Stephen A Flaherty, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

209001940 Issued in IL

Practice address

1 Kish Hospital Dr
Dekalb, IL 60115-9602

Phone

(815) 756-1521

Fax

(815) 766-9647

NPI assigned

Mar 29, 2006

Last updated

Dec 16, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Anesthesia Associates, LTDGroup PAC ID 2961303425, 34 clinicians

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Presence Mercy Medical Center Hospital, Aurora, IL, CCN 140174
• Northwestern Medicine Kishwaukee Hospital Hospital, Dekalb, IL, CCN 140286

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

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.

• Anesthesia Associates, LTD

  • Pain Medicine (Anesthesiology) Physician
  • Aurora, IL
  • NPI 1952308223
  Medicare reassignment Care Compare group NPD
• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Delnor Community Hospital

  dba Northwestern Medicine Delnor Community Hospital

  • General Acute Care Hospital
  • Geneva, IL
  • NPI 1407859655
  NPD (past)
• Guardian Anesthesia Associates, S.C

  • Interventional Pain Medicine Physician
  • Aurora, IL
  • NPI 1326097221

  Anesthesiology

  NPD (past)

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

• Kishwaukee Community Hospital

  dba Northwestern Medicine Kishwaukee Hospital

  • General Acute Care Hospital
  • Dekalb, IL
  • NPI 1669534517
  Care Compare affiliation
• Mercy Medical Center - Aurora LLC

  • General Acute Care Hospital
  • Aurora, IL
  • NPI 1598503922
  Care Compare affiliation

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

{
    "created_epoch": "1143590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1932160066",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 KISH HOSPITAL DR",
            "city": "DEKALB",
            "state": "IL",
            "postal_code": "601159602",
            "telephone_number": "815-756-1521",
            "fax_number": "815-766-9647"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 KISH HOSPITAL DR",
            "city": "DEKALB",
            "state": "IL",
            "postal_code": "601159602",
            "telephone_number": "815-756-1521",
            "fax_number": "815-766-9647"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLAHERTY",
        "first_name": "STEPHEN",
        "middle_name": "A",
        "name_prefix": "Mr.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-29",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209001940",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "041.235148",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "209.001940",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "IL",
            "license": "041235148",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "IL",
            "license": "209001940",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathryn Diane Ferdon
• Alexandra Elaine Ferguson, OTD, OTR
• Shelly Fern, APRN, CNP
• Nancy Sue Fine, CCC-SLP
• Colleen Finn
• Michael Douglas Flora, LCPC, LPCC, LSW
• Kortney Flowers, CCC-SLP/L
• Janice Foca-Gron
• Forward Thinking Therapy, LTD
• Grace Katherine Fox

• Certified Registered Nurse Anesthetist in Dekalb, IL
• Providers in Dekalb, 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 Dec 16, 2025; 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.