A certified registered nurse anesthetist, Nicole A. Underdahl, MS, CRNA, provides anesthesia care to patients across a wide spectrum of surgical cases. Originally from Hazen, Nicky earned her Bachelor of Science in Nursing from MedCenter One College of Nursing, Bismarck, in 1996, and received her Master of Science in Nurse Anesthesia from the University of North Dakota, Grand Forks, in 2009. Prior to joining Trinity’s Anesthesia department she worked in Trinity’s ICU and was a flight nurse with Northstar Criticair. A member of the American Association of Nurse Anesthetists and the North Dakota Association of Nurse Anesthetists, Nicky is certified by the National Board of Certification and Recertification of Nurse Anesthetists. She and her husband have two grown children.
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Ashley Stevens, CRNA
A certified registered nurse anesthetist, Ashley L. Stevens, CRNA, provides anesthesia care to patients across a wide spectrum of surgical cases. The Minot native earned her Bachelor of Science in Nursing from Minot State University and received her Master of Science in Nurse Anesthesia from Texas Wesleyan University, Fort Worth. Her CRNA training included a two-and-a-half-year residency at St. Alexius Medical Center, Bismarck, and an obstetric epidural/spinal rotation at Parkland Memorial Hopsital, Dallas, TX. Prior to joining Trinity’s Anesthesia department she worked six years in the Intensive Care and Post Anesthesia Care units as an RN. A member of the American Association of Nurse Anesthetists and the North Dakota Association of Nurse Anesthetists, Ashley is certified by the National Board of Certification and Recertification of Nurse Anesthetists. She and her husband, Guy, have a daughter.
Michael Templer, MD
Trinity Health welcomes Michael J. Templer, MD, a pain specialist double board certified in Pain Management and Anesthesiology. Dr. Templer completed his Anesthesiology residency and Pain Management fellowship at Wayne State University in Michigan. He comes to Minot from Illinois, where he provided comprehensive pain management in association with Orthopedic Center of Southern Illinois. As medical director of the Trinity Pain Center at Trinity Health South Ridge, he provides the full range of non-surgical remedies, including injection therapies, nerve blocks and electrical stimulation.
Brian Tin-Maung, MD
A board certified anesthesiologist, Dr. Tin-Maung manages patient pain levels before, during, and after surgical procedures, with a focus in obstetrical and cardiac anesthesiology. Born and reared in Myanmar (Burma), he earned his medical degree from the University of Medicine 1 in Yangon and completed his Anesthesiology residency at New York Medical College, Valhalla.
Kari Rist, CRNA
A certified registered nurse anesthetist, Kari Rist, CRNA, provides anesthesia care to patients across a wide spectrum of surgical cases. She earned her Bachelor of Arts in Nursing from Concordia College in Moorhead, MN, and received her Master of Science in Nurse Anesthesia from the University of North Dakota, Grand Forks. Prior to pursuing her advanced degree she served as a registered nurse at UniMed Medical Center and later at Trinity Health after the two systems merged. She’s been a member of Trinity’s Anesthesia Department since 2004. A member of the American Association of Nurse Anesthetists, Kari is certified by the National Board of Certification and Recertification of Nurse Anesthetists.
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.
Howard Reeve, MD
Howard Reeve, M.D. is board certified in Family Medicine, he obtained his medical degree from the University of North Dakota School of Medicine in Grand Forks. He completed his residency at the UND Family Practice Center in Minot, North Dakota. Dr. Reeve has extensive experience and stays current in his field with annual continuing medical education in Occupational Medicine. He is a certified examiner for DOT physicals.
Christine Nelson, CRNA
A certified registered nurse anesthetist, Christine M. Nelson, CRNA, provides anesthesia care to patients across a wide spectrum of surgical cases. A Minot native, she received her Bachelor of Science degree in Nursing from Minot State University and completed her Master of Science in Nurse Anesthesia at the University of North Dakota, Grand Forks. She was a staff RN with Trinity Health for five years prior to joining our Anesthesia team. Christine is a member of the American Association of Nurse Anesthetists and the North Dakota Association of Nurse Anesthetists.
John Nwankwo, MD
A member of our Anesthesiology team, John Nwankwo, MD, provides safe and effective anesthesia care for patients undergoing the full range of surgical procedures. He received his Doctor of Medicine degree from the American University of Antigua College of Medicine in the Caribbean and completed his four-year Anesthesiology residency at the University of Arkansas for Medical Sciences in Little Rock. He also holds an MBA in Healthcare Administration from Plymouth State University, New Hampshire. Originally from Nigeria, Dr. Nwankwo spent his early career as a petroleum geologist, exploring for oil and gas deposits in Malaysia and performing geological survey in Las Vegas. He also practiced as a Registered Nurse in Houston, TX, prior to pursuing his medical career. He is a member of the American Society of Anesthesiologists and the American Medical Association.
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.