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    • Health services
      • Providing great health care is our goal.
        • About WellMed
        • Your care team
        • Virtual video visits
        • Clinical program services
        • Specialists for Health
        • Transitional care
        • Services and specialties
        • Extended hours clinics

        • Become a WellMed patient

          Our goal is simple, to provide the best care so you can live your best life.

          Request an appointment
    • Patient resources
      • Take a look at what makes WellMed great.
        • Patient portal
        • Patient forms
        • Bill pay
        • Wellmed Charitable Foundation
        • Insurance plans accepted
        • Our network
        • Economic Security Assistance

        • Become a WellMed patient

          Our goal is simple, to provide the best care so you can live your best life.

          Request an appointment
    • Events & media

        • Events

          We bring events to help you connect with your community because your health matters.

          Find events near you

        • Media

          Age healthy now blog
        • Docs in a Pod
        • In the news
        • Our stories

          • Substance abuse and addiction in older adults: a growing health concern

            Aug. 12, 2026

          • Managing chronic inflammation for better long-term health

            Aug. 12, 2026

          • Can diabetes cause your back to hurt?

            Aug. 10, 2026

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Texas Digestive Disease Consultants PLLC Store Front

Texas Digestive Disease Consultants PLLC

4100 S Shepherd Dr
Houston, TX  77098
Driving Directions

View our clinicians
Call 1-713-795-4444 to schedule

Languages spoken

English
Print Email
Call 1-713-795-4444 to schedule

Languages spoken

English
Print Email
Print Email

Texas Digestive Disease Consultants PLLC
Call location1-713-795-4444
Get directions 4100 S Shepherd Dr
Houston,  TX 77098
Fax number1-713-795-5254
Call location1-713-795-4444
Get directions 4100 S Shepherd Dr
Houston,  TX 77098
Fax number1-713-795-5254

Office Hours

Sunday Closed
Monday 8:00 a.m. to 5:00 p.m.
Tuesday 8:00 a.m. to 5:00 p.m.
Wednesday 8:00 a.m. to 5:00 p.m.
Thursday 8:00 a.m. to 5:00 p.m.
Friday 8:00 a.m. to 5:00 p.m.
Saturday Closed

Our clinicians

Harshinie C. Amaratunge, MD practices Gastroenterology in Houston
Harshinie C. Amaratunge, MD
Gastroenterology
Call 1-713-795-4444 View profile
Dang M. Nguyen, MD practices Gastroenterology in Houston
Dang M. Nguyen, MD
Gastroenterology
Call 1-713-795-4444 View profile
Isaac L. Raijman, MD practices Gastroenterology in Houston
Isaac L. Raijman, MD
Gastroenterology
Call 1-713-795-4444 View profile

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WellMed is committed to delivering high-quality, value-based care through coordinated, physician-led teams focused on prevention and patient-centered support.

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