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

Mary Catherine Sullivan, NP

Individual provider Nurse Practitioner · NPI 1134539356

Mary Catherine Sullivan, NP is a Nurse Practitioner in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2014
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

55 Fruit St GRAY/JACKSON-01
Boston, MA 02114-2621
Phone: (617) 726-3383
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 191516 (MA)

Record details

NPI number1134539356
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedApril 28, 2014
Last updated in NPPESApril 28, 2014

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