Home pageDermatology, P.C. Extended Providers

Amy S. Eschweiler 

 Amy S. Eschweiler

Amy is a state licensed Physician Assistant accredited by the NCCPA. Amy graduated Summa Cum Laude with a degree in Biology from the University of Northern Iowa and also received a Bachelor of Science degree-Physician Assistant from the University of Osteopathic Medicine and Health Sciences. Amy has worked in the Dermatology profession since 1999 and is a member of the following professional organizations: American Academy of Physician Assistants, the Society of Dermatology Physician Assistants, and the Iowa Physician Assistants.


Jennifer A. Vandivier

Jennifer A. Vandivier

Jennifer is a state licensed Physician Assistant accredited by the NCCPA. Jennifer graduated with a Bachelor of Science degree-Physician Assistant from Des Moines University. She also earned a Bachelor of Science-Nursing from Mount Mercy College. Along with Jennifer's impressive volunteer work, she is a member of the following professional societies: Iowa Physician Assistant Society, American Academy of Physician Assistants, Society for Dermatology PA's, and Iowa Dermatology Journal Club for mid-level practitioners.
Tonia K. Ackerman, MSN, ARNP

Tonia K. Ackerman, MSN, ARNP
Tonia is a state licensed Advanced Registered Nurse Practitioner. She is board certified in Family Practice by the American Nurses Credentialing Center. Tonia graduated in 2002 with a Masters of Science degree in Nursing-Family Nurse Practitioner from Clarkson College in Omaha, NE. She also earned her Bachelor of Science in Nursing from Grand View College in 1999, and an Associate degree in Nursing(RN) in 1990 from Marshalltown Community College. She has over 18 years of experience in several areas of nursing. Tonia is a member of the Iowa Nurse Practitioner Society, American Nurses Association, and the Society of Dermatology Physician Assistants.


Tonia K. Ackerman, MSN, ARNP

Sonja Baer
Sonja is a state licensed Physician Assistant accredited by the NCCPA. She has a Masters degree in Physician Assistant studies from Des Moines University. Sonja also has a Masters degree from Drake University in higher education and a Bachelors degree from Iowa State University in Physical education with a minor in Exercise science. As a Physician Assistant Sonja has worked in Orthopedics and also has 15 years experience as a certified athletic trainer and certified strength and conditioning specialist. She is currently a member of the Society of Dermatology Physician Assistants.


Megan Ferguson, A.R.N.P.

Megan is a state licensed Advanced Registered Registered Nurse Practitioner. She is board certified in Family Practice by the American Academy of Nurse Practitioners (AANP). Megan graduated with highest distinction and honors with her Bachelor of Science degree from the Univ. of Iowa. Megan then earned her Masters degree as a Family Nurse Practitioner. While in school Megan worked as an RN in adult oncology at Methodist hospital. She is a member of the American Academy of Nurse Practitioners.




Lisa Kirkpatrick P.A.-C
Lisa graduated from Grand View College with a degree in biology. She then earned a Masters Degree in Physician Assistant studies at Des Moines University. Lisa is state licensed by the NCCPA. Before joining Dermatology, PC Lisa worked in Family Practice for 2 years. She is a member of the American Academy of Physician Assistants..


Lizabeth Price, A.R.N.P
Liz is a state licensed Advanced Registered Nurse Practitioner. She is board certified in Family Practice by the American Academy of Nurse Practitioners. Liz graduated in 2002 with a Masters degree in Nursing-Family Nurse Practitioner from Drake University. She also eaarned her Bachelor of Science degree in Nursing from the University of Iowa. Liz is a member of the Iowa Nurse Practitioner Society, the American Academy of Nurse Practitioners, and the Society of Dermatology Physician Assistants.

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