Catherine Hall Van Poznak, MD
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About
Dr. Van Poznak received her medical degree from Cornell University Medical College and internal medicine residency training at The New York Hospital-Cornell Medical Center in New York City. Remaining in New York, she completed her fellowship in medical oncology at Memorial Sloan-Kettering Cancer Center (MSKCC) and started her oncology practice at MSKCC on the Breast Cancer Medicine Service. In 2006, Dr. Van Poznak joined the faculty of the University of Michigan where she is an active clinician in the U-M Rogel Cancer Center Breast Care Center. Her clinical and translational research is in breast cancer and its relationship to bone - including the diagnosis, treatment and prevention of osteoporosis in breast cancer patients, breast cancer biomarkers predicting site specific relapse, and bone metastases.
Areas of Practice
Breast Cancer, Osteoporosis and Breast Cancer, Breast Cancer Biomarkers, Bone Metastases
Expertise
Locations
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Breast Oncology Clinic | Rogel Cancer Center 1500 E Medical Center Dr
Floor 1
Ann Arbor, MI 48109-5916Get Directions -
Oncology Clinic | Brighton Center for Specialty Care 7500 Challis Rd
Entrance1, Level 1
Brighton, MI 48116-9416Get Directions
Insurance Accepted
University of Michigan Health participates with most health insurance plans.
Education & Training
Medical School or Training
Residency
Fellowships
Board Certifications
Research Overview
My research concentration is on breast cancer and its relationship with bone. There are three major issues that I research: (1) Osteoporosis as it effects women with breast cancer. Due to the prevalence of low bone mass in the general US population, and the frequency at which women are diagnosed with breast cancer, these two diseases commonly overlap. I am exploring the diagnosis, treatment and the prevention, of osteoporosis in patients with breast cancer (2) Breast cancer biomarkers predictive of site specific relapse (3) Bone metastases. I have several ongoing clinical trials and collaborative laboratory research efforts underway. It is my vision that research will change how we detect, prevent, and treat bone related problems of breast cancer patients.
Patient Ratings & Comments
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Patient Ratings
243 Patient Ratings
Patient Comments
September 6, 2025 - "Dr. Van Poznak is wonderful. She actually listens and tries to find solutions to problems."
August 29, 2025 - "Dr. VanPoznak takes her time to ensure that I really understand what she is telling me. She is an excellent teacher. She makes me feel secure and valued. She thoroughly reviewed my history and my concerns. She sent referrals to the doctors I need to see in the future to ensure I know what to do next. She is very caring."
August 13, 2025 - "Dr. Van Poznak explained all of my test results thoroughly and answered all of my questions. She wrote orders for PT and OT. She's the best doctor I have!"
August 13, 2025 - "My visist with Dr. Van Poznak was the best visit with a Doctor that I have ever had. She took her time to explain my results, explain her thought process and made sure all paper and referrals I needed were complete. My husband and I could not be more complimentary of her care."
July 2, 2025 - "Dr. VanPoznak, listened through the whole visit. I did feel empowered to make my own decision about the treatment I would receive."
June 12, 2025 - "Dr Van Poznak is awesome!"
June 11, 2025 - "Like Dr. VanPoznak very much. She listens and is very compassionate. Answers all my questions and is very thorough on following up my care and up coming appointments."
May 30, 2025 - "Catherine VanPoznak and [...] are phenomenal."
May 29, 2025 - "Dr. Van Poznak always listens and takes time with me to explain things and listen to my concerns. I never feel rushed with her, and I appreciate her taking this time with me. She also is very thorough and reviews my history since the last time I saw her. [...] I feel cared for and respected. Thank you, from a very appreciative patient!"
May 20, 2025 - "I know Dr Van Poznak has a busy schedule and many appointments, but I always feel that during my appointment she is concentrating on me and my issues. I really appreciate that."
