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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Joyce O'Shaughnessy:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Joyce O'Shaughnessy is Good. Dr. O'Shaughnessy has been reviewed by 7 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Joyce O'Shaughnessy, MD is board certified in Medical Oncology.

  • She has special expertise in 7 areas:
  • Adjuvant Chemotherapy
  • Bone Marrow Transplantation
  • Breast Cancer
  • Cancer
  • Epidemiology
  • Metastatic Breast Cancer
  • Neutropenia

Education & Awards

Dr. O'Shaughnessy graduated from Yale University, New Haven. She has 4 awards.

One of America's Leading Experts on:
Adjuvant Chemotherapy
Breast Cancer (Breast Neoplasm)
Castle Connolly America's Top Doctors® (2006 - 2008, 2010 - 2015)
Castle Connolly America's Top Doctors® for Cancer (2005 - 2007, 2009 - 2012, 2014 - 2015)


Dr. O'Shaughnessy has 4 hospital affiliations:

  • Baylor University Medical Center 
  • Baylor Specialty Hospital 


  • Spanish
  • English

> > > > Dr. Joyce O'Shaughnessy, MD

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Additional Information
Dr. Joyce Ann O'Shaughnessy MD is a female Oncologist , has 29 years of experience and practices in Medical Oncology.
Where does Dr. Joyce A. O'Shaughnessy practice?
Dr. Joyce O'Shaughnessy has 7 office locations.
Dr. Joyce O'Shaughnessy practices Medical Oncology near Dallas, TX.
Additional practice locations include: Mesquite, TX and Denton, TX.
See Dallas Oncologists.