Doctor Directory

A comprehensive resource guide including our annual Top Doctors list as well as other medical professionals in the Baltimore area.

Eduardo Castillo, MD

7120 Minstrel Way, Suite 100, Columbia, MD, 21045


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Specialty | Gastroenterology

Location | Columbia

Founded by Dr. Rudy Rai in 2006, Gastro Center of Maryland (GCM) is a multilocation gastroenterology (GI) practice that specializes in and treats a wide variety of GI and liver diseases through diagnostic and therapeutic procedures. GCM is comprised of six providers and five advanced practitioners who provide exceptional service to patients.
GCM offers in-office visits, telemedicine, on-site ambulatory surgery centers in each office, in-house pathology, multilingual providers, clinical research, and infusion centers, all for the patient’s convenience. GCM’s mission is to positively contribute to the health and well-being of its patients by providing the best care through integrated clinical practice, education, and research.
GCM’s clinical research department brings experience and knowledge to clinical trials that enable patients to access advanced technology and therapies before they are readily available to the public.
Dr. Rai has been named a Baltimore magazine Top Doctor in 2016, 2017, 2019, and 2021 and a Washingtonian magazine Top Doctor in 2018 and 2020. Visit Website