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

MS. Mary Cecilia Sullivan, MSN, APRN

Individual provider Family Nurse Practitioner · NPI 1861628893

MS. Mary Cecilia Sullivan, MSN, APRN is a Family Nurse Practitioner in Stamford, Connecticut. Licensed in Connecticut and New York. Registered with an NPI since 2009.

Licensed in
CT, NY
In the registry since
2009
Specialties on file
2
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
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

1 Elmcroft Rd
Stamford, CT 06926-0700
Phone: (203) 351-7700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 001625 (CT)
Pediatric Nurse Practitioner Taxonomy 363LP0200X · Licence F380181-1 (NY)

Record details

NPI number1861628893
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , APRN
Sole proprietorNo
NPI enumeratedJune 4, 2009
Last updated in NPPESJune 4, 2009

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