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MS. KALEIGH HEATHER O'NEIL FNP-BC
NPI 1831765296
Nurse Practitioner - Family in Leominster, MA

Active since May 27, 2021PECOS EnrolledAccepts Medicare Assignment
97.02/100
CMS Quality Rating
79 ERDMAN WAY, LEOMINSTER, MA 01453(508) 334-6206(508) 334-6083 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 9, 2021, May 27, 2021 (2 updates tracked since 2021).

About Ms. Kaleigh Heather O'neil Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KALEIGH HEATHER O'NEIL FNP-BC (NPI 1831765296) is an individual family provider in Leominster, Massachusetts, licensed in Massachusetts (RN2314539) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1831765296
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. KALEIGH HEATHER O'NEILCredential: FNP-BC
Location Address79 ERDMAN WAYLeominster, MA 01453
Mailing Address79 Erdman WayLeominster, MA 01453 · (800) 225-8885 · Fax (508) 334-1977
Phone(508) 334-6206
Fax(508) 334-6083
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMay 27, 2021
Last NPPES UpdateAugust 1, 20252 updates tracked since enumeration
NPPES CertifiedJuly 9, 2021
✔ NPI 1831765296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2314539
Also ListedNurse PractitionerTaxonomy 363L00000X · License RN2314539 (MA)
79 ERDMAN WAY, Leominster, MA 01453
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Kaleigh Heather O'neil Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214339902
PECOS Enrollment IDI20210719001075
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Kaleigh O'neil reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neaai - Wpho LLC
Same address
Allergy & Immunology
79 ERDMAN WAY STE 101
Leominster, MA 01453
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4 clinicians in this Medicare group
NPI 1740891803 (978) 537-4805
Northeast Allergy - Bi LLC
Same address
Allergy & Immunology
79 ERDMAN WAY STE 101
Leominster, MA 01453
  • Reassigned Medicare billing, Massachusetts enrollment
  • 7 clinicians in this Medicare group
NPI 1588308803 (978) 537-4805
Northeast Allergy Asthma & Immunology, PC
0.1 mi
Allergy & Immunology
79 ERDMAN WAY, SUITE 101
Leominster, MA 01453
  • Reassigned Medicare billing, Massachusetts enrollment
  • 11 clinicians in this Medicare group
NPI 1972835809 (978) 537-4805
Aap - Wpho LLC
34 mi
Allergy
3 WOODLAND RD STE 217
Stoneham, MA 02180
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4 clinicians in this Medicare group
NPI 1972113637 (781) 395-2922
Allergy & Asthma Physicians PC
35 mi
Allergy
3 WOODLAND RD STE 217
Stoneham, MA 02180
  • Reassigned Medicare billing, Massachusetts enrollment
  • 8 clinicians in this Medicare group
NPI 1326030206 (781) 395-2922

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
380 services11 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
101 services55 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
39 services38 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.02/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.09
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FRANCISCO A BONILLA M.D.
Allergy & Immunology
79 ERDMAN WAY, STE 101
LEOMINSTER, MA 01453
Worcester County (617) 355-8594
DR. JORDAN E. SCOTT M.D.
Allergy & Immunology
79 ERDMAN WAY, SUITE 101
LEOMINSTER, MA 01453
Worcester County (978) 537-4805
DAVID E. RIESTER M.D.
Allergy & Immunology
79 ERDMAN WAY, SUITE 101
LEOMINSTER, MA 01453
Worcester County (978) 537-4805
ERICA A DEE NP
Nurse Practitioner
79 ERDMAN WAY, SUITE 101
LEOMINSTER, MA 01453
Worcester County (978) 537-4805
NORTHEAST ALLERGY ASTHMA & IMMUNOLOGY, PC
Allergy & Immunology
79 ERDMAN WAY, SUITE 101
LEOMINSTER, MA 01453
Worcester County (978) 537-4805

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kaleigh O'neil's NPI number?

The NPI number for Kaleigh O'neil is 1831765296. It was assigned to this individual provider in the NPPES registry on May 27, 2021.

Where is Kaleigh O'neil located?

Kaleigh O'neil practices at 79 Erdman Way, Leominster, MA 01453. The listed phone number is (508) 334-6206.

What is Kaleigh O'neil's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Kaleigh O'neil enrolled in Medicare?

Yes. Kaleigh O'neil is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kaleigh O'neil's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kaleigh O'neil reassigns Medicare benefits to 5 organizations: Neaai - Wpho LLC (Leominster, MA), Northeast Allergy - Bi LLC (Leominster, MA), Northeast Allergy Asthma & Immunology, PC (Leominster, MA), Aap - Wpho LLC (Stoneham, MA) and Allergy & Asthma Physicians PC (Stoneham, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kaleigh O'neil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kaleigh O'neil accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Kaleigh O'neil as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kaleigh O'neil was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.