Dr. John Bedeau, MD
Gastroenterologist
3407 Olandwood Ct Ste 103
Olney, MD 20832
LOCAL HEALTHCARE PROVIDERS
Tebra only allows patients to write reviews following their scheduled appointment with the provider or practice.
Tebra verifies providers before they can appear in Tebra search. Find a top-rated provider and book an appointment instantly.
84 providers
Availability last updated 10/08/2025
Dr. John Bedeau, MD
Gastroenterologist
3407 Olandwood Ct Ste 103
Olney, MD 20832
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.
Dr. Praveena Velamati, MD
Gastroenterologist
1215 Annapolis Road
Suite 201
Odenton, MD 21113
Raza Hasan, MD, is a highly skilled gastroenterologist at Anne Arundel Gastroenterology Associates, P.A. He is proud to provide compassionate, dedicated care to patients living in and around the Pasadena, Maryland, area. Dr. Hasan's particular areas of interest include gastrointestinal motility disorders, esophageal disease, and colon cancer prevention.
Originally from Baltimore, Maryland, Dr. Hasan attended an accelerated six-year combined bachelor and medical degree program at the University of Missouri-Kansas City. He was elected into the Alpha Omega Alpha Honor Medical Society and subsequently graduated magna cum laude.
Dr. Hasan completed his internship and residency at Thomas Jefferson Medical Center in Philadelphia, Pennsylvania, and his fellowship at Loyola University Medical Center in Chicago, Illinois.
In his free time, Dr. Hasan loves to travel abroad and has a checklist of trying to swim in every large body of water in the world.
Dr. Hasan is currently accepting new patients and welcomes new patients to Anne Arundel Gastroenterology Associates, P.A. Schedule an appointment by calling or booking a consultation online today.
Dr. Raza Hasan, MD
Gastroenterologist
1215 Annapolis Road
Suite 201
Odenton, MD 21113
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.
Patryk Madrid, DNP
Nurse Practitioner
1215 Annapolis Road
Suite 201
Odenton, MD 21113
Dr. Kent Aje is a board-certified internist and gastroenterologist with advanced fellowship training in clinical nutrition. A Maryland native from Prince George’s and Montgomery Counties, he earned his B.S. in Forensic Science with a minor in Chemistry from Virginia Commonwealth University, graduating with honors. He received his medical degree from The George Washington University School of Medicine and Health Sciences.
Dr. Aje completed his Internal Medicine Residency at Loyola University Medical Center, followed by a Clinical Nutrition Fellowship at The Cleveland Clinic Foundation and a Gastroenterology Fellowship at Rush University Medical Center.
He has served as a Hospitalist at Edward Hines Jr. VA Hospital and has made significant contributions to both research and medical education. Dr. Aje has presented at national and international gastroenterology conferences and has co-authored various publications, including case reports and textbook chapters. He is an active member of several professional societies, including the ACG, AGA, ASGE, and the Association of Black Gastroenterologists and Hepatologists.
Dr. Aje is deeply committed to patient-centered care, academic excellence, and addressing health disparities. His clinical interests include colorectal cancer screening and prevention, inflammatory bowel disease, chronic liver conditions, intestinal failure, and the intersection of nutrition and gastrointestinal health.
Outside of work, Dr. Aje enjoys spending quality time with his growing family, weightlifting, playing guitar, reading science fiction, and cooking.
Kent Aje, MD
Gastroenterologist
1215 Annapolis Road
Suite 201
Odenton, MD 21113
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.
Dr. Raja Taunk, MD
Gastroenterologist
7833 Walker Drive
Suite 400
Greenbelt, MD 20770
Dr. Kent Aje is a board-certified internist and gastroenterologist with advanced fellowship training in clinical nutrition. A Maryland native from Prince George’s and Montgomery Counties, he earned his B.S. in Forensic Science with a minor in Chemistry from Virginia Commonwealth University, graduating with honors. He received his medical degree from The George Washington University School of Medicine and Health Sciences.
