A member of our Neurology team, Maria Gonzales, FNP-C, is a nurse practitioner who works closely with neurologists and other clinical staff to assess, diagnose and treat patients with neurological conditions such as stroke, epilepsy, multiple sclerosis, Alzheimer’s disease and chronic headache. Born and reared in the Philippines, she earned her Bachelor of Science in Nursing before emigrating to the United States in 2005. She practiced 17 years in healthcare settings in New York. In 2017 she joined Trinity Health, where she cared for patients in the Emergency/Trauma Center before completing her Master of Science degree in Advanced Nurse Practice from Walden University, Minneapolis. Maria is certified by the American Academy of Nurse Practitioners. She enjoys traveling when she’s not taking care of patients.
Mary Sadler, FNP-C
A nurse practitioner in Trinity’s Neurology Department, Mary Sadler, FNP-C, works closely with neurologists and other clinical staff to assess, diagnose and treat patients with neurological illnesses and injuries. She earned her Bachelor of Science in Nursing in 1998 from Minot State University and practiced 10 years with Trinity Health in the Rehabilitation, Ortho/Neuro and Emergency/Trauma departments. In 2010 she received her Master of Science/Family Nurse Practitioner degree from the University of Mary in Bismarck. Since then she has served patients in family practice and emergency settings, most recently serving as an Occupational Health/Family Practice nurse practitioner with Sanford Health. She’s a member of the American Academy of Nurse Practitioners, the North Dakota Nurse Practitioners Association, the American Academy of Neurology and the American College of Occupational and Environmental Medicine.
Katrina Peterson, PT, DPT
Katrina Peterson has been a physical therapist at Trinity since 2004. She grew up in Minot and graduated from the University of North Dakota with a doctorate in physical therapy in 2004. Her career has focused mainly on pediatric therapy, neurological rehabilitation, vestibular therapy, and aquatic therapy. Katie and her husband have 2 busy children. In her free time, she enjoys camping and horseback riding.
Rosina Medel, MD
Rosina Medel, MD, is a neurologist board certified by the American Board of Psychiatry and Neurology. Dr. Medel provides specialized care for patients dealing with the full spectrum of neurological disorders affecting the brain, nervous system, peripheral nerves and muscles. She received her early medical training in the Philippines, earning a nursing degree and later a medical doctorate from the University of Perpetual Help System. She migrated to the United States, where she completed a preliminary residency in Internal Medicine at Nassau University Medical Center, East Meadow, NY. She fulfilled her Neurology residency and performed a fellowship in Clinical Neurophysiology at JFK Medical Center in Edison, NJ, where she served as chief resident her final year and earned numerous awards for academic and clinical excellence. Dr. Medel is a member of the American Academy of Neurology.
Nancy Gasmann, PT
Nancy Gasmann is a native North Dakotan graduating from University of North Dakota with a Bachelor’s degree in Physical Therapy in 1984. She has worked for Trinity for 30 years with the focus of her practice for the last 20 years in pediatrics. Nancy initiated the Hippotherapy program with the Dakota Boys and Girls Ranch in 1993. Other areas of career focus include birth to three years of age with the Minot Infant Development and in the Neonatal Intensive Care Unit. Nancy and her husband have 2 grown children. In her free time she enjoys walking with the dogs and riding horse.