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

MS. Mary C Cassidy, NP

Individual provider Adult Health Nurse Practitioner · NPI 1568438729

MS. Mary C Cassidy, NP is an Adult Health Nurse Practitioner in Brookline, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

11 Kent St
Brookline, MA 02445-7901
Phone: (617) 447-2147
Fax: (617) 264-9763
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 129190 (MA)

Record details

NPI number1568438729
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedFebruary 27, 2006
Last updated in NPPESJuly 13, 2026

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