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Our Staff

The Student Health Center staff at the University of Wisconsin Oshkosh consists of:

  • Physician
  • Nurse practitioners
  • Registered nurse (RN)
  • Licensed practical nurse (LPN)
  • Medical assistants
  • Lab technologist
  • Health promotion coordinator
  • Support staff


Pamela MacWilliams, RN, MSN, APNP, ANP-BC

Director, Student Health Center

(920) 424-0425
MacWilliams received her diploma in nursing from Fairview Deaconess School of Nursing in Minneapolis, Minn. and her undergraduate and graduate degrees in nursing from the University of Wisconsin Oshkosh. She is a certified Adult Nurse Practitioner and has over 29 years of nursing experience. She has worked as the director at the Student Health Center since 2009.


Shawn Ekstrom, M.D.

Senior Physician

(920) 424-2424
Dr. Ekstrom graduated with a B.S. in Biology with an emphasis in biomedical science from Montana State University as a non-traditional student. She completed medical school from the School of Medicine at University of Washington in Seattle and her residency program through the University of Wisconsin at Wausau Family Practice. She worked in Berlin, WI for several years doing full-scope family care including comprehensive clinic practice, hospital admissions and baby delivery.


Cindy Schroeder, BSN, RN

Student Health Nurse

Cindy Schroeder

(920) 424-0005
Cindy received her B.S. in Nursing from Valparaiso University in Indiana.  She started in the Intensive Care Unit in Hobart, Indiana, moved to Oshkosh in 1997 and then transitioned into being a primary care nurse in Family Practice at Aurora Healthcare.  Having over 20 years experience as a Registered Nurse, Cindy started fall of 2015 and is excited to work with the students and staff at UWO.

Kristi Ziolkowski, RN, MSN, APNP

Nurse Practitioner

Kristi Ziolkowski

(920) 424-2424
Ziolkowski received her undergraduate and graduate degrees from the University of Wisconsin Oshkosh in 2008 and 2014 respectively.  Her nursing career started at the University of Wisconsin Hospital in Madison on the cardiac unit.  From there she ventured back to the Fox Valley, started in the intensive care unit, and completed her graduate degree to become a nurse practitioner.  She is now excited to be practicing as a Family Nurse Practitioner in Oshkosh where her nursing journey began years ago. Kristi joined the Student Health Center in September 2014.

Angela Darnick, RN, MSN, APNP, NP-C

Nurse Practitioner

 Angela Darnick

(920) 424-2424
Darnick received her B.S. in Nursing from Marquette University in 2006 and M.S. in Nursing from the University of Wisconsin Oshkosh in 2012. She started her nursing career on a Neurosurgery unit at Froedtert Hospital and ventured into Labor and Delivery shortly after.  She continued her career as a Labor and Delivery nurse while completing her graduate education to become a family nurse practitioner.  She previously worked as a nurse practitioner in a women’s health clinic in Neenah and is now excited to be practicing in primary care at UWO, having started in August 2015.

Erin Dercks, RN, MSN, APNP

Nurse Practitioner

 Erin Dercks

(920) 424-2424
Erin graduated with a B.S. in Nursing from Bellin College of Nursing in Green Bay in 2009.  She earned her M.S. from Marian University and became certified as an Adult-Geriatric Primary Care nurse practitioner in 2013.  Prior to joining the Student Health Center, she worked as a Urology Nurse Practitioner in Appleton and as a surgical floor nurse at Bellin Hospital.  She is very excited to work with the student population here at the University of Wisconsin-Oshkosh.

Paula Hayford, MT (ASCP)

Laboratory Manager

(920) 424-0218
Hayford received her B.S. in Medical Technology from UW Milwaukee and her M.S. in Training and Development from UW Stout. She has worked at the Student Health Center since 1983.


Juliana Kahrs, MS

Health Promotion Coordinator

Juliana Kahrs

(920) 424-4001
Kahrs received her B.S. from Denison University and completed a M.S. in Kinesiology & Health, with an emphasis in Health Promotion from Miami University (of Ohio). Through program development and research, she is focused on the behavioral health of college students, including the environmental and social factors that influence those health behaviors, personal well-being, and overall quality of life.


Kathy Ludwig, LPN

Licensed Practical Nurse

(920) 424-2424
Ludwig received her LPN degree from Fox Valley Technical College. She has been in the Student Health Center since 1998.


Jaime Zimdars, MA

Medical Assistant

Jaime Zimdars

(920) 424-2424
Zimdars is a Medical Assistant with responsibility for providing primary care assistance, health education to patients, and performing clinical duties by the direction of the center's health care practitioners. She received her Medical Assistant Certification in June 2000 from NWTC in Green Bay and is currently taking classes to pursue a nursing degree.

Having many years of experience in the healthcare field, including Oncology, Primary care, Internal Medicine, and Pediatrics, Zimdars started at SHC in 2014. In her spare time, she enjoys spending time with her children, family and friends, fishing, and camping.

Karen Scholfield

Medical Program Assistant (Medical Records)


(920) 424-2092
Scholfield has worked in the Student Health Center since 2005. She has been involved with the medical business office environment for over 19 years.


Anne M. Murphy, MSE

Office Manager

(920) 424-2425
Murphy received her B.S. in Organizational Administration and M.S. in Education from UW Oshkosh. She started in the Student Health Center in July 2013.



Self Help Guide

SH101 Orientation Issue

Parent Health 101


Free sexual health care


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Contact Us

Student Health Center
777 Radford Hall
Phone: (920) 424-2424 · Fax: (920) 424-1769


CLOSED: May 30, July 4

FALL & SPRING (14-week terms)
Monday 8 a.m.–6:30 p.m.
Tuesday 10 a.m.–4:30 p.m.
Wednesday 8 a.m.–4:30 p.m.
Thursday 8 a.m.–4:30 p.m.
Friday 8 a.m.–4:30 p.m

Interims (3 weeks)
Mon., Wed., Thurs., Fri. 8 a.m. - 4:30 p.m.
Tuesdays: 10-4:30 p.m.

Spring Break and Summer 2016
Monday - Thursday  9 a.m. - 3 p.m.


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The University of Wisconsin Oshkosh — Where Excellence and Opportunity Meet.