Dr. Mohammed Kalan is a general surgeon affiliated with Sibley Memorial Hospital and George Washington University Hospital. He practices out of the Washington Institute of Surgery in Washington, D.C. and Chevy Chase, Md. Dr. Kalan has an expertise in abdominal surgery, clinical gastroenterology, colorectal surgery, gastrointestinal cancers, minimally invasive gastrointestinal surgery and robotic surgery. Dr. Kalan earned his MBBS from Byramjee Jeejeebhoy Medical College in India. He completed a residency in general surgery at Temple University School of Medicine, followed by a fellowship in laparoscopic surgery at George Washington University School of Medicine. Dr. Kalan is a fellow of the American College of Surgeons and the Royal College of Surgeons of London and Edinburgh, U.K. Dr. Kalan has earned numerous awards. His teaching awards include the Outstanding Faculty Teacher for the Department of Surgery from Georgetown University Hospital in 2001; the Golden Apple Award Nomination from Georgetown University Medical School in 2000; the Georgetown Caring Star from Georgetown University Hospital in 2009 and 2003; and the W.L. Gore/Stuart I. Myers Award for Academic Excellence from Temple University in 1998. Dr. Kalan has also been named one of America’s Top Surgeons by the Consumers’ Research Council of America from 2010-2014; and a Top Doctor in General and Laparoscopic Surgery by Washingtonian magazine in 2002. Dr. Kalan is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Retroperitoneal Inflammation, Gallbladder Disease, Appendicitis, Hernia Surgery, and Colostomy.

Anuradha Arun is a primary care provider, practicing in Family Medicine in Silver Spring, Maryland. Dr. Arun is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Sitosterolemia, Vitamin D Deficiency, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism.

Thomas Zorc is a General Surgeon in Chevy Chase, Maryland. Dr. Zorc is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Ogilvie Syndrome, Lump in the Abdomen, Hernia, Cellulitis, and Hernia Surgery.

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 Advanced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Breast Cancer, Angiosarcoma, Paget Disease of the Breast, Hernia Surgery, and Ileostomy.

Marjorie Mcknight is a Pediatrics provider in Washington, Washington, D.c.. Dr. Mcknight is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Delayed Growth, Baller-Gerold Syndrome, Croup, and Viral Gastroenteritis.

Jeffrey Lukish is a Pediatric Surgeon and a General Surgeon in Washington, Washington, D.c.. Dr. Lukish is rated as an Advanced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Pectus Excavatum, Urachal Cyst, Umbilical Hernia, Hepato-Pancreato-Biliary Surgery, and Endoscopy. Dr. Lukish 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 Umbilical Hernia. His top areas of expertise are Hernia, Femoral Hernia, Cholecystitis, Hernia Surgery, and Ureteral Reconstruction.

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 Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Hernia, Ogilvie Syndrome, Obesity in Children, Sleeve Gastrectomy, and Gastrectomy.

Dr. Drew Jung is an assistant professor of surgery in the Johns Hopkins Department of Surgery. He is an expert in minimally invasive surgery whose clinical focus is in laparoscopic and robotic surgeries. He has specialties in open and laparoscopic hernias, bariatrics, foregut, and quality improvement as it pertains to quality of care. Dr. Jung is focused on being able to get patients back on their feet sooner and have the potential to get back to work sooner than before. He is open to accepting all new patients to provide his expertise. Videos Dr. Andrew Jung M.D Bio Video. Dr. Jung is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Hernia, Hemolytic Transfusion Reaction, Low Blood Pressure, Sleeve Gastrectomy, and Gastrectomy.

Dr. James Robey is a Johns Hopkins surgeon who specializes in minimally invasive procedures. He has provided surgical services to Washington-area residents for over 30 years. He takes pride in providing a customized approach to care to ensure the best possible outcome. Dr. Robey is consistently recognized as a top doctor in the region by Bethesda Magazine and Washingtonian. Selected Publications “Relationship between tumor necrosis factor, eicosanoids and platelet activating factor as mediators of endotoxin-induced shock in mice.” Adam K. Myers, James W. Robey.British Journal of Pharmacology. (1990) 99, 499-502. “Ruptured, infected popliteal artery aneurysm, a case report.” James W. Robey, et al. Vascular Surgery. 1998. Dr. Robey is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Hernia, Femoral Hernia, Retroperitoneal Inflammation, Colostomy, and Hernia Surgery.

