Dr. Liebengood is a radiologist who specializes in cross-sectional imaging. Dr. Liebengood received her Bachelor of Arts from Johns Hopkins University in Baltimore, MD, followed by a Master of Health Services Administration at the University of Michigan, School of Public Health. She attended medical school and completed residency training at Rutgers-Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey. She went on to complete a body imaging fellowship at The Johns Hopkins Hospital, followed by the Armstrong Institute’s Leadership Program in Quality and Safety. She specializes in CT, MR, and Ultrasound. In addition to her clinical focus as a body imager, she has an interest in quality and safety. Dr. Liebengood is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Collapsed Lung, Diverticular Disease, Gallbladder Disease, and Thyroid Nodule.

Dr. Jones is a radiologist and currently serves as the Chief of Ultrasound at Sibley Memorial Hospital. He received his B.S. from Stanford University and Medical degree from the University of Wisconsin-Madison. He completed a diagnostic residency at the National Naval Medical Center, followed by a Cross-sectional Imaging fellowship at Georgetown University Hospital. Prior to joining Johns Hopkins, Dr. Jones was a staff radiologist at Suburban and Sibley Memorial Hospitals from 2004-2016. He serves as vice chairman of the Sibley Memorial Hospital Department of Radiology. Dr. Jones has subspecialty expertise in abdominal CT, MRI, ultrasound and image-guided biopsies. Dr. Jones is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Collapsed Lung, Fecal Impaction, Pleurisy, and Pleural Effusion.

Nikiya Asamoah-Clark is a Gastroenterologist in Washington, Washington, D.c.. Dr. Asamoah-Clark is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

Arthur West is a Gastroenterologist in Washington, Washington, D.c.. Dr. West is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Diverticular Disease, Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Endoscopy, and Gastrostomy.

Reid Vegeler is a General Surgeon and a Colorectal Surgeon in Washington, Washington, D.c.. Dr. Vegeler is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Diverticular Disease, Familial Colorectal Cancer, Retroperitoneal Inflammation, Bladder Reconstruction, and Hernia Surgery.

Dr. Dominique Howard is a gastroenterologist affiliated with Sibley Memorial Hospital and George Washington University Hospital. She practices out of Capital Digestive Care’s Metropolitan Gastroenterology Group in Washington, D.C. and Chevy Chase, Md. Dr. Howard has an expertise in inflammatory bowel disease, irritable bowel syndrome, gastroesophageal reflux disease, esophageal pH testing, capsule endoscopy, colorectal cancer screening and diseases of the pancreas and gallbladder. Dr. Howard earned her undergraduate degree from Georgetown University and her medical degree from George Washington University School of Medicine. She completed a residency in internal medicine at George Washington University Hospital, followed by a fellowship in gastroenterology. Dr. Howard is a member of the American Gastroenterological Association, the American Society of Gastrointestinal Endoscopy, the Crohn’s and Colitis Foundation and the William Earl Clark Society. Dr. Howard is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Trichohepatoenteric Syndrome, Diarrhea, and Attenuated Familial Adenomatous Polyposis.

Ramsey Daher is a Gastroenterologist in Washington, Washington, D.c.. Dr. Daher is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Heartburn, Gastric Dysmotility, Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

Julio Salcedo is a Gastroenterologist in Washington, Washington, D.c.. Dr. Salcedo is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Gastrointestinal Bleeding, Endoscopy, and Gastrectomy.

James Duncan is a General Surgeon in Washington, Washington, D.c.. Dr. Duncan is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Diverticular Disease, Viral Gastroenteritis, Anal Fissure, Colostomy, and Ileostomy.

Martin Paul is a General Surgeon in Washington, Washington, D.c.. Dr. Paul is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hernia, Femoral Hernia, Cholecystitis, Hernia Surgery, and Ureteral Reconstruction.

Dr. Alia Dadabhai is an assistant professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include hepatology and liver transplant evaluation. Her areas of clinical interest are: Viral hepatitis; Alcoholic Liver Disease; Cirrhosis and Portal Hypertension; Acute Liver Failure; Autoimmune Liver Disease; Primary Biliary Cholangitis; Primary Sclerosing Cholangitis; Fatty Liver/NASH; Liver Cancer (Hepatocellular Cacinoma); Liver Transplantation; Pregnancy and Hepatic Diseases. Dr. Dadabhai is also proficient in performing upper and lower endoscopies. She earned her B.A. from the University of Pennsylvania, her M.D. from the Drexel University College of Medicine and completed her residency at UCLA Harbor Medical Center. She completed a fellowship in gastroenterology and hepatology at Temple University Medical Center and a transplant hepatology fellowship at Thomas Jefferson University Hospital. Dr. Dadabhai is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Hepatitis C, Hepatitis, Visceromegaly, and Cirrhosis.

