Nicole Leigh Ertl, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

4301096897 Issued in WI

Practice address

4410 Regent St
Madison, WI 53705-4901

Phone

(608) 233-9746

Fax

(608) 233-0026

NPI assigned

Jul 20, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nertl400464@direct.unitypoint.org

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.

• Associated Physicians, LLP

  • Internal Medicine Physician
  • Madison, WI
  • NPI 1861412785

  Pediatrics

  Medicare reassignment NPD
• St Luke'S Methodist Hospital

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1083708226
  NPD

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

{
    "created_epoch": "1279584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1457664385",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "877 FOREST HILL AVE SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495462380",
            "telephone_number": "616-949-4465"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4410 REGENT ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537054901",
            "telephone_number": "608-233-9746",
            "fax_number": "608-233-0026"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "877 Forest Hill Ave SE",
            "address_purpose": "LOCATION",
            "city": "Grand Rapids",
            "state": "MI",
            "postal_code": "495462560",
            "country_code": "US",
            "telephone_number": "616-391-9377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ERTL",
        "first_name": "NICOLE",
        "middle_name": "LEIGH",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-07-20",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "4301096897",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• McKinsey Eron
• Emily Erpenbach, PHARMD
• Sita Errabelli
• Brian Charles Erskine, PHARMD
• Cynthia Ertl
• Whitney Erwin, PHD, RPH
• Kristen M Esbensen, CICSW LCSW
• Mara Esber, PSYD
• Kristie Esch
• Christina Escuder, PSYD

• Pediatrics Physician in Madison, WI
• Providers in Madison, WI by specialty
• Pediatrics Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.