Medical Staff Services Department Directory
Mark Kehrberg, M.D., M.S., F.A.A.P.
Chief Medical Officer and Senior Vice President
Affinity Health System
Mercy Medical Center
500 South Oakwood Road
Oshkosh WI 54904
(920) 223-0503
mkehrber@affinityhealth.org
Margaret (Peg) Schiek, Manager
Medical Staff Services
Affinity Health System
1570 Midway Place
Menasha, WI 54952
P (920) 720-1673
F (920) 720-1906
pschiek@affinityhealth.org
Affinity Health System Credentials Verification Office
Mary Lehr, Medical Staff Coordinator
Affinity Health System
1570 Midway Place
Menasha, WI 54952
P (920) 720-1671
F (920) 720-1906
mlehr@affinityhealth.org
Deb Moede, Credentialing Coordinator
Affinity Health System
1570 Midway Place
Menasha, WI 54952
P (920) 720-1672
F (920) 720-1906
dmoede@affinityhealth.org
Jennifer Vander Pas, Credentialing Specialist
Affinity Health System
1570 Midway Place
Menasha, WI 54952
P (920) 720-1609
F (920) 720-1906
jvanderp@affinityhealth.org
Sarah Joyce, Clerical Assistant
Affinity Health System
1570 Midway Place
Menasha, WI 54952
P (920) 720-1677
F (920) 720-1906
sjoyce@affinityhealth.org
Affinity Health System Sites
Geri Schwartz, Affinity Medical Group/AHS Medical Staff Coordinator
Affinity Health System
1570 Midway Place
Menasha, WI 54952
P (920) 720-1605
F (920) 720-1906
gschwart@affinityhealth.org
Tara Nunenkamp, Senior Administrative Assistant
Calumet Medical Center
614 Memorial Drive
Chilton, WI 53014
P (920) 849-2386 Ext 212
F (920) 849-7510
tnunenka@affinityhealth.org
Carole Carow, Medical Staff Coordinator
Mercy Medical Center
500 S Oakwood Road
Oshkosh, WI 54904
P (920) 223-0275
F (920) 223-0283
ccarow@affinityhealth.org
Lisa Sorenson, Medical Staff and CME Coordinator
St. Elizabeth Hospital
1506 S Oneida Street
Appleton, WI 54915
P (920) 738-2058
F (920) 738-2541
lsorenso@affinityhealth.org
Network Health Plan/Network Health Insurance Company
Tricia Short, Credentialing Coordinator
Affinity Health System
1570 Midway Place
Menasha, WI 54952
P (920) 720-1607
F (920) 720-1906
tshort@affinityhealth.org
Please contact Lisa Sorenson for changes or revisions at lsorenso@affinityhealth.org.

