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EOS home page
Breast Surgery
Endocrine Surgery
Oncologic Surgery
Breast Screening
Division of
Endocrine and Oncologic Surgery
Dr. Doug Fraker Douglas L. Fraker, M.D.
Division Chief
David Anderson, MD Dr. Ari Brooks no photo
D. Anderson A. Brooks S. Chang
Ron DeMatteo Dr. Ronald DeMatteo Dr. Giorgos Karakousis
L. De La Cruz R. DeMatteo G. Karakousis
Dr. Rachel Kelz Dr. Catherine Porter Dr. Alina Mateo
R. Kelz R. Krouse A. Mateo
Dr. Catherine Porter Dr. Robert Roses Dr. Dahlia Sataloff
C. Porter R. Roses D. Sataloff
Dr. Julia Tchou Dr. Heather Wachtel  
J. Tchou H. Wachtel  
The Endocrine and Oncologic Surgery (EOS) program at Penn offers surgical expertise along with multidisciplinary care for patients with a wide variety of benign and malignant tumors. We are committed to achieving outstanding patient outcomes today and to improving the future of care through the advancement of knowledge with our active basic science and clinical research efforts.

For detailed information regarding specific disorders and the physicians who treat these problems, please utilize the following links:

Our website is designed to provide a broad overview of the services and philosophy of the Division of Endocrine and Oncologic Surgery. We hope it will answer many of your questions, and we encourage you to call 215-615-5858 for further information and to schedule an appointment with a specific provider.


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