Internal Medicine
Marisa Gefen, MD
Independent provider
Accepting new patients
Sees patients age 65 and up
Oak Street Health

About me

Education and training

  • Medical School: Jefferson Medical College
  • Residency: Thomas Jefferson University Hospital

My Locations

Penn Medicine hospital privileges

  • Pennsylvania Hospital: On the medical staff, but does not have privileges to treat patients in the hospital.
Dr. Gefen is an independent physician who is not employed by Penn Medicine.

Qualifications and experience