Claire K Farren, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

209010579 Issued in IL

Practice address

2650 Ridge Ave
Department of Anethesia
Evanston, IL 60201-1700

Phone

(847) 570-2760

Fax

(847) 570-2921

NPI assigned

Apr 14, 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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010

Merit-based Incentive Payment System (MIPS)

Final score

84.9 of 100Reported as group

Quality

75.91

Promoting interoperability

99

Improvement activities

40

Cost

74.6

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 and National Provider Directory roles.

• Endeavor Health Medical Group

  dba NorthShore University HealthSystem Faculty Practice Associates

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882
  Medicare reassignment Care Compare group
• Illinois Gastroenterology Group, LLC

  • Gastroenterology Physician
  • Elgin, IL
  • NPI 1316277817
  Medicare reassignment NPD
• Elgin Gastroenterology Endoscopy Center LLC

  dba The Endo Center of Elgin Gastroenterology

  • Ambulatory Surgical Clinic/Center
  • Elgin, IL
  • NPI 1992875454
  NPD
• Elgin Gastroenterology SC

  • Gastroenterology Physician
  • Elgin, IL
  • NPI 1932291101
  NPD
• Northwest Gastroenterologists SC

  • Specialist
  • Arlington Heights, IL
  • NPI 1801886221
  NPD
• Physicians' Ambulatory Anesthesia Services, LLC

  • Anesthesiology Physician
  • Bridgeton, MO
  • NPI 1942596002

  Nurse Anesthetist, Certified Registered

  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Endeavor Health Clinical Operations

  dba Endeavor Health Evanston Hospital

  • General Acute Care Hospital
  • Evanston, IL
  • NPI 1184670549
  Care Compare affiliation

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

{
    "created_epoch": "1271203200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769472000000",
    "number": "1790001873",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE STE 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-2040",
            "fax_number": "847-733-5315"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE",
            "address_2": "DEPARTMENT OF ANETHESIA",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-2760",
            "fax_number": "847-570-2921"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FARREN",
        "first_name": "CLAIRE",
        "middle_name": "K",
        "name_prefix": "Ms.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-04-14",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209010579",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "600420030",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Andrew R. Farra, PSY.D.
• Robert Ross Farra, PH.D.
• Abigail Farrell, PHD
• Elaine Farrell, MD
• Laurie J. Farrell, PA-C
• Dawn E. Farwell, APN-CNS
• Adelina Fassakhova, MD
• Bryn Aleah Favakeh
• John Kenneth Favale
• Rachel Joy Fear, CNM

• Certified Registered Nurse Anesthetist in Evanston, IL
• Providers in Evanston, IL by specialty
• Certified Registered Nurse Anesthetist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.