Dr. Christopher Spieles

Dr. Biermann serves as Director of the Musculoskeletal Oncology Program at the University of Michigan. Her clinical interests include malignant and benign tumors of soft tissue and bone, both primary and metastatic. Her practice includes both adults and children. Dr. Biermann chairs the Multidisciplinary Sarcoma Tumor Board, a collaborative cancer center group including medical and pediatric oncologists, pathologist, diagnostic radiologists, and radiation therapists. The Sarcoma clinic meets weekly. The University of Michigan Sarcoma team engages in patient care, clinical trials, and basic science research. In addition to her regional responsibilities, Dr. Biermann has been active in national committee and administrative work. She chairs the National Comprehensive Cancer Network (NCCN) Bone Tumors Panel. She is past president of the Musculoskeletal Tumor Society (MSTS). She is a member of the American Society of Clinical Oncology (ASCO). She sits on the Orthopaedic Research and Education Foundation (OREF) Grant Board. Her active research program has included more than 87 publications in the areas of musculoskeletal tumors and in the impact of the Internet on patient education. Dr. Biermann is the University of Michigan Medical Director for the Sarcoma Program and the Orthopaedic Surgery Residency Program Director. Dr. Biermann is highly rated in 26 conditions, according to our data. Her top areas of expertise are Ewing Sarcoma, Bone Tumor, Chondrosarcoma, Osteosarcoma, and Hip Replacement.

Dr. Geoffrey Siegel is a Michigan native who received his Medical Doctorate Degree at the Detroit Medical Center and his residency in Orthopaedic Surgery at Wayne State University. After finishing his fellowship in Orthopaedic Oncology at Vanderbilt University Medical Center in Nashville, Tennessee, he joined the Department of Orthopaedic Surgery at the University of Michigan as Clinical Assistant Professor.Dr. Siegel's clinical interests are in the treatment of benign and malignant disease, both metastatic as well as primary bone cancer in adults and children. His surgical interests include limb salvage and complex musculoskeletal reconstruction. He enjoys both resident and community physician education in the field of Musculoskeletal Oncology. Dr. Siegel is highly rated in 29 conditions, according to our data. His top areas of expertise are Adult Soft Tissue Sarcoma, Chondrosarcoma, Bone Tumor, Epithelioid Sarcoma, and Hip Replacement.

Ira Zaltz is an Orthopedics provider in Ann Arbor, Michigan. Dr. Zaltz has been practicing medicine for over 36 years is highly rated in 9 conditions, according to our data. His top areas of expertise are Legg-Calve-Perthes Disease (LCPD), Beukes Familial Hip Dysplasia, Slipped Capital Femoral Epiphysis, Osteotomy, and Endoscopy.