Our Providers

We have a variety of healthcare providers on campus to serve you.

Dr. Mark Christenson

Dr. Mark Christenson began his employment with University of North Dakota Student Health Services in 1997. He received his BS in Physical Therapy at University of North Dakota in 1987. He completed his Doctor of Medicine at UND in 1994 and completed his Family Practice Residency at the Grand Forks Family Practice Residency in 1997. Dr. Christenson has worked in the health care field for over 20 years. He is board certified in Family Medicine and an Aviation Medical Examiner.

Dr. Tim Heinley

Dr. Tim Heinley began his employment with the University of North Dakota Student Health Services in 1993. He completed his Doctor of Medicine at UND in 1988 and completed his Family Practice Residency at Grand Forks Family Practice Residency in 1991. He spent two years with Grand Forks Clinic and Hospital in Family Medicine. Dr. Heinley has worked in the health care field for over 30 years. He is an Aviation Medical Examiner.

Sarah Gustafson, FNP-C

Sarah Gustafson, Family Nurse Practitioner, began her employment with University of North Dakota Student Health Services in 2015. She received her Associate Nursing Degree from Anoka-Ramsey Community College. She received her Masters of Science in family nurse practitioner specialty from the University of North Dakota in 2013. Sarah has worked in the health care field for over 14 years. She is certified through the American Association of Nurse Practitioners. She is a member of the North Dakota Nurse Practitioner Association.

Melissa Hayes, FNP-C

Melissa Hayes, Family Nurse Practitioner, began her employment with University of North Dakota Student Health Services in 2018. She received her BSN in Nursing with a minor in Nutrition from the University of North Dakota. She received her Masters of Science in family nurse practitioner specialty from the University of North Dakota in 2015. Melissa has worked in the health care field for over 25 years. She is certified through the American Association of Nurse Practitioners.

Bonnie Freeland, FNP-C

Bonnie Freeland, Family Nurse Practitioner, began her employment with University of North Dakota Student Health Services in 1996. She received her BSN from the University of North Dakota. She received her Masters of Science in family nurse practitioner specialty from the University of North Dakota. Bonnie has worked in the health care field for over 23 years. She is certified through the American Nurses Credentialing Center. She is a member of the North Dakota Nurse Practitioner Association.

Dr. Ellen Feldman

Dr. Feldman has worked as a consultant at the University of North Dakota Student Health Services and University Counseling Center since 2010. Dr. Feldman is a psychiatrist at Altru and is the chair of the department of Behavioral Health at Altru Health System.