Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Raja Taunk, MD, is board certified in internal medicine and gastroenterology. He provides a wide range of gastroenterology care at Anne Arundel Gastroenterology Associates, P.A. in Annapolis and Bowie, Maryland.
Raised in New Jersey, Dr. Taunk graduated magna cum laude from Tufts University in Medford, Massachusetts, where he competed on the crew team. He then earned his medical degree at Rutgers New Jersey Medical School, where he was elected into the Alpha Omega Alpha Honor Medical Society.
Dr. Taunk completed his internal medicine residency at New York-Presbyterian/Weill Cornell Medical Center, followed by fellowship training in gastroenterology at Lenox Hill Hospital in Manhattan. He has authored scientific papers and book chapters, conducted research, and lectured in the field of gastroenterology and hepatology. He was also featured and invited to speak on the Dr. Oz television show.
Dr. Taunk holds a national leadership position on the ethics committee of the American Gastroenterological Association. His areas of interest include inflammatory bowel disease, colon cancer screening, acid reflux, and complex polypectomy.
Dr. Taunk is an avid traveler and has run with the bulls in Spain. He is a certified scuba diver, a novice golfer, and an avid sports fan.
Patryk Madrid, DNP, FNP-C, is a gastroenterology nurse practitioner at Anne Arundel Gastroenterology Associates, P.A., serving patients in Annapolis and surrounding areas.
Dr. Madrid completed his undergraduate studies at Arizona State University in Kinesiology and Health Sciences, and at Warner Pacific University in Nursing. He received his nurse practitioner doctoral degree from the Johns Hopkins University in Baltimore, Maryland.
Dr. Madrid has worked in several healthcare roles for over 15 years including endoscopy, oncology, education, emergency medicine, integrative medicine, and military healthcare administration. Dr. Madrid is a member of the Gastroenterology and Hepatology Advanced Practice Providers (GHAPP) and the American Association of Nurse Practitioner (AANP). Most recently, Dr. Madrid held a faculty position with the Johns Hopkins School of Nursing teaching gastroenterology, health assessment, pathophysiology, and other nursing education.
Dr. Madrid strives to deliver high-quality healthcare that is empathetic, comprehensive, and equitable. His clinical approach is integrative with an understanding that treatment plans are uniquely tailored to each patient. Outside of work, Dr. Madrid enjoys reading comics, indoor cycling, being outside, and spending time with his husband, dogs, and cats.
Praveena G. Velamati, MD, is a board-certified gastroenterologist at Anne Arundel Gastroenterology Associates, P.A., serving patients in Annapolis and Odenton, Maryland.
Dr. Velamati completed an accelerated bachelor's and medical degree program at Eastern Virginia Medical School, followed by her internal medicine residency at Carolinas Medical Center in Charlotte, North Carolina.
She then pursued her gastroenterology fellowship at Johns Hopkins Bayview Medical Center in Baltimore, Maryland, where she served as chief fellow during her final year and received the Service Excellence Award for outstanding patient care and compassion. While at Johns Hopkins, Dr. Velamati also published scientific papers in the fields of digestive diseases and hepatology.
Dr. Velamati specializes in general gastroenterology with a focus on women’s health issues. Board certified in gastroenterology, she was voted Top Docs from 2015-2016 for gastroenterology by What’s Up? Magazine – Annapolis by area physicians.
Dr. Velamati has lived in the area for over 10 years with her husband and two children. She enjoys traveling, gardening, and football.
Melanie L. Jackson, MD, FACG, is a gastroenterologist at Anne Arundel Gastroenterology Associates, P.A., serving patients in Annapolis and Bowie, Maryland.
Dr. Jackson is a native of Philadelphia and graduated cum laude from Morgan State University in Baltimore, Maryland. She received her medical degree from Howard University College of Medicine in Washington, DC, and was elected to the Alpha Omega Alpha Honor Medical Society.
Dr. Jackson served her residency in internal medicine at New York-Presbyterian Hospital in New York and completed her gastroenterology fellowship at MedStar Washington Hospital Center in Washington, DC. Her additional postgraduate training included a hepatology research program at the National Institutes of Health in Maryland.