Dr. Aje completed his Internal Medicine Residency at Loyola University Medical Center, followed by a Clinical Nutrition Fellowship at The Cleveland Clinic Foundation and a Gastroenterology Fellowship at Rush University Medical Center.
He has served as a Hospitalist at Edward Hines Jr. VA Hospital and has made significant contributions to both research and medical education. Dr. Aje has presented at national and international gastroenterology conferences and has co-authored various publications, including case reports and textbook chapters. He is an active member of several professional societies, including the ACG, AGA, ASGE, and the Association of Black Gastroenterologists and Hepatologists.
Dr. Aje is deeply committed to patient-centered care, academic excellence, and addressing health disparities. His clinical interests include colorectal cancer screening and prevention, inflammatory bowel disease, chronic liver conditions, intestinal failure, and the intersection of nutrition and gastrointestinal health.
Outside of work, Dr. Aje enjoys spending quality time with his growing family, weightlifting, playing guitar, reading science fiction, and cooking.
Kent Aje, MD
Gastroenterologist
7833 Walker Drive
Suite 400
Greenbelt, MD 20770
Raza Hasan, MD, is a highly skilled gastroenterologist at Anne Arundel Gastroenterology Associates, P.A. He is proud to provide compassionate, dedicated care to patients living in and around the Pasadena, Maryland, area. Dr. Hasan's particular areas of interest include gastrointestinal motility disorders, esophageal disease, and colon cancer prevention.
Originally from Baltimore, Maryland, Dr. Hasan attended an accelerated six-year combined bachelor and medical degree program at the University of Missouri-Kansas City. He was elected into the Alpha Omega Alpha Honor Medical Society and subsequently graduated magna cum laude.
Dr. Hasan completed his internship and residency at Thomas Jefferson Medical Center in Philadelphia, Pennsylvania, and his fellowship at Loyola University Medical Center in Chicago, Illinois.
In his free time, Dr. Hasan loves to travel abroad and has a checklist of trying to swim in every large body of water in the world.
Dr. Hasan is currently accepting new patients and welcomes new patients to Anne Arundel Gastroenterology Associates, P.A. Schedule an appointment by calling or booking a consultation online today.
Dr. Raza Hasan, MD
Gastroenterologist
7833 Walker Drive
Suite 400
Greenbelt, MD 20770
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.
Patryk Madrid, DNP
Nurse Practitioner
7833 Walker Drive
Suite 400
Greenbelt, MD 20770
Dr. John Bedeau, MD
Gastroenterologist
7809 Belle Point Dr
Greenbelt, MD 20770
Dr. John Bedeau, MD
Gastroenterologist
7501 Forbes Blvd Ste 103
Lanham, MD 20706
Dr. John Bedeau, MD
Gastroenterologist
8118 Good Luck Road
Lanham, MD 20706
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. Mark Flasar, MD
Gastroenterologist
8109 Ritchie Highway
Suite 102
Pasadena, MD 21122
Dr. Kent Aje is a board-certified internist and gastroenterologist with advanced fellowship training in clinical nutrition. A Maryland native from Prince George’s and Montgomery Counties, he earned his B.S. in Forensic Science with a minor in Chemistry from Virginia Commonwealth University, graduating with honors. He received his medical degree from The George Washington University School of Medicine and Health Sciences.
Dr. Aje completed his Internal Medicine Residency at Loyola University Medical Center, followed by a Clinical Nutrition Fellowship at The Cleveland Clinic Foundation and a Gastroenterology Fellowship at Rush University Medical Center.
He has served as a Hospitalist at Edward Hines Jr. VA Hospital and has made significant contributions to both research and medical education. Dr. Aje has presented at national and international gastroenterology conferences and has co-authored various publications, including case reports and textbook chapters. He is an active member of several professional societies, including the ACG, AGA, ASGE, and the Association of Black Gastroenterologists and Hepatologists.
