Individual provider Active NPI

Elaine Katherine Wessel, APNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Brookfield, WI
National Provider Identifier
1942974571
Registry record updated May 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
11144 Issued in WI
Practice address
16535 W Bluemound Rd Ste 200
Brookfield, WI 53005-5906
Phone
(262) 999-3495
NPI assigned
Aug 6, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 22, 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 11144 WI
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 11144 WI Primary

Addresses

Primary practice location

16535 W Bluemound Rd Ste 200
Brookfield, WI 53005-5906

Mailing address

4800 N Scottsdale Rd Ste 2500
Scottsdale, AZ 85251-7630
Phone (262) 999-3495

Other practice location 1

2400 S 102nd St
West Allis, WI 53227-2132
Phone (414) 327-3000

Other practice location 2

11101 W Lincoln Ave
West Allis, WI 53227-1133
Phone (414) 327-3000 ext. 41432

Other names 1

  • Elaine Katherine Ernst Former name

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20210915001227 WI Practitioner - Nurse Practitioner 4385040443 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Cornerstone Counseling Services IncGroup PAC ID 1456256023, 338 clinicians

Practice addresses (Care Compare)

16535 W Bluemound Rd
Suite 200
Brookfield, WI 53005-5906
Phone (262) 789-1191

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
11144WIMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Cornerstone Counseling Services, Inc CurrentSince Sep 22, 2024 Accepting new patients

Locations

4800 N Scottsdale Rd
Ste 2500
Scottsdale, AZ 85251
Phone (253) 346-0392

16535 W Bluemound Rd
Ste 200
Brookfield, WI 53005
Phone (262) 789-0909

Interoperability endpoints

  • Direct secure messaging: lifestancehealth.elainewessel@149809.advancedmd-direct.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.

NPI Registry JSON

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

{
    "created_epoch": "1628208000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1942974571",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4800 N SCOTTSDALE RD STE 2500",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852517630",
            "telephone_number": "262-999-3495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16535 W BLUEMOUND RD STE 200",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530055906",
            "telephone_number": "262-999-3495"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2400 S 102nd St",
            "address_purpose": "LOCATION",
            "city": "West Allis",
            "state": "WI",
            "postal_code": "532272132",
            "country_code": "US",
            "telephone_number": "414-327-3000",
            "fax_number": "414-328-3708",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11101 W Lincoln Ave",
            "address_purpose": "LOCATION",
            "city": "West Allis",
            "state": "WI",
            "postal_code": "532271133",
            "country_code": "US",
            "telephone_number": "414-327-3000 x41432",
            "fax_number": "414-328-3708",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WESSEL",
        "first_name": "ELAINE",
        "middle_name": "KATHERINE",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-08-06",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "11144",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WI",
            "license": "11144",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ELAINE",
            "last_name": "ERNST",
            "middle_name": "KATHERINE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Brookfield, WI

Sources for this page

Verify at the official NPI Registry.