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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. Sean Tretiak:

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Specialties & Research

Dr. Sean Tretiak, MD is board certified in Anesthesiology.

Education & Awards

Dr. Tretiak graduated from George Washington University.


Dr. Tretiak has 2 hospital affiliations:

  • Torrance Memorial Medical Center 
  • Long Beach Memorial Hospital 


  • Spanish
  • French

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Additional Information
Dr. Sean Henry Tretiak MD is a male Anesthesiologist, has 16 years of experience and practices in Anesthesiology.
Where does Dr. Sean H. Tretiak practice?
Dr. Sean Tretiak has 1 office location.
Dr. Sean Tretiak practices Anesthesiology near Torrance, CA.
See Torrance Anesthesiologists.