Cynthia Ertl

Primary specialty

Critical Care Neonatal Nurse PractitionerTaxonomy code 363LN0005X

License

17973 Issued in WI

Practice address

1675 Highland Ave
Madison, WI 53792-0002

Phone

(608) 263-7337

NPI assigned

May 4, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

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, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1777852800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1932036118",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1675 HIGHLAND AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537920002",
            "telephone_number": "608-263-7337"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "202 S Park St",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537151507",
            "country_code": "US",
            "telephone_number": "608-417-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ERTL",
        "first_name": "CYNTHIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-05-04",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "WI",
            "license": "17973-33",
            "primary": false
        },
        {
            "code": "363LN0005X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal, Critical Care",
            "state": "WI",
            "license": "17973",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mary Catherine Ernster, MD
• McKinsey Eron
• Emily Erpenbach, PHARMD
• Sita Errabelli
• Brian Charles Erskine, PHARMD
• Nicole Leigh Ertl, M.D.
• Whitney Erwin, PHD, RPH
• Kristen M Esbensen, CICSW LCSW
• Mara Esber, PSYD
• Kristie Esch

• Critical Care Neonatal Nurse Practitioner in Madison, WI
• Providers in Madison, WI by specialty
• Critical Care Neonatal Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; 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.