Individual provider Active NPI

Claire Sexton

  • Adult Health Nurse Practitioner
  • Springfield, IL
National Provider Identifier
1144898073
Registry record updated Feb 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
209023594 Issued in IL
Practice address
701 N 1St St
Springfield, IL 62781-0001
Phone
(217) 528-7541
NPI assigned
Jun 16, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 26, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 209.023594 IL
Adult Health Nurse Practitioner 363LA2200X 209023594 IL Primary

Addresses

Primary practice location

701 N 1St St
Springfield, IL 62781-0001

Mailing address

PO Box 19248
Springfield, IL 62794-9248
Phone (217) 528-7541

Other practice location 1

2239 E Cook St
Springfield, IL 62703-1944
Phone (217) 788-2300

Other names 1

  • Claire Maskey Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
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

Enrollment IDStateProvider typePAC IDDetails
I20210806002904 IL Practitioner - Nurse Practitioner 6305240722 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
May accept Medicare assignment
Group practices
Central Counties Health Centers, Inc.Group PAC ID 3274445762, shared by 5 NPIs, 16 clinicians
Springfield Clinic, LLPGroup PAC ID 0547166076, 678 clinicians

Practice addresses (Care Compare)

2239 E Cook St
Springfield, IL 62703-1944
Phone 21778823002307

775 Engineering Ave
Springfield, IL 62703-5909
Phone (217) 522-4300

800 E Carpenter St
Springfield, IL 62702-5324
Phone (217) 544-6464

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
209.023594ILMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Springfield Clinic, LLP CurrentSince Aug 15, 2025 Accepting new patients

Locations

800 E Carpenter St
Springfield, IL 62769
Phone (217) 525-5643

775 Engineering Ave
Springfield, IL 62703
Phone (217) 522-4300

701 N 1st St
Springfield, IL 62781
Phone (217) 788-3100

Interoperability endpoints

  • Direct secure messaging: claire.sexton.1@28977.direct.athenahealth.com

Organizations & group practices 1

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1623801600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1144898073",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 19248",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627949248",
            "telephone_number": "217-528-7541"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 N 1ST ST",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627810001",
            "telephone_number": "217-528-7541"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2239 E Cook St",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "IL",
            "postal_code": "627031944",
            "country_code": "US",
            "telephone_number": "217-788-2300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEXTON",
        "first_name": "CLAIRE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-16",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209.023594",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "IL",
            "license": "209023594",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CLAIRE",
            "last_name": "MASKEY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Springfield, IL

Sources for this page

Verify at the official NPI Registry.