Peter D. Ennis, MD

Headshot of Peter D. Ennis, MD

A diagnosis of cancer or a serious blood disease is a life changing and overwhelming event. Your first priority is to get the best treatment available to achieve the best possible outcome. My goal is to reduce the burden and anxiety for you and your loved ones by providing that care in a compassionate, patient-centered practice that has been nationally recognized for quality. I take the time to listen to your concerns, educate you about your diagnosis and help you make shared treatment decisions you can be comfortable with.

Hematology and Blood Disorders, Medical Oncology, Internal Medicine
Primary Practice:
Consultants in Medical Oncology and Hematology
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Patient Reviews:


Medical Oncology

Internal Medicine

Conditions and Treatments


Peter D. Ennis, MD

Dr. Peter Ennis is board certified in medical oncology and hematology. He has special interests in gastrointestinal cancers and blood clotting disorders. Dr. Ennis received his bachelor's degree with high honors in biochemistry from Brandeis University. He did graduate work at Stanford University where he published extensively in Structural Biology and Human Immunology. He earned his medical degree from Hahnemann University. His internship and residency in Internal medicine were served at Thomas Jefferson University Hospital. He completed fellowship training in Medical Oncology and Hematology at Temple University and Fox Chase Cancer Center. He has been practicing in Delaware County for 17 years.

His practice, located in Broomall, PA offers: Highly personalized care based on your specific needs and values Accountability for all aspects of care delivery Coordination of all aspects of patient care Collaboration and teamwork among all of your physicians Enhanced, interactive patient education and engagement in the treatment process Proactive management of symptoms via enhanced patient access and communication Electronic medical records, patient portal and physician communications

Primary Affiliation:
Bryn Mawr Hospital

Education and Training


  • Medical School
    Hahnemann University School of Medicine
  • Residency
    Thomas Jefferson University Hospital
  • Fellowship
    Fox Chase Cancer Center
  • Internship
    Thomas Jefferson University Hospital

Awards and Memberships

  • American Society of Clinical Oncology

Patient Reviews

Overall Rating

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