Dear Patient,

Gastro Center of Maryland is constantly working to ensure our patients have access to the care and resources they need in the safest possible setting. Our top priority is your health and safety.

IMPORTANT:

  • We require all patients coming into the office to wear face coverings to keep you and our staff safe.

To schedule please call 410-290-6677. As always, please contact us with any questions or concerns.

Sincerely,

Doctors and Staff of Gastro Center of Maryland

Gastro Center of Maryland

Gastroenterologists located in Annapolis, MD, Columbia, MD, Riverdale, MD, & Olney, MD

Gastro Center of Maryland, with locations in Annapolis, Columbia, Olney, and Riverdale Maryland, is a medical facility that offers treatment for a variety of gastrointestinal and liver disorders:

  • Management of a complete range of Gastrointestinal, Liver and Pancreatic disorders, including Acid reflux/GERD, Stomach ulcers, Celiac disease, Irritable bowel syndrome, Colitis & Crohn’s Disease, Liver disease, Hemorrhoids and Constipation, Rectal bleeding etc.
  • Onsite Ambulatory Surgery Centers with State of the Art HD equipment, GIQuiC participation, and with accreditation and Gold Seal of Approval® from The Joint Commission
  • Innovative and cutting edge Diagnostics and Medical Treatment- including Bravo pH Testing, SmartPill Motility testing, PillCam SB Capsule Endoscopy, Breath testing, STRETTA anti-reflux procedure, RESHAPE intragastric balloon procedure for weight loss and more.
  • IBD Infusion Center for Biologic (Remicade, Entyvio, Stelara) and Injectafer infusions
  • Clinical Trials Center with emerging technology and therapeutics

These are only a few of the many gastrointestinal conditions treated on a regular basis. Patients are offered individualized treatment plans based on state-of-the-art diagnostic tools and techniques that provide them with accurate and complete information. The professional staff at the facility has many years of experience to provide their patients with the most innovative and advanced treatments possible. The Providers focus on a comprehensive and Integrative treatment plan. Gastro Center of Maryland is currently welcoming new patients, call or book an appointment online!

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Gastro Center of Maryland, with locations in Annapolis, Columbia, Olney, and Riverdale Maryland, is a medical facility that offers treatment for a variety of gastrointestinal and liver disorders:

These are only a few of the many gastrointestinal conditions treated on a regular basis. Patients are offered individualized treatment plans based on state-of-the-art diagnostic tools and techniques that provide them with accurate and complete information. The professional staff at the facility has many years of experience to provide their patients with the most innovative and advanced treatments possible. The Providers focus on a comprehensive and Integrative treatment plan. Gastro Center of Maryland is currently welcoming new patients, call or book an appointment online!


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  • Rudy Rai, MD

    DR RAI IS CONSIDERED A NATIONAL THOUGHT LEADER AND EXPERT IN THE FIELD OF GASTROENTEROLOGY AND LIVER DISEASE. HE WAS NAMED A BALTIMORE MAGAZINE TOP DOCTOR IN 2016, 2017 AND 2019, 2021, 2022 AND A WASHINGTONIAN MAGAZINE TOP DOCTOR IN 2018 AND 2020. .

    DR RAI CURRENTLY SERVES AS THE MEDICAL DIRECTOR AT THE GASTRO CENTER OF MARYLAND. HE HAS SERVED ON THE MEDICAL FACULTY AT JOHNS HOPKINS UNIVERSITY IN THE DIVISION OF GASTROENTEROLOGY & HEPATOLOGY FOR MORE THAN 12 YEARS, WHERE HE SERVED AS MEDICAL DIRECTOR, ADULT LIVER TRANSPLANTATION.

    He is a Board-Certified Gastroenterologist & Hepatologist, with over 22 years of experience. He completed his Gastroenterology & Hepatology Fellowship at Johns Hopkins University in 1996 and completed an additional year of Advanced Fellowship at Johns Hopkins University.

    Dr Rai presents regularly at national and regional meetings and has received many awards including Excellence in Clinical Research Award from the American College of Gastroenterology, Passano Clinician Scientist Award from Johns Hopkins University, Industry Research Scholar Award & Astra-Merck Award from the American Digestive Health Foundation, among others. He has published dozens of scholarly articles in peer reviewed journals and authored many chapters for medical textbooks. He has performed over 100,000 procedures in this field and pioneered new and innovative medical techniques.

  • Eduardo Castillo, MD

    Eduardo Castillo, MD, is a board-certified physician, with specialties in both gastroenterology and hepatology. Dr. Castillo is committed to treating his patients with an exemplary level of care in a family atmosphere and is proud to offer his skills at the Gastro Center of Maryland located in Columbia and Olney, Maryland.

