MD

• Specialties: Spine
• Board Certified: Orthopedic Surgery
• Location:18626 Hardy Oak Blvd Ste 300, San Antonio, TX 78258
• Phone: (210) 614-6432

• Board Certified:Orthopedic Surgery

Gates, Cameron MD

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

• Board Certified:Diagnostic Radiology

Gitterle, Marcus, MD

• Specialties: Wound Care
• Location:1215 E. Court St., Seguin TX 78155
• Phone: 830-401-7777

H

Hennessee, Jennifer MD

• Specialties: Ear - Nose - Throat
• Board Certified: Otolaryngology
• Location:1414 E. Walnut Seguin, TX 78155
• Phone: (830) 379-0299

• Board Certified:Otolaryngology

I

Iglesia, Greg MD

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

• Board Certified:Diagnostic Radiology

Ireland, Kayla 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

K

Kavanagh, Joseph MD

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

• Board Certified:Ophthalmology

Kirchner, Alyson MD, FACOG

• Specialties: Obstetrics/Gynecology
• Board Certified: Obstetrics & Gynecology
• Locations: 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
• Phone: (830) 379-1500

• Board Certified:Obstetrics & Gynecology

Kuo, Jack MD

• Specialties: Internal Medicine, Primary Care
• Board Certified: Internal Medicine
• Location:1356 E. Walnut 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 Seguin, TX 78155
• Phone: (830) 379-2411

• Board Certified:Family Medicine

Levett, Martin, MD

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

• Board Certified:Internal Medicine

Lopez-Glynn, Michele MD

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

M

Major, Dolores MD

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

• Board Certified:Anesthesiology

Mannel, George MD

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

• Board Certified:Obstetrics & Gynecology

Morales, Rey MD, FACS

• Specialties: General Surgery
• Board Certified: General Surgery
• Location:417 S. King St. Cypress Building Seguin, TX 78155
• Phone: (830) 484-4606

• Board Certified:General Surgery

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

N

Nash, Zach MD

• Specialties: Vascular Surgery
• Board Certified: General Surgery and Vascular Surgery
• Location:303 E. Court St. Seguin, TX 78155
• Phone: (830) 401-4880

• Board Certified:General Surgery and Vascular Surgery

Nolan, Charles MD

• Specialties: Palliative Care                    
• Board Certified: Hospice & Palliative Medicine Nephrology & Internal Medicine
• Location:1215 E. Court St. Seguin, TX 78155
• Phone: (830) 401-7474

• Board Certified:Hospice & Palliative Medicine Nephrology & Internal Medicine

O

Okorodudu, Daniel MD, MHS

• Specialties: Endocrinology
• Board Certified: Internal Medicine
• Locations: 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
• Phone: (830) 484-4204

• Board Certified:Internal Medicine

P

Pandey, Vikas MD

• Specialties: Teleneurology
• Board Certified: Neurology Vascular Neurology & Epilepsy
• Location:1215 E. Court St., Seguin TX 78155
• Phone: (830) 379-2411

• Board Certified:Neurology Vascular Neurology & Epilepsy

Penagaluru, Neena MD

• Specialties: Nephrology
• Board Certified: Internal Medicine
• Location:1410 E. Walnut Seguin, TX 78155
• Phone: (830) 549-5022

• Board Certified:Internal Medicine

Psolka, Maximilian MD

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

• Board Certified:Ophthalmology

Q

Quebedeaux, Terri DPM

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

R

Raetzsch, Thomas MD

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

• Board Certified:Family Medicine

Ramirez, Carmen, MD

• Specialties: Teleneurology
• Board Certified: Neurology
• Location:1215 E. Court St., Seguin TX 78155
• Phone: 830-379-2411

• Board Certified:Neurology

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

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

• Board Certified:Family Medicine

Rinn, Phillip MD

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

• Board Certified:Family Medicine

Rotts, Michael MD

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

Ryan, Robert MD

• Specialties: Urology
• Board Certified: Urology
• Locations: 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
• Phone: (830) 379-8491

• Board Certified:Urology

S

Sangha, Bhupinder MD

• Specialties: Critical Care, Internal Medicine, Nephrology
• Board Certified: Critical Care Medicine Nephrology & Internal Medicine
• Location:417 S. King St., Seguin, TX 78155
• Phone: (830) 484-4600

• Board Certified:Critical Care Medicine Nephrology & Internal Medicine

Schronk, Kenneth MD

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

• Board Certified:Anesthesiology

Schuerger, Joseph MD

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

• Board Certified:Family Medicine

Scott, Brian MD

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

• Board Certified:Neonatal-Perinatal Medicine & Pediatrics

Shapiro, Murray MD

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

• Board Certified:Diagnostic Radiology

Smith, Doug MD

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

• Board Certified:Diagnostic Radiology

Solomon, Howard MD

• Specialties: Urology
• Board Certified: Urology
• Location:1255 Ashby Seguin, TX 78155
• Phone: (830) 379-3046

• Board Certified:Urology

Stephens, Robert MD

• Specialties: Pediatrics
• Board Certified: Pediatrics
• Location:520 E. Donegan St Seguin, TX 78155
• Phone: (830) 379-6300

• Board Certified:Pediatrics

Sullivan, Linda DO

• Specialties: Primary Care
• Board Certified: Family Medicine
• Location:205 N King Street, Suite 200 Seguin, TX 78155
• Phone: (830) 379-5200

• Board Certified:Family Medicine

Swearingen, Stephen MD

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

• Board Certified:Diagnostic Radiology

T

Talbot, Nicole DO

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

• Board Certified:Family Medicine

Tamtam, Sankararao MD

• Specialties: Internal Medicine, Primary Care
• Board Certified: Internal Medicine
• Location:944 S. SH 123 Bypass Seguin, TX 78155
• Phone: (830) 379-3999

• Board Certified:Internal 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
• Location:1344 E. Walnut Seguin, TX 78155
• Phone: (830) 625-0009

• Board Certified:Orthopedic Surgery

V

Velez, Esteban DDS

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

W

White, Charles DPM

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

White, G. Steven MD

• Specialties: Orthopedics
• Board Certified: Orthopedic Surgery
• Location:280 S King Seguin, TX 78155
• Phone: (830) 379-9492

• Board Certified:Orthopedic Surgery

White, John MD

• Specialties: Urology
• Board Certified: Urology
• Locations: Seguin:417 S. King St, Seguin, TX 78155 New Braunfels:1761 S. TX 46, Suite 104, New Braunfels, TX 78130
• Phone: (830) 484-4625

• Board Certified:Urology

Wright, Frank MD

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

• Board Certified:Family Medicine

Y

Yoho, Jason MD

• Specialties: Cardiology
• Board Certified: Interventional Cardiology Cardiovascular Disease & Internal Medicine
• Location:545 Creekside Crossing Ste. 218, New Braunfels, TX 78130
• Phone: (830) 730 - 5953

• Board Certified:Interventional Cardiology Cardiovascular Disease & Internal Medicine

Z

Zhang, Xin MD

• Specialties: Physical Medicine (Physiatry)
• Location:1215 E. Court Seguin, TX 78155
• Phone: (830) 401-7723

Zincone, Dean MD

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