Coastal Gastroenterology Associates

Expert Digestive Care, Close to Home

For over 20 years, Coastal Gastroenterology Associates has provided compassionate, board-certified gastroenterology and hepatology care to the Houston Bay Area community. From routine screenings to complex liver conditions, our experienced team is here for you every step of the way.

Our Services

We offer a full range of gastrointestinal and hepatology services, from preventive screenings to advanced diagnostic procedures and ongoing condition management.

Colonoscopy

The gold standard for colon cancer screening and prevention. Our physicians perform thorough, gentle screenings in a comfortable setting.

EGD (Upper Endoscopy)

A minimally invasive procedure to examine your upper digestive tract, helping diagnose and treat acid reflux, ulcers, and other conditions.

Liver Disease

Comprehensive liver care including fatty liver disease, hepatitis, and advanced FibroScan assessment for fibrosis staging.

IBS

Personalized treatment plans for irritable bowel syndrome, helping you manage symptoms and improve your quality of life.

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Meet Our Physicians

Our board-certified team brings decades of combined experience in gastroenterology and hepatology. Every physician is dedicated to providing thorough, compassionate care.

AM

Dr. Advitya Malhotra

MD — Gastroenterology & Hepatology

20+ years serving the Galveston County community. Colon cancer prevention, liver disease, and IBD specialist.

KS

Dr. K. Subramanyam

MD — Gastroenterology & Hepatology

Nearly 30 years of private practice. Proficient in EGD, colonoscopy, and ERCP.

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Dr. Monty Singh

MD, MBA — Gastroenterology & Hepatology

Focus on GI cancer prevention, acid reflux, IBS, and IBD. Fluent in English, Hindi, and Punjabi.

MK

Dr. Mahvish Khalid

MD — Gastroenterology

Patient-centered approach. Gastric/esophageal disorders, liver diseases, and cancer screening.

Meet the Full Team

Specialized Programs

Virtual Weight Loss Clinic

Our physician-supervised virtual weight loss program provides personalized plans, ongoing support, and the convenience of telehealth visits. Take the first step toward a healthier you.

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FibroScan Assessment

Non-invasive liver assessment using state-of-the-art FibroScan technology. Get accurate fibrosis staging without a biopsy, right in our office.

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Four Convenient Locations

Serving the entire Houston Bay Area with offices in Webster, Texas City, Baytown, and Pasadena.

Main Office

Webster / Clear Lake

1015 W Medical Center Blvd
Webster, TX 77598

(281) 557-2527

Texas City

7111 Medical Center Drive, 2nd Floor
Texas City, TX 77591

(281) 557-2527

Baytown

4002 Garth Road, Suite 140-B
Baytown, TX 77521

(281) 557-2527

Pasadena

5150 Crenshaw Rd, Suite B150
Pasadena, TX 77505

(281) 557-2527

Get Directions

Ready to Take the Next Step?

Whether you need a routine screening or have a specific concern, our team is here to help. Scheduling an appointment is easy.

Request Appointment