Kristin Fell

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Practice address

145 S Virginia St
Crystal Lake, IL 60014-7226

Phone

(815) 444-9999

NPI assigned

May 23, 2016

Last updated

Feb 3, 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 5

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

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

Specialty

Clinical Social Worker

Education

Other, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mathers Recovery LLCGroup PAC ID 2163781378, 6 clinicians

Mathers Clinic LLCGroup PAC ID 7214111582, 21 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Mathers Clinic LLC

  dba Mathers Clinic

  • Psychiatry Physician
  • Crystal Lake, IL
  • NPI 1316237530
  Medicare reassignment Care Compare group NPD
• Mathers Recovery LLC

  • Methadone Clinic
  • Fox Lake, IL
  • NPI 1922543461

  Community/Behavioral Health

  Medicare reassignment Care Compare group NPD
• Mathers Recovery LLC

  • Methadone Clinic
  • Elgin, IL
  • NPI 1639614175

  Community/Behavioral Health

  NPD
• The Mathers Clinic LLC

  • Community/Behavioral Health Agency
  • Woodstock, IL
  • NPI 1316307259
  NPD

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

{
    "created_epoch": "1463961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1770930497",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "859 BIG BEAR TRL",
            "city": "CARY",
            "state": "IL",
            "postal_code": "600133303",
            "telephone_number": "847-757-9012"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "145 S VIRGINIA ST",
            "city": "CRYSTAL LAKE",
            "state": "IL",
            "postal_code": "600147226",
            "telephone_number": "815-444-9999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FELL",
        "first_name": "KRISTIN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-05-23",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "251S00000X",
            "taxonomy_group": "",
            "desc": "Community/Behavioral Health",
            "state": "IL",
            "license": "150006696",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Family Health Partnership
• Family Medicine for McHenry County
• Sana Fayyaz, MD
• Katherine M Fee, LPC
• Michael I Feinberg, RPH
• Dalilah Rose Fernandez
• Paula Frances Fick, OTR/L
• Monica J Fiedler, P.T.
• Angela Fieldhouse
• Jami Lynne Finch-Derro

• Clinical Social Worker in Crystal Lake, IL
• Providers in Crystal Lake, IL by specialty
• Clinical Social Worker in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 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.