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

Mrs. Mary Hardiman, RN

Individual provider Critical Care Medicine Registered Nurse · NPI 1689350548

Mrs. Mary Hardiman, RN is a Nurse Practitioner in Burlington, Massachusetts. Qualified in 2023, 3 years ago. Practices with Lahey Clinic Inc, a 1,372-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
3
Licensed in
MA
In the registry since
2023
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

41 Mall Rd
Burlington, MA 01805-0001
Phone: (781) 744-8000
Show map & directions

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

Additional practice locations (1)

  • 75 Frances Street, Boston, MA 02115 — (617) 732-8043

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN269436 (MA)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence 269436 (MA)

Record details

NPI number1689350548
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedJune 26, 2023
Last updated in NPPESJune 25, 2024
Certification dateJune 25, 2024
Mailing address75 Frances Street, Boston, MA 02115

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Lahey Clinic Inc — 1372 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Burlington