The 20 Best Glucagonoma Doctors in Texas, US

Dr. Winston Chan is a double board-certified General Surgeon and Colon and Rectal Surgeon with additional certification and training in the use of the Da Vinci Xi robotic system for minimally invasive surgeries. He is an accomplished surgeon with extensive experience in both university-based teaching and clinical robotics proctoring.Dr. Chan earned his medical degree from the University of Cincinnati College of Medicine. He completed his general surgery residency at The University of Texas Health Science Center at Houston and his colon and rectal surgery fellowship at Baylor University Medical Center in Dallas. Dr. Chan's passion lies in using the latest advanced medical technology, such as robotics and laparoscopy, in combination with his own surgical dexterity to treat complex diseases through small incisions to promote patient comfort and outcomes. His surgical expertise includes treatment of gallbladder disease, hernias, colorectal cancer, diverticulitis and inflammatory bowel disease, anorectal disease, reflux disorders, and soft tissue conditions. Outside of work, he enjoys snowboarding, scuba diving, traveling and spending time with family.Dr. Chan is a member of the American College of Surgeons, American Society of Colon and Rectal Surgeons, and Tarrant County Medical Society. He speaks English and Mandarin. Dr. Chan is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Ogilvie Syndrome, Retroperitoneal Inflammation, Gallbladder Disease, Bladder Reconstruction, and Endoscopy.

Dr. Kimberly Washington is fellowship-trained in hepato-pancreato-biliary surgery with vast experience in the surgical and non-surgical treatment of liver, pancreas and biliary tract disorders. She uses a variety of techniques, including minimally invasive laparoscopy, endoscopy, ablation and robotic-assisted approaches, in the management of benign pancreatic masses, acute/chronic pancreatitis and pancreatic cysts. She is also trained in the management of hepatocellular carcinoma, cholangiocarcinoma and all liver metastatic diseases. Additionally, she treats benign diseases of the liver and biliary tract, including hepatic adenomas, liver hemangiomas, polycystic liver disease, simple and complex biliary stone disease, and bile duct injuries.Dr. Washington earned her medical degree and completed general surgery residency at the University of Tennessee in Memphis. She then served the Arlington, Texas community as a board-certified general surgeon from 2014 until 2020. In 2020, she returned to training in hepato-pancreato-biliary surgery fellowship at Oregon Health & Science University in Portland.In addition to her dedication to the management of surgical disease, Dr. Washington has also served on a global scale, caring for patients in India, Peru, Guatemala and Kenya. She has and continues to serve on numerous regional and national committees to advance the treatment of hepato-pancreato-biliary diseases. Dr Washington has published peer-reviewed works on areas of special interest, including multi-disciplinary management of colorectal liver metastasis with node-negative primary disease and surgical management of breast cancer liver metastasis, presenting many of these published works at national and international meetings. Through her role as a faculty member with the TCU Burnett School of Medicine, Dr. Washington was recognized in 2024 with the Gachman Endowed Faculty Excellence Award. She is a member of the American College of Surgeons, Americas Hepato-Pancreato-Biliary Association, American Pancreatic Association, Association of Women Surgeons, International Hepato-Pancreato-Biliary Association, Society of Surgical Oncology and Society for Surgery of the Alimentary Tract. Dr. Washington is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. Her top areas of expertise are Familial Pancreatic Cancer, Pancreatic Cancer, Pancreatic Pseudocyst, Pancreatectomy, and Liver Embolization.