She is affiliated with the American Gastroenterology Association, American Society of Gastrointestinal Endoscopy, and National Medical Association. Dr. Jackson is board certified in gastroenterology and a fellow of the American College of Gastroenterology (FACG). She has published several papers regarding digestive care and has appeared on local television and radio as a digestive health expert.
Dr. Jackson has special interests in colon cancer awareness, nutrition, and liver disease. She is a member of the Delta Sigma Theta Sorority, Inc.
Mark Flasar, MD, MS, is a board-certified gastroenterologist at Anne Arundel Gastroenterology Associates, P.A. in Annapolis and Pasadena, Maryland. Dr. Flasar advocates using patient education to inform shared decision-making and has a special interest in inflammatory bowel diseases, small intestine disorders, and general gastroenterology.
A local Marylander, Dr. Flasar graduated from the University of Maryland, College Park in 1996. A committed Terrapin, he earned his medical degree from the University of Maryland School of Medicine in Baltimore, where he was elected into the Alpha Omega Alpha Honor Medical Society.
Dr. Flasar completed his internal medicine residency at Duke University before returning to the University of Maryland in 2004 for his gastroenterology and hepatology fellowship. While there, he obtained a master’s degree in clinical research and completed an externship in inflammatory bowel diseases at the University of North Carolina at Chapel Hill.
At the University of Maryland School of Medicine, Dr. Flasar has been a faculty member in addition to serving as the associate director of the inflammatory bowel disease program and a fellowship training director in the Division of Gastroenterology and Hepatology. He has held national leadership positions within the American Gastroenterology Association and the Crohn’s & Colitis Foundation of America. He also serves as a review and section editor for several scientific journals.
Dr. Flasar found his calling in medicine and narrowly escaped attending art school. In his free time, he is passionate about local sports.
Dr Urooj Ahmed is a board-certified gastroenterologist and hepatologist with over twenty years of experience in diagnosing and treating a wide range of gastrointestinal and liver diseases. He is available to see patients now at Gastro Center of Maryland at their Columbia, Olney and Annapolis locations.
Dr Ahmed completed Internal Medicine Residency from St. Luke’s Roosevelt Hospital of Columbia University, New York and gastroenterology & hepatology fellowship from Medical College of Georgia, Augusta. He participated in a number of research studied and completed additional advance fellowship training.
Dr Ahmed is committed to providing personalized and compassionate care to his patients. He specializes in managing a wide range of gastrointestinal conditions including peptic ulcer disease, gastroesophageal reflux disease (GERD), Crohn’s disease, Ulcerative Colitis, pancreaticobiliary disorders, constipation, Celiac disease, GI bleeding, liver disease as well as colorectal cancer screening and more according to the latest medical advancements. He performs various endoscopy and colonoscopy procedures and tries to ensure that his patients receive an accurate diagnosis and effective treatment plan.
Dr Ahmed is a member of American College of Gastroenterology. He regularly attends national as well as international meetings to keep himself up to date with the latest advances in gastrointestinal and liver disease management to be available for his patients. His patient-first approach ensures that each individual receives a thoughtful, evidence -based personalized care to achieve optimal digestive health and better quality of life.
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.
Gastro Center of Maryland, with locations in Annapolis, Columbia, Olney, Riverdale, Timonium and Gaithersburg, 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, GI Genius™GIQuiC participation, and with accreditation from the Accreditation Associates for Abulatory Health Care, Inc. (AAAHC.)
Innovative and cutting edge Diagnostics and Medical Treatment- including Bravo pH Testing, PillCam SB Capsule Endoscopy, STRETTA anti-reflux procedure, Orbera intragastric balloon procedure for weight loss and more.
IBD Infusion Center for Biologic (Remicade, Entyvio, Stelara) and Injectafer infusions.
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 have 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 today!
Josh Rosenbloom, DO, is a board-certified gastroenterologist and hepatologist at the Gastro Center of Maryland in Columbia, Lutherville, and Annapolis, 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 published research studies on nutrition, weight loss, hepatitis C, and improving colonoscopy preparation.
