Catherine Elizabeth Flannigan, RNFA, APRN-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

234379 Issued in AR

Practice address

7001 Rogers Ave Ste 200
Fort Smith, AR 72903-4022

Phone

(479) 314-7490

Fax

(479) 314-7494

NPI assigned

Aug 22, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in AK, AR2 enrollments

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 2

Specialty

Nurse Practitioner

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Baptist Health ServicesGroup PAC ID 0648514133, 103 clinicians

Mercy Clinic Fort Smith CommunitiesGroup PAC ID 3870668510, 361 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baptist Health - Fort Smith Hospital, Fort Smith, AR, CCN 040055
• Mercy Hospital Fort Smith Hospital, Fort Smith, AR, CCN 040062
• Providence Alaska Medical Center Hospital, Anchorage, AK, CCN 020001
• Fairbanks Memorial Hospital Hospital, Fairbanks, AK, CCN 020012

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cflannigan821873@direct.baptist-healthar.org
• FHIR API: https://api.platform.athenahealth.com/22880/brand/1/csg/1/fhir/r4

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.

• Baptist Health Services

  • Foot & Ankle Surgery Podiatrist
  • Fort Smith, AR
  • NPI 1922587690
  Medicare reassignment Care Compare group NPD
• Mercy Clinic Fort Smith Communities

  • Multi-Specialty Clinic/Center
  • Fort Smith, AR
  • NPI 1902073620
  Medicare reassignment Care Compare group NPD
• Dialysis Associates of Alaska, LLC

  • Nephrology Physician
  • Anchorage, AK
  • NPI 1912013160
  Medicare reassignment NPD
• Baptist Health Services

  • Family Medicine Physician
  • Fort Smith, AR
  • NPI 1750856043
  NPD
• Mercy Clinic Fort Smith Communities

  • Endocrinology, Diabetes & Metabolism Physician
  • Fort Smith, AR
  • NPI 1790258002
  NPD (past)
• Nephrology & Hypertension Associates of Alaska, PC

  • Nephrology Physician
  • Anchorage, AK
  • NPI 1093146623
  NPD (past)

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

• Baptist Health Regional Hospitals

  • General Acute Care Hospital
  • Fort Smith, AR
  • NPI 1710463146
  Care Compare affiliation
• Mercy Hospital Fort Smith

  • General Acute Care Hospital
  • Fort Smith, AR
  • NPI 1568433480
  Care Compare affiliation
• Fairbanks Memorial Hospital, LLC

  • General Acute Care Hospital
  • Fairbanks, AK
  • NPI 1720537178
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Anchorage, AK
  • NPI 1053363119
  Care Compare affiliation

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

{
    "created_epoch": "1187740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1700079811",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776084",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776084",
            "telephone_number": "479-314-7490",
            "fax_number": "479-314-7494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7001 ROGERS AVE STE 200",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729034022",
            "telephone_number": "479-314-7490",
            "fax_number": "479-314-7494"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1001 Towson Ave Ste 300",
            "address_purpose": "LOCATION",
            "city": "Fort Smith",
            "state": "AR",
            "postal_code": "729014921",
            "country_code": "US",
            "telephone_number": "479-709-7435",
            "fax_number": "479-709-7437",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4015 Lake Otis Pkwy Ste 101",
            "address_purpose": "LOCATION",
            "city": "Anchorage",
            "state": "AK",
            "postal_code": "995085235",
            "country_code": "US",
            "telephone_number": "907-375-5200",
            "fax_number": "907-375-5203",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FLANNIGAN",
        "first_name": "CATHERINE",
        "middle_name": "ELIZABETH",
        "credential": "RNFA, APRN-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-08-22",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AR",
            "license": "234379",
            "primary": true
        },
        {
            "code": "163WR0006X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Registered Nurse First Assistant",
            "state": "TX",
            "license": "630803",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AK",
            "license": "202059",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "1028600",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Chrystel Clotilda Flake, PT,MS
• Jania Flake, ATC
• Wyatt Flake
• Alan D Flanagan, MD
• Mary Clare Flanagan, M.D.
• Randolph P Fleck, MD
• Rebecca A Fleck, MD
• Rubine Fleming, MD
• Misty Denise Flemming, PTA
• Sarah Elizabeth Fleps, SLP-CCC

• Family Nurse Practitioner in Fort Smith, AR
• Providers in Fort Smith, AR by specialty
• Family Nurse Practitioner in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.