Peter Ennis, MD | Medical Oncologist at CMOH

Peter Ennis, MD

Medical Oncologist, Hematologist

Peter Ennis, MD | Medical Oncologist at CMOH


Board Eligible

  • Internal Medicine
  • Medical Oncology​
  • Hematology

Special Interests

  • Genitourinary Cancers
  • Thrombosis
  • Stem Cell Transplants


  • Hahnemann University School of Medicine
  • Jefferson University Hospital: Residency in Internal Medicine
  • Fox Chase Cancer Center/Temple University: Fellowship in Medical Oncology/Hematology


Peter Ennis, MD, joined CMOH in 2000. He sees patients with a wide range of cancers and hematological disorders He is a strong advocate for high quality community based cancer care which allows patients to receive excellent treatment as well as personal attention that addresses the full spectrum of needs. Dr. Ennis believes that doctors should be accessible to their patients, and that managing any symptoms and problems that occur as a result of the cancer or the treatment is very important.


"At CMOH, we offer high quality care close to home. Our patients benefit from this environment. They get maximum support and personal attention while we take care of their medical needs. We are able to provide optimal care for every patient."

- Peter Ennis, MD

Our Cancer Treatment Locations

Convenient locations throughout the Greater Philadelphia area including Delaware, Montgomery and Chester Counties.