Administration | Multispecialty Program | Oncology Program 


Dr. Steve Ziemba

Steve J. Ziemba, Ph.D
Center Director
1000 North Oak Avenue-1R3
Marshfield, WI 54449
Phone: 715-389-7644
Fax: 715-389-3319
Toll-free:1-800-782-8581, ext. 9-7644

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Robert M. Haws, M.D. 
Multispecialty Director 
1000 North Oak Avenue-1R5
Marshfield, WI 54449
Phone: 715-389-3044
Fax: 715-389-3319
Toll-free:1-800-782-8581, ext. 9-3044

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Adedayo A. Onitilo, M.D.
Oncology Director
3501 Cranberry Boulevard
Weston, WI 54476
Phone: 715-389-4457
Fax: 715-389-3319
Toll-free:1-800-782-8581, ext. 9-4457

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Melissa Slager

Melissa Slager, BS
Manager - Research Studies
1000 North Oak Avenue-GR3
Marshfield, WI 54449
Phone: 715-389-3531
Fax: 715-389-3067
Toll-free:1-800-782-8581, ext. 9-3531

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Ray C. Haselby, D.O.
Emeritus Researcher
Infectious Disease
1000 North Oak Avenue-1R5
Marshfield, WI 54449
Phone: 715-389-3056
Fax: 715-389-3319
Toll-free:1-800-782-8581, ext. 9-3056

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Joseph J. Mazza M.D., MACP
Emeritus Researcher
Hematology-Oncology
1000 North Oak Avenue-1R5
Marshfield, WI 54449
Phone: 715-389-7643
Fax: 715-389-3319
Toll-free:1-800-782-8581, ext. 9-7643

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Fergus E. McKiernan, M.D.
Emeritus Researcher
Rheumatology
1000 North Oak Avenue-GR4
Marshfield, WI 54449
Phone: 715-387-5909
Fax: 715-389-3319
Toll-free:1-800-782-8581, ext. 7-5909

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Marilyn Workinger

Marilyn S. Workinger, PhD
Emeritus Researcher
Speech Pathology
1000 North Oak Avenue-ML3
Marshfield, WI 54449
Phone: 715-389-3695
Fax: 715-389-3319
Toll-free:1-800-782-8581, ext. 9-3695

E-mail


Michelle Wellsandt
Graphic Production Tech/Admin Sec
1000 North Oak Avenue-1R5
Marshfield, WI 54449
Phone: 715-389-7631
Fax: 715-389-3319
Toll-free: 1-800-782-8581, ext. 9-7631

E-mail