Meet the Providers

Sharon Dunkel, FNP

Shari graduated with a Masters of Science in Nursing and a Nurse Practitioner certification from the University of North Dakota. Shari has experience in Internal Medicine, OB/GYN, women's health and mental health. She came to Student Health Service in April 2015.

Heidi Borowiecki, FNP

Heidi graduated with a Masters of Science in Nursing and obtained a Family Nurse Practitioner degree from Arizona State University. Heidi has experience in family practice, occupational health, and hospitalist groups. She came to Student Health Service in September 2025.

Kayla Bowers, FNP

Kayla graduated with a Masters of Science in Nursing degree at St. Scholastica in Duluth, MN. Her previous work history includes family medicine, public health, women's health, rural health, sleep medicine and student health. She has been with Student Health Service since 2022.

Marit Hordvik, MD

Dr. Hordvik graduated from medical school at University of North Dakota and completed her residency program in Family Medicine. She also completed one year of a psychiatry residency. Her experience ranges in departments such as obstetrics, ER, ICU, Surgical Care, and the Medical Unit. Some procedures she is able to perform include (but not limited to) biopsies, IUD placement/removal, laceration repair, and toenail removal. She has been with Student Health Service since 2014.

Joanna Johnson, PMHNP

Joanna Johnson, PMHNP is a Psychiatric Mental Health Nurse Practitioner. She received a Masters of Science in Nursing as a Psychiatric Mental Health Nurse Practitioner from UND. She then received a Doctorate of Nursing Practice from UND. Joanna has a range of experience in mental health including in-patient, out-patient, and residential setting experience. She has been a speaker at local and national conferences and is a mental health and wellness educator. She utilizes non-pharmacological interventions alongside traditional psychiatric medication. She started with Student Health Service in March 2024.

Jean Seltvedt, FNP

Jean graduated with a Bachelor of Science in Nursing and completed certification as a Physician Assistant and Family Nurse Practitioner from the University of North Dakota. Jean has experience in many different areas including walkin clinics, family practice and internal medicine. She has been with Student Health Service since 2005.

JoAnna Solhjem, FNP

JoAnna graduated with a Masters of Science in Nursing in the Family Nurse Practitioner program at the University of Mary. JoAnna has worked in family medicine, women’s health, the walk-in clinic setting, and has extensive experience working with patients with mental health and addiction issues. She has been at Student Health Services since 2011.

Kristin Toay, FNP

Kristin graduated with a Masters of Science in Nursing in the Family Nurse Practitioner program at the University of North Dakota. She has experience in women's health and sexual and reproductive health including performing procedures such as Nexplanon and IUD insertion/removal. She has been at Student Health Services since September 2025.

What is the difference between a Medical Doctor and a Nurse Practitioner?

Medical Doctor

A Medical Doctor (MD) is a physician who has received a doctoral degree from a medical school. MDs are able to practice medicine to treat medical conditions including illnesses and injuries.

Nurse Practitioner

A Nurse Practitioner (NP) is a nurse who has completed additional education and training at an advanced level (typically completing a Master's Degree or Doctoral Degree). In order to practice, they must pass a national certification exam, be involved in a periodic peer review program and clinical outcome evaluations while also adhering to a code of ethical practices. NPs are able to do the following:

Work independently in medical care facilities and hospitals
Assess and diagnose medical conditions
Provide initial treatment
Order diagnostic testing
Order treatments
Prescribe medications and/or drugs
Perform physical examinations
Make referrals to a specialist