The 20 Best Colonoscopy Doctors near San Antonio, TX

Find the Experts and Specialists who perform Colonoscopy

The 20 Best Colonoscopy Doctors near San Antonio, TX

Last Updated: 02/22/2026

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MediFind found 143 doctor with experience in Colonoscopy near San Antonio, TX. Of these, 134 are Experienced and 9 are Advanced.

Location
LocationClose
143 providers found
    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery

    Texas Oncology Surgical Subspecialists - Colorectal Surgery

    1200 Brooklyn Ave Ste 115, 
    San Antonio, TX 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Brano Djenic is a Colorectal Surgeon in San Antonio, Texas. Dr. Djenic is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Colorectal Cancer, Lynch Syndrome, Colorectal Cancer, Hernia Surgery, and Colostomy.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery

    The Start Center For Cancer Care

    1303 McCullough Ave Ste 265, 
    San Antonio, TX 
     (2.7 miles away)
    Languages Spoken:
    English

    Randall Rogers is a Colorectal Surgeon in San Antonio, Texas. Dr. Rogers is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hemorrhoids, Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Ileostomy, and Hernia Surgery.

    R A. Noel
    Experienced in Colonoscopy
    Pediatric Gastroenterology
    Experienced in Colonoscopy
    Pediatric Gastroenterology

    Children's - Gastroenterology Clinic

    333 N. Santa Rosa St., 1st Floor, Floor 4, 
    San Antonio, TX 
     (0.3 miles away)
    Languages Spoken:
    English

    R Noel is a Pediatric Gastroenterologist in San Antonio, Texas. Dr. Noel is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Childhood Pancreatitis, Hereditary Pancreatitis, Chronic Pancreatitis, Small Bowel Resection, and Endoscopy.

    Learn about our expert tiers
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    UHS Acute Care Robert B Green Campus

    903 W Martin St, 
    San Antonio, TX 
     (0.6 miles away)
    Languages Spoken:
    English

    Karolina Dziadkowiec is a Gastroenterologist in San Antonio, Texas. Dr. Dziadkowiec is rated as an Advanced provider by MediFind in Colonoscopy. Her top areas of expertise are Gastrointestinal Bleeding, Proctitis, Diarrhea, Colonoscopy, and Endoscopy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    San Antonio Gastroenterology Associates

    520 E Euclid Ave, 
    San Antonio, TX 
     (1.1 miles away)
    Languages Spoken:
    English

    Antonio Serna is a Gastroenterologist in San Antonio, Texas. Dr. Serna is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Bleeding, Esophageal Varices, Chronic Erosive Gastritis, Gastrectomy, and Gastrostomy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    San Antonio Gastroenterology Endoscopy Center-Downton

    520 E Euclid Ave, 
    San Antonio, TX 
     (1.1 miles away)
    Languages Spoken:
    English

    Mohammad Taheri is a Gastroenterologist in San Antonio, Texas. Dr. Taheri is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Bleeding, Chronic Erosive Gastritis, Swallowing Difficulty, Gastrectomy, and Gastrostomy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    San Antonio Gastroenterology Associates

    520 E Euclid Ave, 
    San Antonio, TX 
     (1.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kevin Franklin is a Gastroenterologist in San Antonio, Texas. Dr. Franklin is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Chronic Erosive Gastritis, Swallowing Difficulty, Painful Swallowing, Gastrectomy, and Gastrostomy.

    Advanced in Colonoscopy
    General Surgery
    Advanced in Colonoscopy
    General Surgery

    Alamo Heights Medical Clinic PLLC

    1419 Austin Hwy, 
    San Antonio, TX 
     (5.0 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Ashwini Kumar is a General Surgeon in San Antonio, Texas. Dr. Kumar is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Cholecystitis, Gallbladder Disease, Choledocholithiasis, Hernia Surgery, and Colonoscopy. Dr. Kumar is currently accepting new patients.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    UHS Acute Care Robert B Green Campus

    903 W Martin St, 
    San Antonio, TX 
     (0.6 miles away)
    Languages Spoken:
    English

    Juan Echavarria is a Gastroenterologist in San Antonio, Texas. Dr. Echavarria is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Mesenteric Artery Ischemia, Chronic Pancreatitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    UHS Acute Care Robert B Green Campus

    903 W Martin St, 
    San Antonio, TX 
     (0.6 miles away)
    Languages Spoken:
    English

    Randy Wright is a Gastroenterologist in San Antonio, Texas. Dr. Wright is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Esophageal Varices, Viral Gastroenteritis, Mesenteric Artery Ischemia, Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Baptist Medical Center

