Dr. Jeffrey H. Lee

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 a Distinguished provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Choledocholithiasis, Chronic Pancreatitis, Bile Duct Obstruction, Endoscopy, and Lithotripsy.

Dang Nguyen is a Gastroenterologist in Houston, Texas. Dr. Nguyen is rated as a Distinguished provider by MediFind in the treatment of Glucagonoma. His top areas of expertise are Angiodysplasia of the Colon, Childhood Volvulus, Portal Hypertension, Endoscopy, and Gastrectomy.

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 Cancer, and Gallbladder Adenocarcinoma.