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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. Thomas ORegan:

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Specialties & Research

Dr. Thomas ORegan, MD is board certified in Anesthesiology.

Education & Awards

Dr. ORegan graduated from Medical College of Wisconsin, Milwaukee.


Dr. ORegan has 1 hospital affiliations:

  • Main Facility - Thedacare 

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Additional Information
Dr. Thomas Joseph ORegan MD is a male Anesthesiologist, has 45 years of experience and practices in Anesthesiology.
Where does Dr. Thomas J. ORegan practice?
Dr. Thomas ORegan has 2 office locations.
Dr. Thomas ORegan practices Anesthesiology near Neenah, WI.
See Neenah Anesthesiologists.