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Cardiothoracic Surgeon, Surgical Specialist
42 years of experience
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. Mervin O'Neil:

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Specialties & Research

Dr. Mervin O'Neil, MD is board certified in Thoracic Surgery (Cardiothoracic Vascular Surgery).

Education & Awards

Dr. O'Neil graduated from University of California at Los Angeles.


Dr. O'Neil has 3 hospital affiliations:

  • Kaiser Foundation Hospital - Sacramento 
  • Sutter Roseville Medical Center 
  • Kaiser Foundation Hospital - Roseville 

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Additional Information
Dr. Mervin Bovaird O'Neil MD is a male Cardiothoracic Surgeon, has 42 years of experience and practices in Thoracic Surgery and Cardiothoracic Vascular Surgery.
Where does Dr. Mervin B. O'Neil practice?
Dr. Mervin O'Neil has 1 office location.
Dr. Mervin O'Neil practices Thoracic Surgery and Cardiothoracic Vascular Surgery near Sacramento, CA.
See Sacramento Cardiothoracic Surgeons.