Michael Williams is a General Surgeon in Washington, Washington, D.c.. Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Gallbladder Disease, Cholecystitis, Myocardial Contusion, Gastrostomy, and Hernia Surgery. Dr. Williams is currently accepting new patients.

Dr. Katherine Lamond is the Medical Director of the Johns Hopkins Center for Bariatrics Surgery at Sibley Memorial Hospital and Assistant Professor of Surgery for Johns Hopkins School of Medicine. She specializes in laparoscopic bariatric surgery, and performs the Roux-en-Y Gastric Bypass, Sleeve Gastrectomy and Adjustable Gastric Banding at Sibley. She is also a surgeon with Johns Hopkins Surgery at Sibley, where she practices general surgery and advanced laparoscopic surgery. Dr. Lamond grew up in Maryland and attended Dartmouth College for her undergraduate education, before moving back to the area to attend Georgetown University School of Medicine. Her internship and residency in General Surgery were completed at the University of Virginia in Charlottesville. She then completed a fellowship at Johns Hopkins Hospital in Minimally Invasive and Bariatric Surgery. More recently, Dr. Lamond served as Assistant Professor of Surgery at the University of Maryland School of Medicine from 2012-2015, prior to transitioning her practice to Sibley Memorial Hospital. She is a Fellow of the American College of Surgeons and is active in both the Society of American Gastrointestinal and Endoscopic Surgeons and the American Society for Metabolic and Bariatric Surgery. Videos Meet Katherine Lamond, M.D., Minimally Invasive Surgeon Surgical Weight Loss Options 101 GERD and Bariatric Surgery FAQ. Dr. Lamond is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. Her top areas of expertise are Hernia, Ogilvie Syndrome, Obesity in Children, Sleeve Gastrectomy, and Gastrectomy.

Eleanor Drew is a General Surgeon and an Anesthesiologist in Washington, Washington, D.c.. Dr. Drew has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. Her top areas of expertise are Ogilvie Syndrome, Gastrointestinal Fistula, Cholecystitis, Hernia Surgery, and Gastrostomy. Dr. Drew is currently accepting new patients.

Scott Rehrig is a General Surgeon in Washington, Washington, D.c.. Dr. Rehrig is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Retroperitoneal Inflammation, Ogilvie Syndrome, Cholecystitis, Colostomy, and Gallbladder Removal. Dr. Rehrig is currently accepting new patients.

James Street is a General Surgeon in Washington, Washington, D.c.. Dr. Street is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Ogilvie Syndrome, Cholecystitis, Retroperitoneal Inflammation, Hernia Surgery, and Liver Embolization. Dr. Street is currently accepting new patients.

Chadi Abouassaly is a General Surgeon in Washington, Washington, D.c.. Dr. Abouassaly is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Ogilvie Syndrome, Gallbladder Disease, Necrotizing Fasciitis, Colostomy, and Hernia Surgery. Dr. Abouassaly is currently accepting new patients.

Edward Cornwell is a General Surgeon in Washington, Washington, D.c.. Dr. Cornwell is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Delirium, Necrotizing Fasciitis, Ogilvie Syndrome, Gastrointestinal Perforation, and Colostomy.

Anthony Shiflett is a General Surgeon in Washington, Washington, D.c.. Dr. Shiflett is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Retroperitoneal Inflammation, Ogilvie Syndrome, Peritonitis, Hernia Surgery, and Gastrostomy. Dr. Shiflett is currently accepting new patients.

Daniel Tran is a Plastic Surgeon and a General Surgeon in Washington, Washington, D.c.. Dr. Tran is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Delirium, Necrotizing Fasciitis, Ogilvie Syndrome, Gastrostomy, and Hernia Surgery.

Alexander Evans is a General Surgeon and an Intensive Care Medicine provider in Washington, Washington, D.c.. Dr. Evans is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Retroperitoneal Inflammation, Gastrointestinal Perforation, Delirium, Hip Replacement, and Gastrostomy. Dr. Evans is currently accepting new patients.

Syed Karim is a General Surgeon in Washington, Washington, D.c.. Dr. Karim is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Retroperitoneal Inflammation, Ogilvie Syndrome, Cellulitis, Cataract Removal, and Gastrectomy. Dr. Karim is currently accepting new patients.

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 Ogilvie Syndrome. His top areas of expertise are Hernia, Femoral Hernia, Cholecystitis, Hernia Surgery, and Ureteral Reconstruction.

Nasrin Ansari is a General Surgeon in Washington, Washington, D.c.. Dr. Ansari is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. Her top areas of expertise are Retroperitoneal Inflammation, Ogilvie Syndrome, Cholecystitis, and Gastrointestinal Perforation.

Suryanarayana Siram is a General Surgeon in Washington, Washington, D.c.. Dr. Siram is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Delirium, Necrotizing Fasciitis, Gastrointestinal Perforation, Gastrostomy, and Hip Replacement.

Shimae Fitzgibbons is a General Surgeon in Washington, Washington, D.c.. Dr. Fitzgibbons is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. Her top areas of expertise are Ogilvie Syndrome, Gallbladder Disease, Hernia, Small Bowel Resection, and Endoscopy. Dr. Fitzgibbons is currently accepting new patients.

Babak Sarani is a General Surgeon in Washington, Washington, D.c.. Dr. Sarani is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Delirium, Subarachnoid Hemorrhage, Compartment Syndrome, Gastrostomy, and Hernia Surgery. Dr. Sarani is currently accepting new patients.

May Tee is a General Surgeon and a Surgical Oncologist in Washington, Washington, D.c.. Dr. Tee is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. Her top areas of expertise are Ogilvie Syndrome, Pancreatic Cancer, Gallbladder Disease, Pancreaticoduodenectomy, and Pancreatectomy. Dr. Tee is currently accepting new patients.

Christine Trankiem is a General Surgeon in Washington, Washington, D.c.. Dr. Trankiem is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. Her top areas of expertise are Retroperitoneal Inflammation, Secondary Peritonitis, Peritonitis, Hernia Surgery, and Pancreaticoduodenectomy. Dr. Trankiem is currently accepting new patients.

Tahir Shaikh is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Shaikh is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Acute Kidney Failure, COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Hip Replacement, and Ureteroscopy. Dr. Shaikh is currently accepting new patients.

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 Ogilvie Syndrome. His top areas of expertise are Hiatal Hernia, Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gallbladder Removal.