Erin Williams

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

209021276 Issued in IL

Practice address

1305 Randall Rd
Crystal Lake, IL 60014-8601

Phone

(815) 356-0386

NPI assigned

Sep 13, 2021

Last updated

Oct 6, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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 IL

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, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Edgewood Clinical Services P.C.Group PAC ID 3971963901, 304 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lifestancehealth.erinwilliams@146897.advancedmd-direct.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Edgewood Clinical Services, P.C.

  dba LifeStance

  • Psychologist
  • Naperville, IL
  • NPI 1295914646

  Psychiatric/Mental Health

  Medicare reassignment Care Compare group NPD
• Psychology Specialists LTD

  dba LifeStance Health

  • Clinical Psychologist
  • Bloomington, IL
  • NPI 1053368605
  NPD (past)

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

{
    "created_epoch": "1631491200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1093485948",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1305 RANDALL RD",
            "city": "CRYSTAL LAKE",
            "state": "IL",
            "postal_code": "600148601",
            "telephone_number": "815-356-0386"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1305 RANDALL RD",
            "city": "CRYSTAL LAKE",
            "state": "IL",
            "postal_code": "600148601",
            "telephone_number": "815-356-0386"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "ERIN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-09-13",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "IL",
            "license": "209021276",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209021276",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Widger
• Brenda Wierzbicki
• Kimberly Ann Wiley
• Natay Lin Wilfinger
• Earl Charles Williams Jr., MD
• Jennifer Lea Williams, PT
• Katherine Williams, MOT
• Kimberly Williams, SLP
• Laura Mary Williams, P.T.
• Megan Williams, LCSW

• Psychiatric/Mental Health Nurse Practitioner in Crystal Lake, IL
• Providers in Crystal Lake, IL by specialty
• Psychiatric/Mental Health Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 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.