Nikki Ann Riley, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

143280 Issued in IA

Practice address

1000 4TH St SW
Mason City, IA 50401-2800

Phone

(641) 428-7000

NPI assigned

Apr 19, 2016

Sex

Female

Sole proprietor

No

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 WA, ID2 enrollments

Enrollment records 2

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 and National Provider Directory roles.

• Public Hospital District #1-a of Whitman County

  • Critical Access Hospital
  • Pullman, WA
  • NPI 1366446767
  Medicare reassignment NPD
• Public Hospital District No 3 of Whitman County

  • Critical Access Hospital
  • Colfax, WA
  • NPI 1922009448
  Medicare reassignment NPD
• River City Anesthesia Associates, PLLC

  • Certified Registered Nurse Anesthetist
  • Post Falls, ID
  • NPI 1114908993

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Public Hospital District #1-a of Whitman County

  • Medicare Defined Swing Bed Hospital Unit
  • Pullman, WA
  • NPI 1750401006
  NPD (past)

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

{
    "created_epoch": "1461024000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752796800000",
    "number": "1346694072",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1410 6TH ST SW",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504014818",
            "telephone_number": "641-424-6704",
            "fax_number": "641-424-6709"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 4TH ST SW",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012800",
            "telephone_number": "641-428-7000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "835 SE Bishop Blvd",
            "address_purpose": "LOCATION",
            "city": "Pullman",
            "state": "WA",
            "postal_code": "991635512",
            "country_code": "US",
            "telephone_number": "509-332-2541",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RILEY",
        "first_name": "NIKKI",
        "middle_name": "ANN",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-04-19",
        "last_updated": "2025-07-18",
        "certification_date": "2025-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WA",
            "license": "AP60862816",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IA",
            "license": "143280",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alyssa Anne Rider, MS, RD, LD
• Kevin R Rier, M.D.
• William J Riesen, MD
• Carrissa Riggs, PA
• Brandt Michael Riley, DO
• Katie Roderick, LMSW
• Sandra Rohr, ARNP
• Jezanna Rooney, ARNP
• Roots Nutrition Counseling Inc.
• Sally K Roper, ARNP,FNP

• Certified Registered Nurse Anesthetist in Mason City, IA
• Providers in Mason City, IA by specialty
• Certified Registered Nurse Anesthetist in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.