Our Team

Marion Trybula, M.D.

Marion Trybula

Dr. Trybula is Board Certified in Medical Oncology, Hematology, and Internal Medicine. He joined Premier Oncology Hematology in 1996. Dr. Trybula is a native of Chicago, completing his undergraduate degree at The University of Chicago. He completed his Doctorate of Medicine at Johns Hopkins Medical School and his fellowship in Oncology and Hematology at Rush University Medical Center. Dr. Trybula is committed to continuing education and feels staying abreast of breaking clinical research in medicine enables him to provide his patients with the highest quality care. He is dedicated to quality in cancer care, and serves on multiple quality committees at hospitals throughout Northwest Indiana.

  • Undergraduate
  • University of Chicago
  • Internal Medicine Residency
  • Johns Hopkins Medical School
  • Medical Oncology
  • Rush University Medical Center
  • Hematology
  • Rush University Medical Center
  • Diplomate of American Board of
  • Internal Medicine in  Medical Oncology
  • Diplomate of American Board of
  • Internal Medicine in  Hematology
  • Diplomate of American Board of
  • Internal Medicine in  Internal Medicine
Dr. Trybula's areas of interest include all adult malignancies, blood disorders, and clinical research. He is an active member of the American Society of Clinical Oncology, the American Society of Hematology.

Premier Oncology Hematology Associates
We know you have choices . . .

And at Premier Oncology Hematology we are honored that you have selected us as your healthcare provider. Our mission is to provide you with access to the latest scientific evidence and research-based care and treatment, along with the compassion and support you deserve.

Our Oncologists/Hematologists are educated, trained, and Board Certified at prestigious universities throughout the United States, including Harvard University, Rush Medical School, Johns Hopkins University and Brown University to name a few.

At Premier Oncology Hematology, our patients always receive individualized physician consultation. After meeting with you and establishing mutually agreed upon goals, our physicians develop a treatment plan based on the most current research. Our Oncologists/Hematologists make it a point to keep themselves at the forefront of medicine. They are committed to continuing education through attending Board Review Courses, scientific symposia, and keeping abreast of breaking research in oncology and hematology. Our nurses and support staff also keep up to date in their respective fields, which enables us to provide you with the best care possible right at home.

Our offices are equipped to offer infusion services, patient and family education, and a full service laboratory. We offer access to national clinical research trials through our affiliation with Cancer and Leukemia Group B, whose members include Harvard Medical School, Memorial Sloan Kettering Cancer Center and The University of Chicago.

Our staff is available to answer any of your questions. For additional information about our practice and access to educational resources, please visit us at

Merrillville Location
200 East 89th Avenue
Suite 2A
Merrillville, IN 46410
Phone: 219-736-2800

Munster Location
929 Ridge Road
Suite 5
Munster, IN 46321
Phone: 219-836-2000