Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mary Charlotte Guertin, DNP, APRN, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1285146498

Mary Charlotte Guertin, DNP, APRN, FNP-BC is a Nurse Practitioner in Palmer, Massachusetts. Qualified in 2017, 9 years ago. Practices with Baystate Medical Practices Inc, a 1,346-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
9
Licensed in
MA
In the registry since
2017
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

40 Wright St
Palmer, MA 01069-1138
Phone: (413) 370-5400
Fax: (413) 370-5654
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN195723 (MA)

Record details

NPI number1285146498
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , APRN , FNP-BC
Sole proprietorNo
NPI enumeratedOctober 27, 2017
Last updated in NPPESFebruary 1, 2018

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Baystate Medical Practices Inc — 1346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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