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

Jerome Byam is an assistant professor of surgery at Johns Hopkins School of Medicine. Dr. Byam is an acute care surgeon with a robust general surgery and trauma surgery practice based at Suburban Hospital in Bethesda, MD. He has experience treating both routine and complex surgical patients using a variety of techniques including performing minimally invasive procedures using robotics and laparoscopy. After earning his medical degree from Meharry Medical College in Nashville, TN, Dr. Byam completed a surgical residency at the University of Louisville in Louisville, KY. He underwent further subspecialty training at the University of Chicago, completing a fellowship in solid organ Abdominal Transplant surgery. Dr. Byam worked as an acute care general surgeon in Washington DC before joining the staff at Johns Hopkins. Dr. Byam is a fellow in the American College of Surgeons. He remains active in his local community, is an avid triathlete, and enjoys spending time with his wife and daughter. Selected Publications Barnett RE, Keskey RC, Linsky PL, Byam J, Mathis TJ, Cheadle WG. Tension-free Open Mesh Cooper's Ligament Repair for Femoral Hernia. Am Surg. 2013 Sep;79(9):952-3. Byam J, Renz J, Millis JM. Liver transplantation for hepatocellular carcinoma. Hepatobiliary Surg Nutr 2013;2(1):22-30. Byam Jerome, Boone P, Azzam RK, Millis JM. Absence of early graft loss from hepatic artery thrombosis in pediatric liver transplantation with use of implantation Doppler probe. Journal International Pediatric Transplantation Association. Presented at IPTA Meeting July 2013. Jones, Christopher M, Byam JA, Iannitti DA, Marvin, MR. (2014) Hepatobiliary Ultrasound. In Schrope (Ed.), Surgical and Interventional Ultrasound. (pp. 73-86) New York, NY: McGraw-Hill Education. Dr. Byam is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Hernia, Gallbladder Disease, Umbilical Hernia, Gastrostomy, and Hernia Surgery.

Dr. Alexandra Roginsky is a fellowship-trained surgeon with expertise in robotic, minimally invasive and trauma surgery. Dr. Roginsky has two decades of broad surgical experience and is dedicated to finding the most effective, least invasive, way to treat patients. She completed her fellowship training at the University of Illinois at Chicago, her residency at the Medical College of Wisconsin and medical school at Northwestern University Feinberg School of Medicine. She has been listed as a top surgeon by the Consumer’s Research Council of America and is widely published in multiple fields, including minimally invasive surgery and cancer biology. Videos Alexandra B. Roginsky, M.D.Acute Care and Trauma Surgeon Selected Publications Alexandra B. Roginsky, Alexander Tsesis, Hate speech, volition, and neurology, Journal of Law and the Biosciences, Volume 3, Issue 1, April 2016, Pages 174–177, https://doi.org/10.1093/jlb/lsv058 Roginsky, Alexandra. For Our Patients: On Becoming the Surgeon Advocate, Leader, and Learner. (2019). American College of Surgeons. https://www.facs.org/member-services/yfa/advocacy-essays/2019/aroginsky Roginsky, Alexandra. Young Fellows Advocacy and Action. American College of Surgeons. (2018). https://www.facs.org/member-services/yfa/advocacy-essays/2018/roginsky. Dr. Tsesis is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Diverticular Disease, Paget Disease of the Breast, Breast Cancer, Colostomy, and Small Bowel Resection.

Harry Lightfoot is a General Surgeon in Fulton, Maryland. Dr. Lightfoot is rated as an Advanced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are End-Stage Renal Disease (ESRD), Umbilical Hernia, Gallstones, Hernia Surgery, and Small Bowel Resection. Dr. Lightfoot is currently accepting new patients.

George Conrad is a General Surgeon in Silver Spring, Maryland. Dr. Conrad is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Cellulitis, Ogilvie Syndrome, Gallstones, Hernia Surgery, and Small Bowel Resection. Dr. Conrad is currently accepting new patients.

Anuj Prashar is a General Surgeon in Silver Springs, Maryland. Dr. Prashar is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Obesity, Obesity in Children, Hernia, Sleeve Gastrectomy, and Gastrectomy. Dr. Prashar is currently accepting new patients.

Matthew Dong is a General Surgeon in Silver Spring, Maryland. Dr. Dong is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Obesity, Hernia, Obesity in Children, Sleeve Gastrectomy, and Gastrectomy.

Tahmina Ahmed is a primary care provider, practicing in Internal Medicine in Silver Spring, Maryland. Dr. Ahmed is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Radiation Enteritis, Vitamin D Deficiency, Maturity Onset Diabetes of the Young, and Ringworm. Dr. Ahmed is currently accepting new patients.

Lavanya Sithanandam is a Pediatrics provider in Takoma Park, Maryland. Dr. Sithanandam is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Delayed Growth, Increased Head Circumference, Autism Spectrum Disorder, and Obesity in Children. Dr. Sithanandam is currently accepting new patients.

Eric Oristian is a General Surgeon in Wheaton, Maryland. Dr. Oristian is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Breast Cancer, Angiosarcoma, Paget Disease of the Breast, Inflammatory Breast Cancer, and Lymphadenectomy. Dr. Oristian is currently accepting new patients.