Dr. Aje is deeply committed to patient-centered care, academic excellence, and addressing health disparities. His clinical interests include colorectal cancer screening and prevention, inflammatory bowel disease, chronic liver conditions, intestinal failure, and the intersection of nutrition and gastrointestinal health.
Outside of work, Dr. Aje enjoys spending quality time with his growing family, weightlifting, playing guitar, reading science fiction, and cooking.
Kent Aje, MD
Gastroenterologist
8109 Ritchie Highway
Suite 102
Pasadena, MD 21122
Board certified in gastroenterology, David S. Jencks, MD, is proud to provide personalized care to patients at Anne Arundel Gastroenterology Associates, P.A. in Annapolis and Pasadena, Maryland. He has a particular interest in the prevention of esophageal and colon cancers and the management of inflammatory bowel disease.
Dr. Jencks completed medical school at The George Washington University in Washington, DC, where he was elected into the Alpha Omega Alpha Honor Medical Society. He then completed his internship and residency at Stanford University Hospital in Palo Alto, California. Dr. Jencks then returned to The George Washington University to complete his fellowship training.
At Anne Arundel Gastroenterology Associates, Dr. Jencks is passionate about helping patients achieve optimal health. He strives to educate patients about their conditions and ensure their questions are answered.
Dr. Jencks is currently accepting new patients and looks forward to partnering with them on their health care journey. Schedule an appointment with Dr. Jencks by calling the office or booking a consultation online today.
Dr. David Jencks
Gastroenterologist
8109 Ritchie Highway
Suite 102
Pasadena, MD 21122
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.
Patryk Madrid, DNP
Nurse Practitioner
8109 Ritchie Highway
Suite 102
Pasadena, MD 21122
Dr. Monica Passi, MD is a double board-certified physician specializing in Gastroenterology/Hepatology and Internal Medicine. She is currently accepting new patients.
As an advanced endoscopist, Dr. Passi has particular expertise in pancreatobiliary disorders and the endoscopic diagnosis and treatment of gastrointestinal cancers. Her clinical interests include early detection and management of a wide range of GI and liver conditions, such as acid reflux, inflammatory bowel disease (IBD), irritable bowel syndrome (IBS), eosinophilic esophagitis, gastritis, and celiac disease, colon cancer screening and GI malignancies. Along with routine endoscopic procedures, Dr. Passi is skilled in performing the complex and technically demanding procedures of advanced endoscopy.
Dr. Passi is committed to delivering care that places the patient at the center of every decision and believes in shared decision making. She takes a holistic view of each person, developing personalized treatment strategies that reflect their individual needs and values. By fostering open dialogue and building trust, she works to establish meaningful relationships with her patients—ones rooted in compassion and mutual respect. Her mission is to provide the education and support patients need to make informed, confident choices about their health.
A native of the D.C. metropolitan area, Dr. Passi earned her medical degree from The George Washington University in Washington, D.C. She completed her residency in Internal Medicine at Northwell Health in Queens, NY. She then pursued a fellowship in Gastroenterology and Hepatology at the University of Maryland and the prestigious National Institutes of Health (NIH) in Bethesda, MD. To further specialize in advanced therapeutic endoscopy and pancreatobiliary disease, she completed a dedicated fellowship in advanced endoscopy at Northwell Health.
In addition to her clinical practice, Dr. Passi is passionate about contributing to the advancement of medical knowledge. She has presented her research at national and international conferences and authored numerous publications in respected, peer-reviewed journals.
Outside of medicine, Dr. Passi enjoys playing tennis, traveling, and spending time with her husband and children.
Dr. Passi provides expert, personalized care for a wide range of gastrointestinal conditions, combining clinical excellence with a compassionate approach. Whether you're managing a chronic condition or seeking answers to new symptoms, Dr. Passi is here to guide you every step on your path to better health.
Monica Passi, MD
Gastroenterologist
6502 Kenilworth Ave
Suite 100
Riverdale, MD 20737