Dr. Rosenbloom specializes in endoscopy , including colorectal cancer screenings, weight loss assistance, pain and symptom management, and nutrition. Given his interests in these areas , he has taken a special focus on performing both Orbera and Spatz bariatric balloon insertions
Approaching his 5th year at Gastro Center of Maryland, Dr. Rosenbloom is experienced in treating a wide array of gastrointestinal, liver, and pancreatic diseases. He most frequently treats GERD, irritable bowel syndrome (IBS), ulcerative colitis, Crohn’s disease, constipation, liver disease, celiac disease, among others.
Dr. Mamunes, MD, is one of the skilled gastroenterologists practicing at Gastro Center of Maryland, which has locations in Columbia, Annapolis, Olney, Riverdale, and Lutherville, Maryland.
Dr. Mamunes grew up in Maryland, attending the University of Maryland, College Park and subsequently completing his medical degree at the University of Maryland School of Medicine. There he graduated summa cum laude and was elected to the Alpha Omega Alpha medical honor society. He then completed his residency in Internal Medicine and fellowship in Gastroenterology and Hepatology at Vanderbilt University Medical Center. During this time, he contributed to multiple research papers published in peer-reviewed medical journals, spanning topics from endoscopic practices to inflammatory bowel disease. He is currently a member of the American Gastroenterological Association (AGA) and American College of Gastroenterology (ACG).
Dr. Mamunes treats a wide range of gastrointestinal and liver disorders including inflammatory bowel disease (IBD), irritable bowel syndrome (IBS), constipation, acid reflux, fatty liver disease, colon cancer screening, celiac disease, and eosinophilic esophagitis. He is skilled in endoscopy (EGD), colonoscopy, and video capsule endoscopy.
In his free time, Dr. Mamunes enjoys hiking, music, and spending time with his wife and dog
Dr. Thi Khuc, MD, is a board-certified physician specializing in Gastroenterology and Hepatology at Gastro Center of Maryland's location in Riverdale, Maryland. Trained with expertise in evidence-based medicine and clinical research by national and international authorities in the field, Dr. Khuc is committed to providing quality, personalized patient care. Dr. Khuc values her patients’ opinions in the medical decision-making process.
Dr. Khuc completed her medical degree at the University of Virginia, followed by an Internal Medicine residency at Loma Linda University in California. Thereafter, she completed her Gastroenterology and Hepatology fellowship under the Clinical Scholars Program at the University of Maryland and Mercy Medical Center in Baltimore, MD. She was elected as a 2023 American Gastroenterological Association (AGA) Innovations Fellow for the Center for GI Innovation and Technology and is currently a member of the AGA and American College of Gastroenterology (ACG).
Dr. Khuc is skilled in colonoscopy, endoscopy, video capsule endoscopy and esophageal manometry and breath testing interpretation. She treats a wide variety of gastrointestinal disorders including colorectal cancer screening, irritable bowel syndrome (IBS), acid reflux (GERD), peptic ulcer disease, microscopic colitis, eosinophilic esophagitis (EoE), constipation, infectious diarrheal disorders, and inflammatory bowel disease (IBD).
In her spare time, Dr. Khuc enjoys painting, traveling, and trying new ice cream flavors with her family and friends.
Lornette Mills, MD, is a respected gastroenterologist serving patients at GI Associates of Maryland in Waldorf, Maryland. She specializes in internal medicine and gastroenterology and enjoys working closely with her patients to ensure optimal health.
In 1993, Dr. Mills received her medical degree from the Jacobs School Of Medicine And Biomedical Sciences in Buffalo, New York. In 1996, she completed her internal medicine residency program at George Washington University Hospital in Washington, DC. She then finished her gastroenterology fellowship program at SUNY Health Science Center in Brooklyn in 1999.
Before joining her current practice, Dr. Mills practiced for two years in Prince Frederick, Maryland. This experience makes her an excellent addition to the GI Associates of Maryland team.
At the practice, Dr. Mills provides compassionate and effective care. She takes the time to listen to her patients and doesn't rush through her appointments. You're in good hands with Dr. Mills.
Gowri Kularatna, MD, specializes in gastroenterology at GI Associates of Maryland in Waldorf, Maryland. She has years of experience in the medical field and uses her knowledge to diagnose and treat patients.
Dr. Kularatna attended Emory University in Atlanta, Georgia, obtaining her bachelor’s degree in biology. She then received her medical degree from the University of Maryland School of Medicine in Baltimore.
