Individual
MARK CHARLES O'BRIEN
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Contact information
Practice address
300 MAIN ST, LEWISTON, ME 04240-7041
(207) 795-0111
Mailing address
121 WHITNEY RD, GRAY, ME 04039-7507
(207) 653-3036
Taxonomy
Speciality
Code
Description
License number
State
367500000X
Certified Registered Nurse Anesthetist
Primary
RNA253086
ME
Other
Enumeration date
08/31/2022
Last updated
10/29/2025
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