We have moved to our new address!

Conley Corporate Center Building 3
7109 Guilford Dr Suite 300
Frederick, MD 21704

Important news regarding Cigna!

We are happy to announce that Frederick Gastroenterology Associates is now in network with Cigna. Please contact Cigna Customer Service to confirm your specific plan participation.

Welcome to Frederick Gastroenterology Associates


Your choice for gastroenterology care in Frederick, MD.

Located in the heart of Frederick, Frederick Gastroenterology Associates provides state-of-the-art care to patients enabling the best digestive health possible. We understand that you need experienced gastroenterologists you can trust and that's what our practice is about. We're your neighbors. As leading gastroenterologists in Frederick, we are dedicated to helping our patients maintain their digestive health, and we strive to make it as easy and convenient as possible for you.

This website gives you easy access to our Frederick gastroenterology practice, including directions, hours of operations, payment policies, and information about our doctors and our services. It also includes a library of informative articles that describe the various diagnoses, treatments and technologies associated with digestive health care.

Our team of experienced gastroenterology professionals in Frederick looks forward to helping you maintain your best health.

The doctors and staff would like to welcome you to our practice and thank you for the confidence you have shown in us. New patients are welcome and we appreciate your referral. We want to provide you with the highest standard of medical care currently available and feel that the key to a good patient-physician relationship is an open line of communication.

Please feel free to convey any questions about your care at the time of your visit. We appreciate your selection of this office to serve your medical needs and we will do all we can to provide you with the very best gastroenterology care.

Type of practice

Our practice is limited to adult Gastroenterology. This is a subspecialty of Internal Medicine and involves diseases of the esophagus, stomach, small intestine, colon, liver, gallbladder and pancreas.

Our Physicians

  • Nelson Chuang
    MD, PhD

    Medical Degree: Robert Wood Johnson Medical School
    Residency: Montefiore Medical Center
    Fellowship: University of Maryland

  • Thomas A. Huebner

    Medical Degree: Eastern Virginia Medical School 
    Residency: University of Maryland 
    Fellowship: G.I. Pathology Johns Hopkins Hospital  

  • Ali J. Husain

    Rhodes Scholar: Balliol College Medical Degree: Washington University, St. Louis
    Residency: Stanford University
    Fellowship: University of Iowa Hospital  

  • Natasha Kamal

    Medical Degree: University of Maryland
    Residency: Icahn School of Medicine Mt. Sinai
    Fellowship: National Institute of Health
    IBD Fellowship: University of Maryland

  • Andrew D. Mowery

    Medical Degree: Philadelphia College of Osteopathic Medicine
    Residency: Geisinger Health Systems
    Fellowship: Geisinger Health Systems
    Interventional Gastroenterology: Virginia Commonwealth University  

  • Eiman Nabi,

    Medical Degree: Weill Cornell Medical College Doha, Qatar, NYC, New York
    Residency: Virginia Commonwealth University Health System
    Fellowship: Virginia Commonwealth University Health System  

  • Weiming Yan
    MD, PhD

    Medical Degree: Ohio State University
    Residency: Georgetown University Hospital
    Fellowship: West Virginia University

  • Dawei Yang
    MD, PhD

    Medical Degree: Case Western Reserve
    Residency: Case Western Reserve
    Fellowship: Johns Hopkins Hospital  

  • Matthew Yeatman

    Medical Degree: University of Maryland
    Residency: Johns Hopkins Hospital
    Fellowship: Johns Hopkins Hospital  

Our Locations