Alan Kaye is a primary care provider, practicing in Internal Medicine in Dallas, Texas. Dr. Kaye is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Sitosterolemia, High Cholesterol, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Dr. Tom Shires is a Fellow of the American College of Surgeons and sits on their Board of Governors. He specializes in hepatic, pancreatic and biliary surgery. He has followed in the footsteps of his surgeon father, who was a leading researcher and pioneer in the areas of trauma and burn care. Dr. Shires currently serves as the John P. Thompson Chair for Surgical Services at Texas Health Presbyterian Hospital Dallas and on the hospital's Board of Trustees. He also sits on numerous committees, including Texas Health Dallas' Medical Executive Committee and Surgical Services Committee.Dr. Shires graduated with honors from Duke University School of Medicine in Durham, N.C., and completed his general surgery residency training at Emory University School of Medicine in Atlanta, Ga. He was the Harvey Cushing Research Fellow at Cornell University Medical College New York Presbyterian Hospital and the Daniel Elkin Clinical Fellow at Emory.He has decades of experience in the use of advanced and minimally invasive surgical techniques. He previously served as Chief of Surgery at Zale-Lipshy University Hospital in Dallas and as Chairman of the GI and Endocrine Division at The University of Texas Southwestern Medical Center, also in Dallas. Dr. Shires is an avid lecturer, author, medical editor and medical reviewer. Dr. Shires' special interest in surgical education shows through in his role as the residency program director for surgery residents at Texas Health Dallas.Dr. Shires is an active member of such organizations as the North Texas Chapter of the American College of Surgeons, American Hepato Pancreato Biliary Association, The Society for Surgery of the Alimentary Tract, Surgical Infection Society and Association for Academic Surgery. Dr. Shires is rated as a Distinguished provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Insulinoma, Pancreatectomy, and Hernia Surgery.

Jason Fleming is a Surgical Oncologist and a General Surgeon in Dallas, Texas. Dr. Fleming is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Neuroendocrine Tumor, Pancreatectomy, and Small Bowel Resection.

Dr. Tannaz Armaghany is Assistant Professor of Medicine-Hematology and Oncology at the Dan L Duncan Comprehensive Cancer Center at Baylor College of Medicine.Dr. Armaghany’s professional interests include: gastrointestinal medical oncology, neuroendocrine tumors, hepatocellular carcinoma, and hepatobiliary cancers.Dr. Armaghany received her medical degree from Tabriz University in Tabriz, Iran and completed her residency at Cook County Hospital in Chicago, Ill. She also completed fellowships in hematology and medical oncology at Louisiana State University Health in Shreveport, La. and integrative medicine at Arizona State University in Tucson, Ariz.Dr. Armaghany is board-certified in Medical Oncology, Hematology, and Internal Medicine from the American Board of Internal Medicine.Dr. Armaghany serves as President of the Texas branch of the Iranian American Medical Association. She is also a member of American College of Clinical Oncology, American Society of Hematology, North American Neuroendocrine Tumor Society, SWOG Cancer Research Network, Harris County Medical Society, International Society of Liver Cancer, and the Texas Medical Association. Dr. Armaghany is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. Her top areas of expertise are Neuroendocrine Tumor, Fibrolamellar Carcinoma, Gallbladder Adenocarcinoma, and Gallbladder Cancer.

