Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Mary Julia Martin-O'Brien, APRN

Individual provider Adult Health Clinical Nurse Specialist · NPI 1407880487

MS. Mary Julia Martin-O'Brien, APRN is an Adult Health Clinical Nurse Specialist in Newington, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

555 Willard Ave
Newington, CT 06111-2631
Phone: (860) 666-6951
Fax: (860) 667-6738
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Clinical Nurse Specialist (primary) Taxonomy 364SA2200X · Licence 001456 (CT)

Record details

NPI number1407880487
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESJuly 8, 2007