    Originally from Lima, Peru, Dr. Castillo received his medical degree from Lima’s prestigious Universidad Peruana Cayetano Heredia. He then traveled to Detroit, Michigan, for an internship, residency, and fellowship at the Henry Ford Hospital, where he served as chief medical resident of internal medicine and chief fellow for gastroenterology.

    Dr. Castillo has conducted a wide range of research on digestive issues, as well as liver cancer, cirrhosis, microscopic colitis, and peptic ulcer disease. In addition to being widely published, Dr. Castillo has presented his findings at national medical conferences. He’s also a member of the American Medical Association, the American Gastroenterological Association, and the American College of Gastroenterology, and is board-certified in internal medicine, gastroenterology, and hepatology.

    Dr. Castillo has a special interest in treating and preventing colon cancer, as well as treating hepatitis C, GERD, inflammatory bowel disease, and clostridium difficile infection.

  • Pia Prakash, MD

    Pia Prakash, MD, is a leading physician at the Gastro Center of Maryland in Columbia and Olney, Maryland. She is board certified in both gastroenterology and hepatology and is passionate about offering her patients personalized, compassionate care that meets their treatment goals.

    Dr. Prakash studied medicine at George Washington University School of Medicine in Washington D.C. After graduating, she completed a residency in internal medicine and a fellowship in gastroenterology, both at George Washington University. Dr. Prakash has also participated in a number of research studies, primarily focusing on colon cancer, inflammatory bowel disease (IBD), women’s health, and the impacts of celiac disease.

    Now at the Gastro Center of Maryland, Dr. Prakash treats a wide variety of conditions, including acid reflux, Crohn’s disease and ulcerative colitis, irritable bowel syndrome (IBS), celiac disease, colon cancer, hemorrhoids, and constipation. She also frequently treats acute and chronic liver disease. Dr. Prakash specializes in the use of capsule endoscopy in diagnosis, also known as PillCam®.

  • Farzin Rashti, MD, FACP

    Farzin Rashti, M.D., FACP is Board Certified in Gastroenterology & Hepatology and Internal Medicine and is dedicated to offering his patients superior personalized care in a respectful and supportive environment. Dr. Rashti works toward developing a partnership with his patients and forms a unique connection, which allows for a more individualized and targeted treatment plan.

    Dr. Rashti received his medical degree from the Howard University College of Medicine. He completed an internship year at the Los Angeles County University of Southern California Medical Center and completed his Internal Medicine residency and Gastroenterology and Hepatology Fellowship at Medstar Georgetown University Hospital/Washington Hospital Center in Washington, DC.

    Dr. Rashti has authored numerous scholarly articles and book chapters and has presented his research at national gastroenterology medical conferences. He has helped design and establish protocols for Fecal Microbiota Transplantation for the treatment of recurrent Clostridium Difficile infections. He is a Fellow of the American College of Physicians and is a member of the American Medical Association, American Gastroenterological Association, and American College of Gastroenterology.

    He treats patients with a wide variety of gastrointestinal disorders including Crohn’s Disease and Ulcerative Colitis (Inflammatory Bowel Disease), acid reflux and GERD, Irritable Bowel Syndrome, constipation, liver disease, biliopancreatic disorders, Celiac Disease, and Clostridium Difficile infections, in addition to many other ailments. Dr. Rashti specializes in performing advanced endoscopic procedures including Endoscopic Retrograde CholangioPancreatography (ERCP), Single Balloon Enteroscopy, Transoral Incisionless Fundoplication (TIF), Overstitch (endoscopic suturing), and the removal of advanced lesions.

  • Josh Rosenbloom, DO

    Josh Rosenbloom, DO, is a board-certified physician, gastroenterologist, and hepatologist at the Gastro Center of Maryland in Columbia and Olney, Maryland. He is committed to providing his patients with the best possible personalized care in a calming and professional environment.

    Dr. Rosenbloom received his medical degree from Des Moines University. After graduating, he continued his medical education at the St. John Providence health system through Michigan State University, completing a residency in internal medicine and a fellowship in gastroenterology. He also participated in research on nutrition, weight loss, hepatitis C, and improving colonoscopy preparation. Dr. Rosenbloom specializes in offering colorectal cancer screenings, weight loss assistance, pain management, and nutrition.

    Now treating patients at the Gastro Center of Maryland, Dr. Rosenbloom is experienced in treating a wide array of gastrointestinal, liver, and pancreatic diseases. He most frequently treats acid reflux and GERD, irritable bowel syndrome (IBS), ulcerative colitis, Crohn’s disease, constipation, liver disease, celiac disease, among others.