Dr. William E. Fisher is Professor and Vice-Chair for Clinical Affairs, Department of Surgery and the George L. Jordan, M.D. Chair in General Surgery at Baylor College of Medicine. Dr. Fisher also serves as Director of the Elkins Pancreas Center at BCM; and is Vice President, Medical Staff and Chief of the Surgery Service Line at Baylor St. Luke’s Medical Center.An internationally-known leader in pancreatic surgery, Dr. Fisher has focused entirely on surgery for pancreatic tumors and cysts in his practice for over 20 years and has extensive experience in advanced, minimally-invasive robotic pancreas surgery.Dr. Fisher’s professional interests include: pancreaticoduodenectomy (Whipple procedure); minimally invasive/laparoscopic/robotic pancreatic surgery; pancreas cancer; distal and central pancreatectomy; pancreas resection; surgical oncology; common bile duct resection; Puestow procedure; Frey procedure; and laparoscopic pancreatectomy.Dr. Fisher has served as PI of two NIH-funded multicenter randomized clinical trials that generated practice-changing impact on the use of drains during pancreatectomy, and the subsequent development of a multicenter pancreatic-surgery-outcomes consortium. His basic science lab has studied the influence of gastrointestinal hormones on pancreatic cancer growth, the relationship between diabetes and pancreatic cancer, and genomic analysis of pancreatic cancer, resulting in over 160 peer-reviewed publications.Having served as principal investigator on more than 15 clinical trials for patients with pancreatic cancer, Dr. Fisher is currently PI at BCM for the NIH Consortium to Study Chronic Pancreatitis, Diabetes and Pancreatic Cancer.Dr. Fisher received a B.A. from Wittenberg University and earned his medical degree from the University of Cincinnati College of Medicine.  He held a research fellowship and completed his residency at The Ohio State University.Among his numerous honors and awards, Dr. Fisher has been recognized as one of America’s Top Doctors for Cancer (Castle Connolly Medical Ltd.), Top 1% of Doctors in the U.S. (U.S. News and World Report), and “Texas Super Doctor” (Texas Monthly). He is also the recipient of the Master Clinician Award for Excellence in Patient Care from BCM and has twice received the DeBakey Distinguished Service Award from the Michael E. DeBakey Department of Surgery at BCM. Dr. Fisher is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Chronic Pancreatitis, Pancreatic Cancer, Hereditary Pancreatitis, Pancreaticoduodenectomy, and Pancreatectomy.

Jeffrey Lamont is a General Surgeon and a Surgical Oncologist in Plano, Texas. Dr. Lamont is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Breast Cancer, Pancreatic Cancer, Familial Pancreatic Cancer, Pancreatectomy, and Small Bowel Resection.

Hendrikus Vanderveldt is an Internal Medicine specialist and a Gastroenterologist in Frisco, Texas. Dr. Vanderveldt is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Childhood Pancreatitis, Chronic Pancreatitis, Bile Duct Obstruction, Pancreatectomy, and Endoscopy.

Sunil Patel is an Oncologist in Houston, Texas. Dr. Patel is rated as a Distinguished provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Metastatic Insulinoma, Pancreatic Islet Cell Tumor, Colorectal Cancer, and Glucagonoma.

Dhiresh Jeyarajah is a General Surgeon in Richardson, Texas. Dr. Jeyarajah is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Hiatal Hernia, Hernia, Pancreatic Cancer, Pancreaticoduodenectomy, and Pancreatectomy.

Isaac Raijman, MD, is dedicated to delivering high-quality, compassionate care to Houston and nearby communities. Isaac Raijman specializes in Gastroenterology and works at Digestive Associates of Hou. To make an appointment, please call (713) 795-4444. To review all accepted insurance carriers, please visit: https://www.stlukeshealth.org/patients-visitors/patients/billing-insurance/insurances-accepted. Dr. Raijman is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Choledocholithiasis, Chronic Pancreatitis, Bile Duct Obstruction, Endoscopy, and Lithotripsy.

James Prieto is a Colorectal Surgeon in Live Oak, Texas. Dr. Prieto is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Familial Colorectal Cancer, Proctitis, Colorectal Cancer, Hemorrhoidectomy, and Colostomy.

Prashant Kedia is a Gastroenterologist in Dallas, Texas. Dr. Kedia is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Hereditary Pancreatitis, Achalasia, Acute Pancreatitis, Endoscopy, and Gastric Bypass.

