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1562 Opossumtown PikeFrederick, MD 21702
Phone+1 301-662-8477
Fax+1 240-439-8910
Dr. O'Connor is on Doximity
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Education & Training
University at BuffaloFellowship, Hematology and Medical Oncology, 1987 - 1990- University at BuffaloResidency, Internal Medicine, 1984 - 1987
- University at BuffaloResidency, Family Medicine, 1982 - 1984
University of ChileClass of 1981
Certifications & Licensure
MD State Medical License 1984 - 2021
NY State Medical License 1988 - 1992
Awards, Honors, & Recognition
- Top MD Consumers Checkbook
Clinical Trials
- Radiation Therapy With or Without Trastuzumab in Treating Women With Ductal Carcinoma In Situ Who Have Undergone Lumpectomy Start of enrollment: 2008 Nov 10
- A Phase III Randomized Trial of Metformin vs Placebo in Early Stage Breast Cancer Start of enrollment: 2010 Aug 13
- Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer Start of enrollment: 2011 Jan 15
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