Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Eileen Elizabeth O'Regan, MD

Individual provider Internal Medicine Physician · NPI 1932273299

Eileen Elizabeth O'Regan, MD is an Internal Medicine Physician in Cheshire, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1781 Highland Ave Ste 102
Cheshire, CT 06410-1254
Phone: (203) 272-1990
Fax: (203) 271-0668
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 029098 (CT)

Record details

NPI number1932273299
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 20, 2006
Last updated in NPPESAugust 14, 2008

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