Individual provider Active NPI

Mellissa Olson

  • Developmentally Disabled Services Day Training Agency
  • Casper, WY
National Provider Identifier
1699681486
Registry record updated Aug 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Developmentally Disabled Services Day Training AgencyTaxonomy code 251C00000X
License
210065700 Issued in WY
Practice address
6120 S Spruce St
Casper, WY 82601-6269
Phone
(307) 202-2850
NPI assigned
Aug 20, 2026
Last updated
Aug 20, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Developmentally Disabled Services Day Training Agency 251C00000X 210065700 WY Primary

Addresses

Primary practice location

6120 S Spruce St
Casper, WY 82601-6269

Mailing address

6120 S Spruce St
Casper, WY 82601-6269
Phone (307) 202-2850

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1787184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1699681486",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6120 S SPRUCE ST",
            "city": "CASPER",
            "state": "WY",
            "postal_code": "826016269",
            "telephone_number": "307-202-2850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6120 S SPRUCE ST",
            "city": "CASPER",
            "state": "WY",
            "postal_code": "826016269",
            "telephone_number": "307-202-2850"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSON",
        "first_name": "MELLISSA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-08-20",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "251C00000X",
            "taxonomy_group": "",
            "desc": "Day Training, Developmentally Disabled Services",
            "state": "WY",
            "license": "210065700",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Casper, WY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2026; 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.