3 Best Gastroenterologists in San Antonio, TX

Expert-recommended Top 3 Gastroenterologists in San Antonio, Texas. All of our gastroenterologists actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

8+ YEARS IN TBR

RUSSELL HAVRANEK, MD

8550 Datapoint Drive, Suite 200,
San Antonio, TX 78229 Directions

Since 2005

Specialty:

Abdominal Pain Anal Fissure Celiac Disease Colon Cancer Constipation Crohn’s Disease Diarrhea Difficulty Swallowing Diverticulosis and Diverticulitis Gas and Bloating GERD Irritable Bowel Syndrome H. pylori Hemorrhoids Hemorrhoid Rectal Bleeding SIBO Ulcerative Colitis Colonoscopy Capsule Endoscopy Hemorrhoid Banding Breath Test Upper Endoscopy Stomach Pain Heartburn

" Dr. Russell Havranek completed his post-graduate training in internal medicine and gastroenterology at the UT Health Science Center at San Antonio. He earned his M.D. from the University of Nebraska College of Medicine, following his B.S. from the University of Nebraska. He helps to spread colon cancer awareness in the San Antonio community by participating in local events. Dr. Russell has performed more than 15,000 colonoscopy procedures. He has a special interest in the treatment of IBD and IBS digestive conditions. He offers the highest quality and most advanced gastrointestinal care to his patients. The Consumers Research Council of America also lists him as one of the best gastroenterologists in the country.

2026 Highlights: He specializes in expert care for hemorrhoids, comprehensive colon cancer screenings, and the treatment of all digestive conditions. "

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License #K8633

Contact:

(210) 615-8308

Mon-Thu: 8am - 4:30pm
Fri: 8am - 12pm
Sat & Sun: Closed

TBR® Inspection Report:

3+ YEARS IN TBR
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ZAREMA SINGSON, MD

GASTROENTEROLOGY CONSULTANTS OF SAN ANTONIO
5223 Hamilton Wolfe,
San Antonio, TX 78229 Directions

Since 2006

Specialty:

Acid Reflux Fatty Liver Pancreatic Cancer Screening Service and Hemorrhoid Banding Easy-Prep Colonoscopy Advanced Endoscopy Acute Gastrointestinal Bleeding Gastroenteritis

" Dr. Zarema Singson obtained her medical degree from the UT Health Science Center in San Antonio. She completed her residency and fellowship training at the University of California, Irvine, where she served as Chief Resident and received an award for her research on innovative methods in polyp detection and analysis. Dr. Zarema Singson is skilled in all areas of gastroenterology with a special interest in inflammatory bowel disease, colon cancer prevention, women’s GI health, hepatology, and obesity as it relates to GI disorders. Dr. Singson is a GI doctor in San Antonio. She practices at Gastroenterology Consultants of San Antonio, a leading private gastroenterology practice established in 1978. The practice is home to 29 board-certified gastroenterologists dedicated to providing comprehensive and personalized care for digestive and liver conditions.

2026 Highlights: She has over 15 years of experience in the medical field. She is affiliated with medical facilities such as Methodist Hospital Specialty and Transplant and Methodist Hospital. "

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License #P4383

Contact:

(210) 614-1234

Mon-Thu: 8am - 5pm
Fri: 8am - 12pm
Sat & Sun: Closed

TBR® Inspection Report:

James F. Jackson, MD - San Antonio, TX Gastroenterologists - Doctor Portrait Image
James F. Jackson, MD - San Antonio, TX Gastroenterologists - Clinic Exterior Image
James F. Jackson, MD - San Antonio, TX Gastroenterologists - Clinic Logo
6+ YEARS IN TBR
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JAMES F. JACKSON, MD

GASTROENTEROLOGY CONSULTANTS OF SAN ANTONIO
18707 Hardy Oak Boulevard, #225,
San Antonio, TX 78258 Directions

Since 2006

Specialty:

Gastroesophageal Reflux Disease Chronic Digestive Conditions Fatty Liver Colonic Polyps Pancreatic Cancer Screening and Hemorrhoid Banding Therapeutic and Advanced Endoscopy Ercp Gastroenterology and Hepatology Easy-Prep Colonoscopy Services Flexible Sigmoidoscopy Wireless Capsule Endoscopy Obesity Related to GI Disorders

" Dr. James F. Jackson is a board-certified gastroenterologist in San Antonio. He completed his medical degree from the University of Texas Health Science Center at San Antonio. His academic interests have led to publications in prestigious journals such as the American Journal of Gastroenterology, Inflammatory Bowel Diseases, and The American Journal of Medical Sciences. His interests include general gastroenterology and hepatology, which include therapeutic endoscopy, capsule endoscopy, and ERCP, and he has extensive training in the management of inflammatory bowel diseases, Crohn’s disease, and ulcerative colitis. He currently serves as the Chief of Gastroenterology at Methodist Stone Oak Hospital.

2026 Highlights: Dr. James F. Jackson has over 25 years of experience in the medical field. He is affiliated with medical facilities Methodist Hospital Stone Oak and Baptist Medical Center. "

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License #M5774

Contact:

(210) 614-1234

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

TBR® Inspection Report: