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Dr. Dennis O'Connor, MD

Dr. Dennis O'Connor, MD

Age 79 Pediatric Hematology & Oncology M
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Dr. Dennis O'Connor, MD is a pediatric hematology-oncology specialist in Saint Louis, MO. Dr. O'Connor completed a residency at Glennon Meml Hosp Chldn. He currently practices at Ssm Cardinal Glennon Children's Hospital. He accepts multiple insurance plans. Dr. O'Connor is board certified in Pediatric Hematology-Oncology.


  • Glennon Meml Hosp Chldns, Fellowship Hospital — 1973
  • Glennon Meml Hosp Chldn, Residency Hospital — 1970
  • Glennon Meml Hosp Chldn, Internship Hospital — 1968
  • St Louis U, School of Medicine, Medical School — 1967

Insurance Accepted

  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • HAP Insurance
  • MultiPlan

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Compare with other Pediatric Hematology-Oncology Specialists
Compare Dr. O'Connor with our nearby Pediatric Hematology-Oncology Specialists at Mayo Clinic
These providers are on the medical staff of Mayo Clinic
These providers are on the medical staff of Mayo Clinic.


  1. Practice

    1. 1
      Ssm Cardinal Glennon Children's Hospital
      1465 S Grand Blvd, Saint Louis, MO 63104 Existing Patients: (314) 577-5644

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Dr. Dennis O'Connor, MD
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Frequently Asked Questions

Dr. O'Connor frequently treats Erythropoietin Test, Lymphoma Evaluation, and Leukemia Diagnostic Evaluations.  

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