Individual
MICHAEL O'NEILL
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
111 BEACH RD, FAIRFIELD, CT 06824-6668
(203) 696-3560
(203) 696-3563
Mailing address
111 BEACH RD, FAIRFIELD, CT 06824-6668
(203) 696-3560
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
Primary
66914
CT
208M00000X
Hospitalist Physician
305546
NY
208M00000X
Hospitalist Physician
66914
CT
Other
Enumeration date
03/29/2017
Last updated
06/25/2025
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