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Our Staff

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

  • Physicians
  • Nurse practitioners
  • Registered nurses (RNs)
  • Licensed practical nurses (LPNs)
  • Medical assistants
  • Lab technologists
  • 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 Bachelor of Science degree 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 has worked in Berlin, Wis. for the past 16 years doing full-scope family care including comprehensive clinic practice, hospital admissions and delivering babies.


Cindy Schroeder, BSN, RN

Student Health Nurse


(920) 424-0005


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 10 years ago. Kristi joined the Student Health Center in September 2014.

Paula Hayford, MT (ASCP)

Laboratory Manager

(920) 424-0218

Hayford received her Bachelor of Science degree in Medical Technology from UW Milwaukee and her Master of Science in Training and Development from UW Stout. She has worked at the Student Health Center since 1983.


Sue Fahrenkrug, MT (ASCP)

Laboratory Technician

(920) 424-0218

Having graduated from UW Oshkosh in 1985 with a medical technology degree, Fahrenkrug has been with the Student Health Center since January 2013.


Juliana Kahrs, MS

Health Promotion Coordinator

Kahrs, J.


Kahrs received her bachelor's degree from Denison University and completed a Master of Science 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.


Tiffany Ruth, CMA

Medical Assistant

(920) 424-2424

Ruth received her medical assistant certification from Fox Valley Technical College in 2006. She is currently working on her Bachelor of Science in Nursing at UW Oshkosh and has been at the Student Health Center since 2010.


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 recieved her Medical Assistant Certification in June of 2000 from NWTC in Green Bay and is currently taking classes to pursue a nursing degree.

Having 13 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 18 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


New Patient Forms

Free Sexual Health Care

Student Insurance

Up to Date

Health Advocates

No Show Policy


 Marketplace Insurance

Contact Us

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


August 31 - Sept. 4
9-3 for appointments 

CLOSED: 8-Noon Tuesday, Sept. 8; Open for appts. Noon-4:30 PM
CLOSED: 8-Noon Friday, Sept. 11; Open for appts. Noon - 4:30 PM 
CLOSED: all day Tuesday, May 17

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.

Summer 2016
Monday - Thursday  9 a.m. - 3 p.m.


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