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

Kristy Marie Grainger, FNP

Individual provider Family Nurse Practitioner · NPI 1740890573

Kristy Marie Grainger, FNP is a Nurse Practitioner in Winchendon, Massachusetts. Qualified in 2020, 6 years ago. Practices with Athol Memorial Hospital Incorporated, a 84-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
6
Licensed in
MA
In the registry since
2020
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

55 Hospital Dr
Winchendon, MA 01475-1820
Phone: (978) 297-2311
Fax: (978) 297-4173
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 RN270461 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (MA)

Record details

NPI number1740890573
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedAugust 6, 2020
Last updated in NPPESMay 6, 2026
Certification dateMay 6, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Athol Memorial Hospital Incorporated — 84 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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