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

Mrs. Mary Njonjo, NP-C

Individual provider Adult Health Nurse Practitioner · NPI 1245400142

Mrs. Mary Njonjo, NP-C is a Nurse Practitioner in Lynn, Massachusetts. Qualified in 2007, 19 years ago. Practices with The Commonwealth of Massachusetts, a 144-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
19
Licensed in
MA
In the registry since
2008
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

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Practice location Address checks out

500 Lynnfield St
Lynn, MA 01904-1424
Phone: (781) 477-3225
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 237709 (MA)

Record details

NPI number1245400142
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorYes
NPI enumeratedMarch 6, 2008
Last updated in NPPESMarch 6, 2008

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice The Commonwealth Of Massachusetts — 144 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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