Individual provider Active NPI

Erin Renai Hernikl, LPC

  • Professional Counselor
  • Waukesha, WI
National Provider Identifier
1114535374
Registry record updated Sep 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Professional CounselorTaxonomy code 101YP2500X
License
10102 Issued in WI
Practice address
741 N Grand Ave Ste 302
Waukesha, WI 53186-4841
Phone
(262) 999-3495
NPI assigned
Jul 14, 2020
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 27, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Professional Counselor 101YP2500X 10102 WI Primary
Mental Health Counselor 101YM0800X 4679-226 WI

Addresses

Primary practice location

741 N Grand Ave Ste 302
Waukesha, WI 53186-4841

Mailing address

W180N4990 Marcy Rd
Menomonee Falls, WI 53051-6518
Phone (262) 352-0190

Other practice location 1

725 American Ave
Waukesha, WI 53188-5031
Phone (262) 928-4036

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: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20241121000091 WI Practitioner - Mental Health Counselor 4789119207 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Mental Health Counselor
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cornerstone Counseling Services IncGroup PAC ID 1456256023, 338 clinicians

Practice addresses (Care Compare)

741 N Grand Ave
Suite 302
Waukesha, WI 53186-4841
Phone 2627891191100

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
4679-226WIMDMental Health Counselor
10102WIMDProfessional Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Cornerstone Counseling Services, Inc Mental Health CurrentSince Sep 15, 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

741 N Grand Ave
Ste 302
Waukesha, WI 53186
Phone (262) 510-5653

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": "1594684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758931200000",
    "number": "1114535374",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "W180N4990 MARCY RD",
            "city": "MENOMONEE FALLS",
            "state": "WI",
            "postal_code": "530516518",
            "telephone_number": "262-352-0190"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "741 N GRAND AVE STE 302",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531864841",
            "telephone_number": "262-999-3495"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 American Ave",
            "address_purpose": "LOCATION",
            "city": "Waukesha",
            "state": "WI",
            "postal_code": "531885031",
            "country_code": "US",
            "telephone_number": "262-928-4036",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HERNIKL",
        "first_name": "ERIN",
        "middle_name": "RENAI",
        "credential": "LPC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-07-14",
        "last_updated": "2025-09-27",
        "certification_date": "2025-09-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "WI",
            "license": "10102",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WI",
            "license": "4679-226",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Waukesha, WI

Sources for this page

Verify at the official NPI Registry.