Dr. Gregory Don Paulsen

Dr. Gregory Paulsen specializes in internal medicine and hospital medicine, bringing nearly five decades of medical expertise to his practice. He earned his medical degree from the University of Iowa and completed his residency training at St Joseph Mercy Health System. With 49 years of experience treating adult patients, Dr. Paulsen focuses on comprehensive internal medicine care and inpatient hospital services. He communicates with patients in English.

Dr. Paulsen practices at multiple locations throughout the Dubuque area in Iowa, including MercyOne Dubuque Medical Center and MercyOne Dyersville Medical Center, as well as Medical Associates Clinic. His clinical focus includes diagnosing and managing vitamin D deficiency, a common nutritional concern that can affect bone health and overall wellness. He performs vitamin D testing to help identify patients who may benefit from supplementation or dietary changes to support optimal health outcomes.