Menominee Tribal Clinic • W3275 Wolf River Rd • Keshena, WI 54135 •  715-799-3361

Menominee Tribal Clinic • W3275 Wolf River Rd • Keshena, WI 54135 •  715-799-3361

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Amy J. Slagle is a Family Physician,Menominee Tribal Clinic

Amy J. Slagle is a Family Physician in the Medical Department and the Medical Director for the clinic. Dr. Slagle received her B.A. from the University of Missouri-Columbia in 1984, her M.D. from the University of Missouri-Columbia in 1991. She completed her residency from the University of Wisconsin-Madison from 1991-1994. Dr. Slagle specializes in family Practice, Board Certified. Amy is family centered, and has an interest in low-intervention obstetrics.

Alexandra “Allie” Wolf is a Family Physician in the Medical Department. She received her B.S. at Marquette University in Milwaukee in 2012, her D.O. from AT Still University-Kirksville College of Osteopathic Medicine in 2018, and completed residency at the University of Wisconsin-Madison in 2021.  She has special interests in obstetrics, women’s health, osteopathic manipulative therapy, musculoskeletal medicine, and general wellness. Allie enjoys cheering for the Green Bay Packers, hiking, canoeing, coffee, singing, and spending time with her young daughter.

Elizabeth A. Radtke-Petri is a Nurse Practitioner in the Medical Department. “I believe in holistic care (treating the whole person) and their family. I believe prevention is the key to long term health.”

She received her B.S.N. from the College of St. Catherine in St. Paul, MN., in 1984. She received her F.N.P. from University of Wisconsin Oshkosh in 1993.She enjoys being with her family, boating, skiing, and camping.

Heather Nennig  is a Physican in the Medical Department. Dr. Nennig received her B.A. in biology and chemistry from Ripon College in 2011 and her M.D. from the University of Wisconsin School of Medicine and Public Health in 2015.  She completed her residency in 2018 at Ventura County Medical Center in Ventura, CA and a one-year fellowship in high-risk obstetrics and women’s health at Ventura in 2019.  She is interested in women’s health, high-risk and surgical obstetrics, addiction medicine, pediatrics and chronic disease.  In her free time, she enjoys creating crafts, going on walks and bike rides, and spending time with her husband and 3 cats.

Dr. Joseph E. Guenther is a Physician in the Medical Department. “I believe that a good balanced diet and regular exercise should be a part of all of our lives and is a key to good health.” Dr. Guenther received is B.A. from UW Platteville and received his M.D. from UW Madison. and completed his residency at UW Department of family medicine in Eau Claire WI. Dr. Guenther specializes in family practice He enjoys a lot of running, hunting, fishing, skiing.

Peter C. Keenan is a Physician in the Medical Department. “I feel privileged to continue my practice at the Tribal Clinic. Where my work is appreciated and I can concentrate on the patient and not be dictated by insurance or the patients ability to pay.” Dr. Keenan received his B.A. from John Caroll University in Cleveland , OH., in 1988. Received his M.D. from St. Louis University in 1994, and completed his residency at St. Johns Mercy Medical Center. Dr. Keenan specializes in Family Practice. He enjoys mountain biking, Tae Kwan Do, and gardening.

Shannon B. Daun is a physician in the medical department. “It is an honor to serve the Menominee people. Health education, disease prevention, & compassionate care are the key elements of my medical practice.” Dr. Daun received her B.S. in women’s studies & zoology from UW-Madison in 1998, her M.D. from the Medical College of Wisconsin in 2003, and completed her family medicine residency in 2006 at the La Crosse-Mayo Family Medicine Residency. Dr. Daun specializes in family medicine. She enjoys spending time with family & friends, growing in her Christian faith, reading books, and camping.

Sarah Harkey is a board certified Family Nurse Practioner caring for all age groups. Her BSN was obtained from Bellin college and her MSN from University of North Dakota. She is an enrolled member of the Menominee Tribe. Sarah has over 8 years of experience as a registered nurse in tribal clinics which has led her to her overall interest to make a difference in the health and well-being of Native Americans.

Estelle Ostgard is a Physician in the Medical Department Dr. Ostgard is a graduate of the University of South Dakota, Sanford School of Medicine. She currently has experience in treating chronic illness of adult and pediatric patients, prenatal care, women’s health, sports medicine, geriatrics, skin care, and psychiatric care.

Jackie Moe is a Physician in the Medical Department She is a Board certified family Nurse Practitionar. She joined the Menominee Tribal Clinic in the Medical Department in 2018. Prior to that worked in the Shawano Medical Center Emergency Department as a nurse, then a Nurse Practioner for many years. She received her Under graduate degree from UW-Oshkosh and Masters degree from Concordia Univeristy, Milwaukee. I enjoy working with all ages in both acute and chronic health issues. She see’s patients Monday thru Friday.

Michael O'Neill is Psychiatric Consultant in Mental Health Services. Menominee Tribal Clinic, Wisconsin

Michael O’Neill is Psychiatric Consultant in Mental Health Services. “The doctor-patient relationship is the key to the healing process and each patients individual uniqueness must be respected.” He graduated from the University of Notre Dame, attended the Medical School from University of Chicago, and did his Psychiatry Residency at the University of Wisconsin. He Specializes in Psychiatry. Michael O’Neill enjoys reading, music, outdoors, biking and golf.


Dr. Matt Charging is a Staff Dentist in the Dental Department Matt received his B.A. from North Dakota State University and his D.D.S. from the University of Minnesota School of Dentistry. He practices all aspects of general dentistry and particularly enjoys delivering restorative, prosthodontic and surgical treatment. Matt enjoys spending time with friends and family, cooking, fishing and tinkering with computers.

James Hines is a Staff Dentist in the Dental Department Graduated from the University of Kentucky College of Dentistry Enjoys camping, fishing, and college basketball.


Our medical physicians and providers are looking forward to seeing you.  Call 715-799-3361 or click here to schedule an appointment with Menominee Tribal Clinic. 

After Hours Services

24-Hour NURSES HOTLINE: 1-866-540-6360


If you are in need of medication on weekends and evenings, it is best to call the nurse hotline. If needed, they will contact the doctor on-call. Note that narcotic pain medicines or other high-risk medications are not called in on weekends or evenings.

Find A Provider

View our medical physicians, nurse practitioners, psychiatric consultants, and dentists.  Menominee Tribal Clinic is hiring. Visit this section of our website to view provider profiles & bios.