Email Phishing Incident: Learn More

Our Team

Michael Willen, M.D., F.A.C.P.

Michael Alan Willen, M.D., F.A.C.P.

Michael Willen, M.D., F.A.C.P.


Medical Oncology


Clifton Park Cancer Center - Saratoga County
3 Crossing Blvd
Clifton Park, NY 12065
Phone: (518) 831-4434


NYOH Board of Directors

Professional Education

  • Bachelor of Science Degree—Rensselaer Polytechnic Institute, Troy, NY
  • Medical Degree—New York Medical College, Valhalla, NY
  • Internship—Long Island Jewish Medical Center, New Hyde Park, NY
  • Residency—Long Island Jewish Medical Center, New Hyde Park, NY
  • Fellowship in Hematology/Oncology—Albany Medical College, Albany, NY


  • Board Certified in Internal Medicine
  • Board Certified in Hematology
  • Board Certified in Medical Oncology

Memberships and Affiliations

  • American Medical Association
  • American College of Physicians
  • Medical Society of the State of New York
  • Rensselaer County Medical Society
  • American Society of Clinical Oncology
  • American Society of Hematology
  • International Society on Thrombosis and Haemostasis


Dr. Willen is married and has two adult children. His interests include spectator sports and science fiction.