Katherine Rioux

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

RNA133030 Issued in ME

Practice address

144 State St
Portland, ME 04101-3776

Phone

(207) 879-3000

NPI assigned

Jan 15, 2014

Last updated

Sep 23, 2026By the provider in NPPES

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 names 1

• Katherine Mercedes Former name

Medicare fee-for-service enrollment

Enrolled in FL

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

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 Services Plus Inc.

  • Certified Registered Nurse Anesthetist
  • Fort Myers, FL
  • NPI 1205230703

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Centurian Anesthesia Management

  • Certified Registered Nurse Anesthetist
  • Fort Myers, FL
  • NPI 1467172247

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Somnex LLC

  • Certified Registered Nurse Anesthetist
  • Naples, FL
  • NPI 1962277004

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Beacon Health LLC

  • Internal Medicine Physician
  • Naples, FL
  • NPI 1942968524
  NPD
• Mercy Hospital

  dba Mercy Medical Associates

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1427313048
  NPD (past)
• Mercy Hospital

  dba Mercy Express Care Westbrook

  • General Acute Care Hospital
  • Westbrook, ME
  • NPI 1801234182
  NPD (past)

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

{
    "created_epoch": "1389744000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790121600000",
    "number": "1023430618",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5141 YORK CT",
            "city": "CAPE CORAL",
            "state": "FL",
            "postal_code": "339045638",
            "telephone_number": "207-879-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "144 STATE ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041013776",
            "telephone_number": "207-879-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RIOUX",
        "first_name": "KATHERINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-01-15",
        "last_updated": "2026-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "ME",
            "license": "RNA133030",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHERINE",
            "last_name": "MERCEDES",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Joseph Riley, LADC
• Keith Riley
• Marybeth Riley, RN, CADC
• Carmen J Rinaldi, M.D.
• Theodor D Rintel, M.D.
• Michelle Allen Rioux, PT
• Rise Holistic Healing, LLC
• Rise Recovery, LLC
• Hailee Nicole Ritcey
• Todd Clifford Ritch

• Certified Registered Nurse Anesthetist in Portland, ME
• Providers in Portland, ME by specialty
• Certified Registered Nurse Anesthetist in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; 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.