Dr. Brian D. Kastner

Dr. James Hayman received his medical and master of business administration degrees simultaneously from the University of Chicago in 1991. Following an internship in Evanston, Ill., he began his radiation oncology residency at the Joint Center for Radiation Therapy at Harvard Medical School. He joined the University of Michigan faculty immediately following his residency in 1996 and currently serves as the director of the Clinical Division of the Department of Radiation Oncology. Dr. Hayman's clinical interests include the management of lung, esophageal, breast and central nervous system malignancies. He is also active in the area of health services research. Dr. Hayman is highly rated in 24 conditions, according to our data. His clinical expertise encompasses Lung Cancer, Melanoma of the Eye, Merkel Cell Carcinoma, and Small Cell Lung Cancer (SCLC). Dr. Hayman is board certified in Radiation Oncology and Hospice & Palliative Med. Dr. Hayman is currently accepting new patients.

Michael Mahacek is a Radiation Oncologist practicing medicine in Grand Rapids, Michigan. Dr. Mahacek is highly rated in 43 conditions, according to our data. His clinical expertise encompasses Primitive Neuroectodermal Tumor (PNET), Posterior Fossa Tumor, Pleuropulmonary Blastoma, and Familial Prostate Cancer. Dr. Mahacek is board certified in American Board Of Radiology. Dr. Mahacek is currently accepting new patients.

Paul Thieme is a Radiation Oncologist practicing medicine in Grandville, Michigan. Dr. Thieme is highly rated in 34 conditions, according to our data. His clinical expertise encompasses Pleuropulmonary Blastoma, Prostate Cancer, Familial Prostate Cancer, and Breast Cancer. Dr. Thieme is board certified in American Board Of Radiology. Dr. Thieme is currently accepting new patients.