Dr. Brett Parker is a general surgeon and fellowship-trained minimally invasive foregut and bariatric surgeon. He is an Assistant Professor of Surgery at Johns Hopkins and also the Program Director for the Johns Hopkins Advanced GI and Minimally Invasive Surgery Fellowship Program. Dr. Parker is an expert in minimally invasive surgical techniques including advanced laparoscopy and robotic surgery, as well as therapeutic flexible endoscopy. He is interested in promoting the evolving indications for surgical repair of hiatal hernias, as well as adjunct procedures surgeons can use to reduce recurrence rates. He offers a wide range of interventions for GERD, including innovative endoscopic therapies, and promotes early surgical referral to discuss and tailor therapy to individual patient circumstances. Dr. Parker also has a robust abdominal wall reconstruction and weight loss surgery practice. He is widely published on the surgical outcomes of foregut surgery, emerging technologies, and innovation, as well as surgical simulation and skills transfer. Dr. Parker has consistently been selected as a Washingtonian Magazine Top Doctor in 2023, 2024, and 2025. As a member of the Johns Hopkins Division of Minimally Invasive Surgery in the Greater Washington Area, Dr. Parker is dedicated to the best, individualized, patient outcomes. Learn more about Dr. Parker and his partners within the Johns Hopkins Division of Minimally Invasive Surgery, the Johns Hopkins Heartburn Center and the Johns Hopkins Motility and Neurogastroenterology Center. Dr. Parker is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hiatal Hernia, Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gallbladder Removal.

Meredith G. Garrett, M.D., is a breast and general surgeon at the Kimmel Cancer Center at Sibley Memorial Hospital, and a surgical consultant to the U.S. State Department, providing surgical consultation for diplomats both in the United States and overseas. Dr. Garrett specializes in surgery for benign and malignant diseases of the breast; breast ultrasound; minimally invasive breast biopsy; benign and malignant diseases of the colon; and laparoscopic and minimally invasive surgery of the intestinal tract, hernias and spleen. Dr. Garrett earned her medical degree from Vanderbilt University School of Medicine. She completed a surgical residency at Walter Reed Army Medical Center, followed by service in the United States Army. Dr. Garrett was the Medical Commander of the 135th Forward Surgical Team in Korea, specializing in battlefield surgery. She also spent time serving as a general surgeon for the U.S. Army in Honduras and Egypt. Completing her service, Dr. Garrett became the program director for breast cancer survivors at Anne Arundel Medical Center, where she also trained surgical fellows in breast surgery. She also trained residents in general surgery at MedStar Washington Hospital Center. Dr. Garrett is involved with several quality improvement initiatives at Sibley to improve surgical outcomes for patients, and is a member of the Operating Room Committee. She is responsible for coordination of ongoing learning activities (CME) for practicing general surgeons and other specialists at Sibley. Dr. Garrett is a fellow in the American College of Surgeons and a member of the American Society of Breast Surgeons and Sibley Medical Association. Dr. Garrett has been repeatedly named a Top Doctor by Washingtonian Magazine, and has earned the Tops Doctors Award for Northern Virginia and the John Carroll Society Pro Bono Health Care Award. Every year, Dr. Garrett dedicates time working in the central highlands of Bolivia to provide direct surgical care to those who would otherwise go without appropriate medical interventions. She also teaches local Bolivian surgeons advanced surgical techniques, specifically laparoscopic skills. Dr. Garrett is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Breast Cancer, Angiosarcoma, Paget Disease of the Breast, Hernia Surgery, and Ileostomy.

Andrew Akman, MD, MBA a native of Washington, DC, currently practices at Suburban Hospital, Sibley Hospital, and Johns Hopkins Hospital. Dr. Akman performs a variety of minimally invasive procedures. He has specific interest in complex IVC filter removals, interventional oncology, pulmonary embolism, and prostate artery embolization. Dr. Akman is an expert in complex IVC filter retrieval and IVC filter related complications. In addition to standard IVC filter retrievals, he removes devices that are severely tilted, embedded, or fractured, as well as those designated as permanent devices. He serves as an adviser to other physicians on complex techniques including laser sheath and forceps assisted retrieval. Within interventional oncology, Dr. Akman performs thermal ablation of lung, liver, and kidney tumors. He performs chemoembolization and radioembolization (Yttrium-90) on primary liver cancer and metastatic liver disease. Dr. Akman also performs prostate artery embolization, an emerging minimally invasive technique for treating urinary symptoms associated with prostate enlargement. Dr. Akman prides himself on building strong relationships with his patients and practicing patient-centered medicine. Videos Andrew Akman, M.D., Interventional Radiologist Recent News Articles and Media Coverage Honoring a Life By Helping Others, Johns Hopkins Medicine, (July 20, 2022). Dr. Akman is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Ascites, Ureterocele, Familial Pancreatic Cancer, Gastrostomy, and Liver Embolization.

Matthew Ng is a Colorectal Surgeon in Washington, Washington, D.c.. Dr. Ng is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Anal Fissure, Diverticular Disease, Hemorrhoids, Small Bowel Resection, and Colostomy.

Christine Nembhard is a Colorectal Surgeon in Washington, Washington, D.c.. Dr. Nembhard is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Rectal Prolapse, Hemorrhoids, Colorectal Cancer, Colonoscopy, and Hernia Surgery.

Anne Fabrizio is a Colorectal Surgeon in Washington, Washington, D.c.. Dr. Fabrizio is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Colorectal Cancer, Rectal Prolapse, Familial Colorectal Cancer, Colostomy, and Endoscopy.

James Fitzgerald is a Colorectal Surgeon in Washington, Washington, D.c.. Dr. Fitzgerald is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Colorectal Cancer, Anal Cancer, Rectal Prolapse, Ileostomy, and Hernia Surgery.

Michael Lee is a primary care provider, practicing in Hospital Medicine in Washington, Washington, D.c.. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Small Cell Lung Cancer (SCLC), Lung Cancer, Pneumonia, Endoscopy, and Gastrostomy.

Susan Stein is a Colorectal Surgeon in Washington, Washington, D.c.. Dr. Stein is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Encopresis, Bowel Incontinence, Rectal Prolapse, and Hemorrhoids.