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

MS. Mary Martha McElligott, REGISTEREDNURSE

Individual provider Critical Care Medicine Registered Nurse · NPI 1720733496

MS. Mary Martha McElligott, REGISTEREDNURSE is a Nurse Practitioner in Brighten, Massachusetts. Qualified in 2024, 2 years ago. Practices with Old Colony Hospice Inc, a 6-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
2
Licensed in
MA
In the registry since
2022
Specialties on file
2

Practice location Address checks out

736 Cambridge St
Brighten, MA 02135
Phone: (617) 789-3000
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN232160 (MA)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence RN232160 (MA)

Record details

NPI number1720733496
Entity typeIndividual (Type 1)
GenderFemale
Credentials REGISTEREDNURSE
Sole proprietorNo
NPI enumeratedFebruary 21, 2022
Last updated in NPPESMarch 21, 2025
Certification dateMarch 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Old Colony Hospice Inc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount