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We are pleased to announce we now have offices in McAllen, Brownsville and HarlingenSee Our Locations We are pleased to announce we now have offices in McAllen, Brownsville and HarlingenSee Our Locations

Why Patients Choose imgWhy Patients Choose Texas Digestive Specialists for Digestive Care

Since 2007, Texas Digestive Specialists has grown into South Texas' premier digestive health practice, bringing together a highly trained team dedicated to compassionate, timely, and patient-centered care. With expertise spanning gastroenterology, colon and rectal surgery care, and advanced weight loss treatment, our specialists are committed to accurately diagnosing symptoms, restoring digestive health, and helping patients prevent future issues so they can enjoy life to the fullest with greater confidence.
Our SpecialtiesComplete Digestive Care
  • Gastroenterology Services

    Adult digestive care, diagnostics, endoscopy, and long-term GI management.

  • Colon & Rectal Surgery Services

    Specialized care for colorectal conditions with minimally invasive treatment options.

  • Advanced Weight Loss Center

    Surgical and non-surgical weight loss solutions with bariatric and foregut expertise.

  • Pediatric Digestive Care

    Our pediatric team specializes in digestive disorders and restoring health for your children.

Our Providers iconMeet Our Providers
We have a team of highly trained and dedicated healthcare specialists who provide compassionate and timely care for every patient.
  • NOLAN E. PEREZ, MD, FACP, FACG - Profile Picture
    Nolan E. Perez, MD, FACP, FACGGastroenterology
  • Mihaela Ringheanu, MD - Profile Picture
    Mihaela Ringheanu, MDPediatric Gastroenterology
  • Alberto Peña, MD, FACS, FASCRS - Profile Picture
    Alberto Peña, MD, FACS, FASCRSColon & Rectal Surgery
  • Michael J. Martinez, MD - Profile Picture
    Michael J. Martinez, MDBariatric & Foregut Surgery
Review StarPatient ReviewsWhat Patients Are Saying
  • The nurses were great everybody was happy smiling they did a really good job taking care of me I will recommend this place to my family and friends thank you very much
    ~ Happy Patient ~
  • Wonderful attitude from all the personnel and the doctor. Everyone listens attentive to one's concerns. Before jumping into conclusions or plans, the doctor investigates first through different test. ...
    ~ Happy Patient ~
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Our PracticeLocations & Directions
Adult Locations
  • 4211 N Jackson Rd
    McAllen, TX 78504

  • 305 Lorenaly Drive
    Brownsville, TX 78526

  • 512 Victoria Lane
    Suite 2
    Harlingen, TX 78550

Pediatric Locations
  • 4211 N Jackson Rd
    McAllen, TX 78504

  • 512 Victoria Lane
    Suite 14
    Harlingen, TX 78550