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Covid Calls

Vaccine Scheduling Update: We’re experiencing very high call volumes from people interested in getting the COVID-19 vaccine. Currently, our vaccine supply is very small, and we are unable to accept phone calls to schedule vaccine appointments. Please check back here for updates.

Mark H. O'Hara, MD

Medical Oncology
Mark H. O'Hara, MD
5.0 with 44 ratings

Sees Adults (18-65), Geriatrics (65+)

Mark H. O'Hara, MD

Medical Oncology
5.0 with 44 ratings

Sees Adults (18-65), Geriatrics (65+)

  • Assistant Professor of Medicine at the Hospital of the University of Pennsylvania
  • Dr. O'Hara is a Penn Medicine physician.
Accepting new patients
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