Individual provider Active NPI

Kathleen Alexandra Kay, MD

  • Orthopaedic Surgery Physician
  • Springfield, IL
National Provider Identifier
1114588027
Registry record updated Oct 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
036175701 Issued in IL
Practice address
800 N 1St St
Springfield, IL 62702-3778
Phone
(217) 528-7541
NPI assigned
Jun 23, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 13, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X MD61526198 WA
Orthopaedic Surgery Physician 207X00000X 036175701 IL Primary
Orthopaedic Foot and Ankle Surgery Physician 207XX0004X MD61526198 WA

Addresses

Primary practice location

800 N 1St St
Springfield, IL 62702-3778

Mailing address

PO Box 19248
Springfield, IL 62794-9248

Other practice location 1

325 9th Ave
Seattle, WA 98104-2420
Phone (206) 520-5000

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250929003457 IL Practitioner - Orthopedic Surgery 5496080103 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Boston University School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Springfield Clinic, LLPGroup PAC ID 0547166076, 678 clinicians

Practice addresses (Care Compare)

1025 S 6TH St
Springfield, IL 62703-2403
Phone (217) 528-7541

301 N 8TH St
Springfield, IL 62701-1041
Phone (217) 528-7541

747 N Rutlage Baylis Medical BLD
Suite 50
Springfield, IL 62702-6700
Phone (217) 545-7722

747 N Rutledge St
Springfield, IL 62702-6700
Phone (217) 757-2257

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

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

800 N 1St St
Springfield, IL 62702-3719
Phone (217) 528-7541

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as apm
Quality
74.6
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036175701ILMDOrthopaedic Surgery Physician
MD61526198WAMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Association of University Physicians Orthopaedic Surgery CurrentSince Jul 1, 2024 Accepting new patients
Springfield Clinic, LLP CurrentSince Oct 1, 2025 Accepting new patients

Locations

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

800 N 1st St
Springfield, IL 62702

701 N 1st St
Springfield, IL 62702
Phone (217) 545-0182

1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333

325 9th Ave
Seattle, WA 98104
Phone (206) 731-3000

Interoperability endpoints

  • Direct secure messaging: kathleen.kay.1@28977.direct.athenahealth.com

Organizations & group practices 4

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 3

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": "1561248000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1114588027",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 N 1ST ST",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627023778",
            "telephone_number": "217-528-7541"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "325 9th Ave",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981042420",
            "country_code": "US",
            "telephone_number": "206-520-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KAY",
        "first_name": "KATHLEEN",
        "middle_name": "ALEXANDRA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-23",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "WA",
            "license": "MD61526198",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "IL",
            "license": "036175701",
            "primary": true
        },
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "WA",
            "license": "MD61526198",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, IL

Sources for this page

Verify at the official NPI Registry.