    111 Dallas St, 
    San Antonio, TX 
     (0.6 miles away)
    Languages Spoken:
    English

    Faiz Mirza is a Gastroenterologist in San Antonio, Texas. Dr. Mirza is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Esophagitis, Painful Swallowing, Swallowing Difficulty, Gastrectomy, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Baptist Medical Center

    111 Dallas St, 
    San Antonio, TX 
     (0.6 miles away)
    Languages Spoken:
    English

    Nhi Pham is an Internal Medicine provider in San Antonio, Texas. Dr. Pham is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are End-Stage Renal Disease (ESRD), Arteriovenous Malformation, Liver Failure, Gastrostomy, and Pacemaker Implantation.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Baptist Medical Center

    111 Dallas St, 
    San Antonio, TX 
     (0.6 miles away)
    Languages Spoken:
    English

    Navaid Khan is a Family Medicine provider in San Antonio, Texas. Dr. Khan is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gallbladder Disease, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Texas Digestive Disease Consultants PA

    621 Camden St Ste 202, 
    San Antonio, TX 
     (0.9 miles away)
    Languages Spoken:
    English

    Bijo K John is a Gastroenterologist in San Antonio, Texas. Dr. K John is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Esophageal Varices, Macroamylasemia, Alcoholic Cirrhosis, Endoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Texas Digestive Disease Consultants PA

    621 Camden St Ste 202, 
    San Antonio, TX 
     (0.9 miles away)
    Languages Spoken:
    English

    Jan Prazak is a Gastroenterologist in San Antonio, Texas. Dr. Prazak is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Diverticular Disease, Esophageal Varices, Gastric Dysmotility, Gastrectomy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Texas Digestive Disease Consultants: San Antonio - Pearl Brewery/Riverwalk

    621 Camden St Ste 202, 
    San Antonio, TX 
     (0.9 miles away)
    Languages Spoken:
    English

    Kevin Dasher is a Gastroenterologist in San Antonio, Texas. Dr. Dasher is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Jaundice, Esophageal Varices, Hepatitis, Endoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Office

    621 Camden St Ste 202, 
    San Antonio, TX 
     (0.9 miles away)
    Languages Spoken:
    English

    Ravi Ganeshappa is a Gastroenterologist in San Antonio, Texas. Dr. Ganeshappa is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Office

    621 Camden St Ste 202, 
    San Antonio, TX 
     (0.9 miles away)
    Languages Spoken:
    English

    Meher Mavuram is a Gastroenterologist in San Antonio, Texas. Dr. Mavuram is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Portal Hypertension, Chronic Erosive Gastritis, Esophageal Varices, Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Tamara J. Merchant-McCambry MD PLLC

    621 Camden St, 
    San Antonio, TX 
     (0.9 miles away)
    Languages Spoken:
    English

    Amit Goyal is a Gastroenterologist in San Antonio, Texas. Dr. Goyal is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    San Antonio Gastroenterology Associates: Downtown

    520 E Euclid Ave, 
    San Antonio, TX 
     (1.1 miles away)
    Languages Spoken:
    English

    John J Alvarez is a Gastroenterologist in San Antonio, Texas. Dr. J Alvarez is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Bile Duct Obstruction, Cholestasis, Bile Duct Stricture, Endoscopy, and Gastrostomy.

    Showing 1-20 of 143

    Last Updated: 02/22/2026

    What is the definition of Colonoscopy?

    A colonoscopy is an exam that views the inside of the colon (large intestine) and rectum, using a tool called a colonoscope.

    The colonoscope has a small camera attached to a flexible tube that can reach the entire length of the colon.

    When should I see a Colonoscopy doctor near San Antonio, TX?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Colonoscopy doctor near San Antonio, TX?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Colonoscopy doctors near San Antonio, TX?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Colonoscopy doctors near San Antonio, TX?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Colonoscopy doctor near San Antonio, TX?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Colonoscopy doctor search results page. 

    Why is it important to get a second opinion from a different Colonoscopy doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Colonoscopy doctor near San Antonio, TX?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Colonoscopy doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Colonoscopy doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Colonoscopy doctors near San Antonio, TX?

    Look for the filter feature on the left side of the Colonoscopy doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Colonoscopy doctor that offers video calls?

    Look for the filter feature on the left-side of the Colonoscopy doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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