Kaleigh Heather O'Neil, FNP-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

RN2314539 Issued in MA

Practice address

79 Erdman Way
Leominster, MA 01453

Phone

(508) 334-6206

Fax

(508) 334-6083

NPI assigned

May 27, 2021

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northeast Allergy, Asthma and Immunology, PCGroup PAC ID 2860529203, 10 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner, Master of Science - Nursing

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/HFGCAA

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Northeast Allergy Asthma & Immunology, PC

  • Allergy & Immunology Physician
  • Leominster, MA
  • NPI 1972835809
  Medicare reassignment Care Compare group NPD
• Allergy & Asthma Physicians PC

  • Allergy Physician
  • Stoneham, MA
  • NPI 1326030206
  Medicare reassignment NPD
• Aap - Wpho LLC

  • Allergy Physician
  • Stoneham, MA
  • NPI 1972113637
  Medicare reassignment NPD (past)
• Neaai - Wpho LLC

  • Allergy & Immunology Physician
  • Leominster, MA
  • NPI 1740891803
  Medicare reassignment NPD (past)
• Northeast Allergy - Bi LLC

  • Allergy & Immunology Physician
  • Leominster, MA
  • NPI 1588308803
  Medicare reassignment
• Northeast Allergy Asthma & Immunology, PC

  • Allergy & Immunology Physician
  • Sudbury, MA
  • NPI 1861815656
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1622073600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1831765296",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "79 ERDMAN WAY",
            "city": "LEOMINSTER",
            "state": "MA",
            "postal_code": "01453",
            "telephone_number": "800-225-8885",
            "fax_number": "508-334-1977"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "79 ERDMAN WAY",
            "city": "LEOMINSTER",
            "state": "MA",
            "postal_code": "01453",
            "telephone_number": "508-334-6206",
            "fax_number": "508-334-6083"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEIL",
        "first_name": "KALEIGH",
        "middle_name": "HEATHER",
        "name_prefix": "Ms.",
        "credential": "FNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-05-27",
        "last_updated": "2025-08-01",
        "certification_date": "2021-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "RN2314539",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2314539",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "Beaudoik@simmons.edu",
            "affiliation": "N",
            "address_1": "169 North St Apt C",
            "city": "Lexington",
            "state": "MA",
            "country_code": "US",
            "postal_code": "024201975",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "119 Belmont St",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016052903",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Mark J. O'Connor, M.D.
• Kelly O'Dea, M.S.
• Daniel O'Leary
• Daniel O'Leary, M.D.
• John M. O'Loughlin, M.D.
• Kerry Ann O'Neil, BSED
• Victoria Judith O'Rourke, MPH, RD, LDN
• Karen Oberg
• William Patrick Obrien, DMD
• Bokun A Ogbebor, M.ED

• Family Nurse Practitioner in Leominster, MA
• Providers in Leominster, MA by specialty
• Family Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.