Kaleigh Heather O'Neil, FNP-BC
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 182
- Industry payments
- $547
- Affiliated sites
- 5
- Medical groups
- 5
- Practice address
- 79 Erdman Way, Leominster, MA 01453
- Practice phone
- Call (978) 537-4805
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northeast Allergy Asthma & Immunology
Leominster, Massachusetts
Find Kaleigh O'Neil's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Kaleigh Heather O'Neil is a family nurse practitioner in Leominster, Massachusetts
Kaleigh O'Neil practices at Northeast Allergy Asthma & Immunology in Leominster, Massachusetts.
Kaleigh O'Neil's NPI, 1831765296, was assigned on May 27, 2021. Kaleigh O'Neil holds Massachusetts license RN2314539.
- NPI
- 1831765296NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214339902
- NPI enumeration date
- May 27, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 537-4805
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Kaleigh Heather O'Neil practices at Northeast Allergy Asthma & Immunology in Leominster, Massachusetts
Kaleigh O'Neil's primary practice is Northeast Allergy Asthma & Immunology, at 79 Erdman Way, Leominster, MA 01453 in Worcester County. The practice phone is (978) 537-4805.
- Northeast Allergy Asthma & Immunology79 Erdman Way, Leominster, MA 01453 · Worcester CountyPhone(978) 537-4805
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Kaleigh Heather O'Neil is affiliated with 6 sites of care and 5 medical groups
Kaleigh O'Neil's primary practice is Northeast Allergy Asthma & Immunology in Leominster, Massachusetts. The medical group on file is Northeast Allergy, Asthma & Immunology. Dmand AI also links Kaleigh O'Neil to 5 more group practices and clinics and 4 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Kaleigh Heather O'Neil's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kaleigh O'Neil practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northeast Allergy Asthma & Immunology | Available with a free account |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Kaleigh Heather O'Neil is one of 3,644 family nurse practitioners in Massachusetts
Family is Kaleigh O'Neil's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Kaleigh O'Neil is licensed in Massachusetts.
Specialties and state licenses
- Family nurse practitioner, MassachusettsPrimary
Family nurse practitioners near Kaleigh O'Neil
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Kaleigh Heather O'Neil treated 107 Medicare patients in 2024, average age 69
CMS counts 107 Medicare patients who saw Kaleigh O'Neil in 2024. The largest group is 65 to 74, with 53 patients. 67% of them have high cholesterol, and 59% have high blood pressure. 24% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Kaleigh O'Neil's median patient age at 24, with 58% women.
Kaleigh O'Neil's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Kaleigh O'Neil's Medicare patients by sex, 2024
- Women7772%
- Men3028%
Chronic conditions among Kaleigh O'Neil's Medicare patients, 2024
- High cholesterol67%
- High blood pressure59%
- Asthma50%
- Arthritis41%
- Anxiety34%
- Mood disorders34%
- Depression29%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Kaleigh O'Neil's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 24
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kaleigh Heather O'Neil wrote 182 Medicare Part D claims in 2024
In 2024, Kaleigh O'Neil wrote 182 Medicare Part D claims for 52 patients. 43% of them were for generic drugs.
Kaleigh O'Neil's Part D claims by kind of drug, 2024
- Generic78 claims43%
- Brand-name104 claims57%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Kaleigh Heather O'Neil takes part in Medicare
Kaleigh O'Neil accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Kaleigh Heather O'Neil received $547 in industry payments in 2025
CMS Open Payments shows 28 general payments to Kaleigh O'Neil from 9 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $117.
Companies that paid Kaleigh O'Neil the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Kaleigh Heather O'Neil's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Kaleigh Heather O'Neil
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kaleigh Heather O'Neil's NPI number?
Kaleigh Heather O'Neil's NPI number is 1831765296. It was assigned on May 27, 2021, and it is active in the NPI Registry.
What does Kaleigh Heather O'Neil specialize in?
Kaleigh Heather O'Neil is a family nurse practitioner in Leominster, Massachusetts. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Kaleigh Heather O'Neil practice?
Kaleigh O'Neil practices at 79 Erdman Way, Leominster, MA 01453. Kaleigh O'Neil's primary practice is Northeast Allergy Asthma & Immunology in Leominster, Massachusetts. Dmand AI also links Kaleigh O'Neil to 5 group practices and clinics and 4 medical groups.
What is Kaleigh Heather O'Neil's office phone number?
The practice phone on file for Kaleigh O'Neil is (978) 537-4805.
What is Kaleigh Heather O'Neil's medical license number?
Kaleigh O'Neil holds Massachusetts license RN2314539.
What medical group is Kaleigh Heather O'Neil part of?
Kaleigh O'Neil is linked to Northeast Allergy, Asthma & Immunology. Dmand AI links Kaleigh O'Neil to 4 more medical groups.
Does Kaleigh Heather O'Neil accept Medicare?
Yes. CMS lists Kaleigh O'Neil as accepting Medicare assignment.
How many Medicare patients does Kaleigh Heather O'Neil see?
CMS counts 107 Medicare patients who saw Kaleigh O'Neil in 2024, with an average age of 69.
Has Kaleigh Heather O'Neil received payments from drug or device companies?
CMS Open Payments shows $547 in general payments to Kaleigh O'Neil from 9 companies from 2025 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Kaleigh Heather O'Neil been practicing?
Kaleigh O'Neil graduated from medical school in 2021, 5 years ago.
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