Welcome New Doctors

Welcome New Physicians

Hossein Dehghani, M.D., an interventional cardiologist, has joined NorthBay Medical Group in Fairfield. He earned his medical degree from Jefferson Medical College in Philadelphia. He completed his residency in internal medicine at Beth Israel Medical Center in Boston and a general fellowship in medicine at Harvard Medical School. Dr. Dehghani was chief fellow in cardiology at Tulane University Hospital in New Orleans. He also completed an interventional cardiology fellowship at UCSF in San Francisco. He was previously an interventional cardiologist and medical director of the Critical Care Unit at San Antonio Community Hospital in Upland, California. He is board-certified in internal medicine, general cardiology and interventional cardiology.

Jessica F. Powers, M.D., a hematology/oncology physician, has joined NorthBay Cancer Center in Vacaville. She was previously medical director of hematology/oncology at David Grant Medical Center, Travis Air Force Base. Dr. Powers earned her medical degree at Virginia Commonwealth University, Medical College of Virginia, with honors. She completed her internship and residency in internal medicine and a fellowship in hematology/oncology at Wilford Hall Medical Center in San Antonio, Texas. She is board-certified in internal medicine, hematology and oncology.

Michael J. Krier, M.D., a gastroenterologist, has joined NorthBay Medical Group. He was previously the chief of gastroenterology/hepatology at David Grant Medical Center, Travis Air Force Base. Dr. Krier graduated with honors from Wright State University School of Medicine. He completed an internship in internal medicine at Keesler Medical Center, U.S. Air Force, Biloxi, Mississippi, and his residency in internal medicine at Madigan Army Medical Center, Fort Lewis, Washington. He completed a fellowship in gastroenterology at Stanford University Medical Center.

To see all of our NorthBay physicians, visit NorthBay.org.

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