5400 Mackinaw Road, Suite 4200
Saginaw, MI 48604
989-791-2330
989-791-2329 (Fax)
800-801-4633

Additional offices to serve you:
Caro, Marlette, and West Branch

     
     

Welcome

Dr. John Bartnik
John Bartnik, M.D.
Dr. Bei Liu
Bei Liu, M.D.

Amy Doornbos, MS, PA-C

Bonnie Stiles, FNP-C

 

The mission of Oncology/Hematology Associates of Saginaw Valley, P.C., its physicians and staff is to provide expert, quality and compassionate care to all patients in a safe and compliant environment.

Specialties


  • Oncology
  • Hematology

 

Staff Information



Saginaw Office:

Amy Doornbos, MS, PA-C
Physician Assistant

Bonnie Stiles, FNP-C
Nurse Practitioner

Anna Rybinski
Office Manager

Jennifer Metevia
Insurance Billing Manager

Mary Kasper
Medical Biller

Julie Kuch
Medical Biller

Sherry Volz
Medical Biller

Shannon Ochoa, R.N., OCN
Nurse Manager

Dawn Day, R.N., OCN
Chemotherapy Nurse

Tracy Volz, R.N.
Chemotherapy Nurse

Cassi Honeman, L.P.N.
Licensed Practical Nurse

Chelsea Donahue, L.P.N.
Licensed Practical Nurse

Shannon Mulka, MA
Medical Assistant

Kelly Nothelfer-McKissack, MA-C
Medical Assistant

Marlene Otto-Hall, MA
Medical Assistant

Lisa Gavit
Medical Receptionist

Nicole Carlson
Medical Receptionist

Chelsea Horvath, M.A.
Medical Assistant

Lynda Robinson
Medical Transcriptionist

Caro Office:

Dawn Day, R.N., OCN
Chemotherapy Nurse

Tracy Volz, R.N.
Chemotherapy Nurse

Nancy Streussnig, LPN
Licensed Practical Nurse

Chelsea Horvath, M.A.
Medical Assistant

Jennifer Spencer
Medical Receptionist

Nicole Carlson
Medical Receptionist

Marlette:

Dawn Day, R.N., OCN
Chemotherapy Nurse

Tracy Volz, R.N.
Chemotherapy Nurse

Nancy Streussnig, LPN
Licensed Practical Nurse

Jennifer Spencer
Medical Receptionist

Chelsea Horvath, M.A.
Medical Assistant

West Branch Office:

Brooke Collins, R.N., OCN
Chemotherapy Nurse

Marianne Flick, R.N., OCN
Chemotherapy Nurse

Wanda Hopkins, MA
Medical Assistant

Nicole Carlson
Medical Receptionist