  • Dabo Xu, MD

    Dabo Xu, MD, is a board-certified physician in gastroenterology, hepatology, and internal medicine at the Gastro Center of Maryland, with locations in Columbia, Olney, and Annapolis, Maryland. Dr. Xu treats a wide variety of conditions at the practice, including gastroesophageal reflux disease (GERD), ulcerative colitis and Crohn’s disease, irritable bowel syndrome (IBS), celiac disease, colon cancer, liver disease, and other gastrointestinal conditions. 

    Dr. Xu completed his medical residency at St. Agnes Hospital, as well as a gastroenterology fellowship at the University of Michigan. He has conducted clinical and translational research on several topics, such as GERD, intestinal inflammation, liver diseases and cancers, and gastrointestinal pharmacology. His works were published in the most prestigious gastroenterology journals and presented at national and international medical conferences.

    He has more than 20 years of clinical experience in gastroenterology and hepatology. Dr. Xu has a special interest in preventive care, often working alongside patients to prevent disease and improve their quality of life through precise and effective personalized treatments.

    With a passion and dedication to patient experiences, Dr. Xu believes it’s important to build relationships with those in his care and enjoys helping patients find better health and wellness.

  • Emily Ohland, PA-C

     

    Bio Coming Soon!

  • Colleen Abell, CRNP

    Colleen Abell is a board-certified Family Nurse Practitioner. She graduated with a Master of Science in Nursing from Georgetown University in 2006. She has practiced as a nurse practitioner for the past sixteen years. Ms. Abell's experience includes working in a family medical clinic, but she spent most of her career providing care for patients recovering from Bariatric and GI surgical/oncology procedures. Prior to becoming a nurse practitioner, Ms. Abell worked as a Registered Nurse in cardiology and emergency medicine.

    Colleen joined the Gastro Center of Maryland in 2021 after relocating from the NY/NJ area. She is dedicated to being a great provider and advocate for her patients. Outside of work, Ms. Abell enjoys spending time with her husband and three boys.

  • Monica Lovins, CRNP

     

    Bio Coming Soon!

  • Hannah Clevenger, CRNP

    A native of Pasadena, Maryland, Hannah received her Bachelor of Science in Nursing from Stevenson University. Upon graduation, she worked as a Registered Nurse at The R Adams Cowley Shock Trauma Center in Baltimore. She then went on to obtain her Master of Science in Nursing in Family Nurse Practitioner from George Washington University. Hannah has also worked as a Clinical Supervisor for nursing students in their final semester at Stevenson University. 

    Serving the communities of Annapolis, Columbia, and Olney, Hannah is a board-certified Family Nurse Practitioner. She is passionate about reducing health disparities and providing preventative care. She takes pride in her ability to listen to her patients in order to provide individualized care. 

  • Adrienne Duncan, PA-C

    A Maryland native and graduate of the Physician Assistant Program at Marywood University, Adrienne Duncan completed much of her training at The George Washington University in DC. She graduated with first-place honors in clinical excellence and is currently a member of the AAPA and MAPA organizations.

    Prior to joining Gastro Center of Maryland, Mrs. Duncan served our community for 15 years in the emergency department at The George Washington University and Shady Grove Medical Center. She brings with her a love of people and a wealth of knowledge in both acute and chronic illness. Her focus is comprised of empowering patients with education and preventative medicine.

    Outside of the office, she enjoys spending time with her husband and three children hiking, skiing, traveling and celebrating holidays with family.

  • Elizabeth White, RN | Clinical Nurse Manager

    Elizabeth graduated nursing school in 1996, and most recently in 2013, she graduated with highest honors from The University of Texas Arlington with a BSN, Bachelor of Science in Nursing. She has worked as a registered nurse in various specialties in the area for the past twenty years, and has been with our organization since 2011. Her goal is to provide our clients with the best endoscopy experience! She is a natural leader and has a strong nursing staff to prove it. Elizabeth is interested in effectively improving individual’s healthy behaviors, and to help educate positive lifestyle changes to promote gastrointestinal health.

Major Insurance Providers Accepted

At Gastro Center of Maryland, we accept most major insurance plans. Here is a short-list of just some of the most popular plans we accept.

Click HERE for the Full Insurance List, or contact our office if you do not see your insurance provider listed.

Contact us!

AARP
Aetna
Allied Benefit Systems
Amerigroup
Bankers Life and Casualty Company
Blue Cross Blue Shield
CareFirst
CHAMPVA
Cigna
CoreSource
Corvel
GHI
Harvard Pilgrim Health Care
Humana
Maryland Physicians Care
Mutual of Omaha

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