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Radiation Oncology, Radiologist, Oncology Specialist (cancer)
17 years of experience
Accepting new patients
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Marc Posner is Excellent. Dr. Posner has been reviewed by 6 patients who have provided 3 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.7
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Marc Posner, MD is board certified in Radiation Oncology.

  • He has special expertise in 1 area:
  • Cancer

Education & Awards

Dr. Posner graduated from Harvard University , Boston. He has 2 awards.

Patients' Choice Award (2011)
Compassionate Doctor Recognition (2011)


Dr. Posner has 3 hospital affiliations:

  • Northwestern Lake Forest Hospital 
  • Alexian Brothers Medical Center 
  • Alexian Brothers Behavorial Health Hospital 

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Additional Information
Dr. Marc Posner MD is a male Radiation Oncologist, has 17 years of experience and practices in Radiation Oncology.
Where does Dr. Marc Posner practice?
Dr. Marc Posner has 1 office location.
Dr. Marc Posner practices Radiation Oncology near Lake Forest, IL.
See Lake Forest Radiation Oncologists.