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Stem Cell Transplant and Cellular Therapy Program Care Team

Program Director

  • Margarida Silverman, MD

Assistant Director

  • Sheila Ouverson, MPA

Transplant Physicians

  • Umar Farooq, MD
  • Margarida Silverman, MD
  • Christopher Strouse, MD
  • Michael Tomasson, MD

Physician Assistants and ARNPs

  • Karen Ajram, PA-C
  • Jessie Alex, ARNP-DNP
  • Tony Brenneman, PA-C
  • Sarah Doyle
  • Georgina Glass, PA-C
  • Lauren Ringe, ARNP-DNP

Transplant Coordinators

  • Julie Aschenbrenner, RN, BSN, OCN, CHTC
  • Lizbeth Kaufman, RN, OCN, CHTC
  • Paula Maddy, RN
  • Annette Norland

Patient Education

  • Paula McCue RN, MA, OCN
  • Jim McCollough

Social Service

  • Courtney Vassilades

Dietician

  • Alexa Welch

Financial Coordinators

  • Kerri Fitch
  • Tammy Hatland

Data Coordinators

  • Nghi Luu
  • Brenda Miller, RN
  • Allyson Schultz

Pharmacy

  • Susan Fajardo, PharmD, RPh
  • Meradith Ginn

Clinic Nurses

  • Jacque Gingerich
  • Sherry Hall

Hospitalists

  • Susan Joy, ARNP
  • Shannon Kussatz, ARNP
  • Lauren M. Ringe, ARNP, DNP

Manager, Iowa Donor Services Program

  • Colleen Reardon, MBA, CHTC

Donor Coordinator

  • Rhonda Evans, MSN, RN, BMTCN, OCN

Inpatient Nurses

  • Kristen Andresen, Assistant Nurse Manager
  • Shannon Hunger, RN, BSN

Discharge Navigator

  • Sarah Johanns

Research Nurses

  • Karen Parrott
  • Pam Zehr

DeGowin Blood Center

  • Annette Schlueter, MD, PhD, Medical Director of Patient Services and Tissue and Cellular Therapies
  • Laura Collins, RN, BSN, HP(ASCP), Assistant Manager, Donor Collections and Patient Services
  • Beth Alden, MT(ASCP), Medical Laboratory Scientist Supervisor, Tissue and Cellular Therapies
  • Denise Baird, MT(ASCP), CQA(ASQ), Quality and Operational Improvement Engineer
  • Stacey Figgins, Patient Services Supervisor
  • Albert Andersen, Technologist
  • Mikhail Arey, Technologist
  • Matt Bahl, Technologist
  • Dave Huling, Technologist
  • Ryan Lamparek, Technologist
  • Andrew Nguyen, Technologist
  • Amber O’Shogay, Technologist

Learn more about our Pediatric Stem Cell Transplant and Cellular Therapy Program

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  • Stem Cell Transplant and Cellular Therapy
    • Blood and Marrow Transplant FAQs
    • Blood and Marrow Transplant Resources
    • Bone Marrow Transplant Quality and Outcomes
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    • Contact Stem Cell Transplant and Cellular Therapy Program
    • Facilities
    • Financial Services
    • Information for Stem Cell Transplant and Cellular Therapy Program Referring Providers
    • Services and Amenities
    • Transfer Your Blood and Marrow Transplant Care
    • University of Iowa Blood and Marrow Transplant Database©
    • Why Choose Us?

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