Katherine Lynn Oldenkamp, RN

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

2465393 Issued in MN

Practice address

401 E 1St St
Duluth, MN 55805-2906

Phone

(218) 786-4000

NPI assigned

Aug 27, 2025

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 Lynn Cloutier Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1756252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1659250488",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1627 MISSOURI AVE",
            "city": "SUPERIOR",
            "state": "WI",
            "postal_code": "548802222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 E 1ST ST",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558052906",
            "telephone_number": "218-786-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "915 E 1st St",
            "address_purpose": "LOCATION",
            "city": "Duluth",
            "state": "MN",
            "postal_code": "558052107",
            "country_code": "US",
            "telephone_number": "218-249-5555",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OLDENKAMP",
        "first_name": "KATHERINE",
        "middle_name": "LYNN",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-27",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MN",
            "license": "2465393",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHERINE",
            "last_name": "CLOUTIER",
            "middle_name": "LYNN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jacob R Oestreich, MD
• Casandra Jean Offersen, CNP
• Kathryn Oja, PHARM. D.
• Laura Olafson
• Christopher Eugene Olby, PHARMD
• Kristy Jean Oldham
• Kayla Jean Olds, FNP
• Sara Oliver
• Harrison Robert Olk, M.A., CCC-SLP
• Mari Olk

• Registered Nurse in Duluth, MN
• Providers in Duluth, MN by specialty
• Registered Nurse in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.