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

MS. Kaleigh Heather O'Neil, FNP-BC

Individual provider Nurse Practitioner · NPI 1831765296

MS. Kaleigh Heather O'Neil, FNP-BC is a Nurse Practitioner in Leominster, Massachusetts. Qualified in 2021, 5 years ago. Practices with Northeast Allergy, Asthma and Immunology, PC, a 10-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
5
Licensed in
MA
In the registry since
2021
Specialties on file
2
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

Practice location Address checks out

79 Erdman Way
Leominster, MA 01453
Phone: (508) 334-6206
Fax: (508) 334-6083
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 RN2314539 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence RN2314539 (MA)

Record details

NPI number1831765296
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorYes
NPI enumeratedMay 27, 2021
Last updated in NPPESAugust 1, 2025
Certification dateJuly 9, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Northeast Allergy, Asthma And Immunology, Pc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Leominster