Dr. Brian Tibbs brings more than a decade of clinical and research experience to Texas Health Surgical Care. As a fellowship-trained trauma/critical care surgeon, he has extensive experience in the surgical management of patients with critical wounds, burns, traumatic injuries and other life-threatening conditions. With his added qualification in surgical critical care, Dr. Tibbs is also able to care for post-surgical patients in the ICU. He currently serves as the medical director of Trauma Services for Texas Health Presbyterian Hospital Dallas. Previously, he was the medical director of Burn and Trauma Research at Mercy Medical Research Institute in Springfield, Mo.Dr. Tibbs earned his medical degree from the University of Missouri-Kansas City. He remained in Kansas City to complete his residency training in general surgery before heading to Atlanta, Ga. While in Georgia, Dr. Tibbs pursued his fellowship-training in trauma and surgical critical care at Emory University School of Medicine. He uses advanced and minimally invasive surgical techniques to perform complex hernia and abdominal wall repairs; intestinal bowel surgeries, laparoscopic appendectomies, cholecystectomies and gallbladder removal; tissue biopsies; and other acute care and emergent surgeries.In addition to his in-depth clinical work in trauma and surgical critical care, Dr. Tibbs is well-published on topics ranging from burn trauma and gunshot wounds to hemorrhagic shock and rare fungal infections in tornado victims. He is a Fellow of the American College of Surgeons, and a member of the Eastern Association for the Surgery of Trauma and Western Trauma Association. Dr. Tibbs is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Subarachnoid Hemorrhage, Delirium, Ogilvie Syndrome, Synovectomy, and Gastrostomy.

Amit Desai is a Gastroenterologist in Plano, Texas. Dr. Desai is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Bile Duct Obstruction, Familial Adenomatous Polyposis, Gardner Syndrome, Endoscopy, and Gastrectomy.

Dr. Paulson is board certified in Medical Oncology and Internal Medicine. He serves as the co-director of the Gastrointestinal Research Program for The US Oncology Network, as well as the medical director for the Neuroendocrine Research and Treatment Center at Baylor Charles A. Sammons Cancer Center.Dr. Paulson is active in clinical research focused on neuroendocrine tumors, as well as cancers of the pancreas, liver, esophagus, stomach and colon. Dr. Paulson is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Neuroendocrine Tumor, Pancreatic Cancer, Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET), Gastrostomy, and Endoscopy.

Aravind Sanjeevaiah, MD is board-certified and fellowship training in Hematology and Oncology. After his fellowship training, he spent 3 years practicing in Anchorage, Alaska where he treated many patients with gastrointestinal cancers. His patients in Alaska presented him with unique clinical, social, and logistical challenges, which motivated him to cultivate an interest in GI oncology. He brought this interest in GI oncology to his previous practice where he ran clinical trials, trained medical students, residents, and fellows, and performed research in addition to treating patients with GI cancers. Dr. Sanjeevaiah is married to a fellow physician and has 3 children. In his spare time, he enjoys running, hiking, and spending time with his family at the beach. Dr. Sanjeevaiah is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Colorectal Cancer, Stomach Cancer, Neuroendocrine Tumor, and Gastrointestinal Stromal Tumor.

Dr. Harrison was born in Baytown, TX. He graduated from Texas A&M with honors. He has the distinction of being board-certified in three disciplines: General Surgery, Colorectal Surgery and Vascular Surgery. Dr. Harrison is a proponent for education. In addition to being a surgeon, he has also been an instructor for the Baylor College of Medicine Physician Assistant Program. His membership in several professional associations keeps him on top of the latest technology in all three fields. Dr. Harrison uses robot-assisted technology to perform minimally invasive surgery. Patients benefit from shorter hospital stays, less pain, and a lower risk of infection due to the nature of the procedure. Dr. Harrison married his high school sweetheart, Denise and they have four grown children. He and his wife moved to Austin from Tyler, TX to be closer to their children. They look forward to getting involved with their community and giving back. Dr. Harrison is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Carotid Artery Disease, Abdominal Aortic Aneurysm (AAA), Arterial Embolism, Carotid Artery Surgery, and Colostomy.

Nisa Kubiliun is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Kubiliun is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. Her top areas of expertise are Pancreatic Cancer, Bile Duct Stricture, Familial Pancreatic Cancer, Endoscopy, and Pancreatectomy.