Dr. Kularatna completed her internal medicine residency at Boston Medical Center in Massachusetts and a gastroenterology fellowship at The Barnes-Jewish Hospital through Washington University in St. Louis, Missouri.
Dr. Kularatna is board-certified in internal medicine and gastroenterology. She is also a professional member of the American College of Gastroenterology and the American Gastroenterology Association.
At GI Associates of Maryland in Waldorf, Dr. Kularatna works closely with patients to ensure she provides expert care. She has a comfortable office setting and takes an evidence-based approach to treat her patients.
Khadijat Balogun, MD, is a gastroenterologist at GI Associates of Maryland. She offers compassionate and effective care to patients at the Waldorf, Maryland, office.
Dr. Balogun obtained her medical degree from SUNY Downstate Medical Center in Brooklyn, New York. She completed her internal medicine residency at SUNY Downstate Medical Center and a three-year fellowship program at Albany Medical Center in New York.
Dr. Balogun is board-certified in internal medicine as well as gastroenterology. She is a professional member of the American Gastroenterological Association, the American College of Gastroenterology, and the American Society for Gastrointestinal Endoscopy.
Dr. Balogun cares for patients with a wide range of issues, including colon cancer screening, gastroesophageal reflux disease, Barrett’s esophagus, liver disease, women’s health, irritable bowel syndrome, and inflammatory bowel disease (Crohn’s disease and ulcerative colitis).
Dr. Balogun aims to provide the highest medical care to all her patients in a safe and friendly environment.
Gastro Center of Maryland, with locations in Annapolis, Columbia, Olney, Riverdale, Timonium and Gaithersburg, 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, GI Genius™GIQuiC participation, and with accreditation from the Accreditation Associates for Abulatory Health Care, Inc. (AAAHC.)
Innovative and cutting edge Diagnostics and Medical Treatment- including Bravo pH Testing, PillCam SB Capsule Endoscopy, STRETTA anti-reflux procedure, Orbera intragastric balloon procedure for weight loss and more.
IBD Infusion Center for Biologic (Remicade, Entyvio, Stelara) and Injectafer infusions.
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 have 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 today!
Josh Rosenbloom, DO, is a board-certified gastroenterologist and hepatologist at the Gastro Center of Maryland in Columbia, Lutherville, and Annapolis, 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 published research studies on nutrition, weight loss, hepatitis C, and improving colonoscopy preparation.
Dr. Rosenbloom specializes in endoscopy , including colorectal cancer screenings, weight loss assistance, pain and symptom management, and nutrition. Given his interests in these areas , he has taken a special focus on performing both Orbera and Spatz bariatric balloon insertions
Approaching his 5th year at Gastro Center of Maryland, Dr. Rosenbloom is experienced in treating a wide array of gastrointestinal, liver, and pancreatic diseases. He most frequently treats GERD, irritable bowel syndrome (IBS), ulcerative colitis, Crohn’s disease, constipation, liver disease, celiac disease, among others.
Dr. Mamunes, MD, is one of the skilled gastroenterologists practicing at Gastro Center of Maryland, which has locations in Columbia, Annapolis, Olney, Riverdale, and Lutherville, Maryland.
Dr. Mamunes grew up in Maryland, attending the University of Maryland, College Park and subsequently completing his medical degree at the University of Maryland School of Medicine. There he graduated summa cum laude and was elected to the Alpha Omega Alpha medical honor society. He then completed his residency in Internal Medicine and fellowship in Gastroenterology and Hepatology at Vanderbilt University Medical Center. During this time, he contributed to multiple research papers published in peer-reviewed medical journals, spanning topics from endoscopic practices to inflammatory bowel disease. He is currently a member of the American Gastroenterological Association (AGA) and American College of Gastroenterology (ACG).
Dr. Mamunes treats a wide range of gastrointestinal and liver disorders including inflammatory bowel disease (IBD), irritable bowel syndrome (IBS), constipation, acid reflux, fatty liver disease, colon cancer screening, celiac disease, and eosinophilic esophagitis. He is skilled in endoscopy (EGD), colonoscopy, and video capsule endoscopy.
In his free time, Dr. Mamunes enjoys hiking, music, and spending time with his wife and dog
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