Individual provider Active NPI

Olivia Grace Osielski

  • Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
  • Tomah, WI
National Provider Identifier
1578286712
Registry record updated Jan 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistTaxonomy code 1835P0018X
License
P10330 Issued in ID
Practice address
500 E Veterans St
Tomah, WI 54660-3105
Phone
(608) 372-3971
NPI assigned
Sep 22, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X P10330 ID Primary

Addresses

Primary practice location

500 E Veterans St
Tomah, WI 54660-3105

Mailing address

500 E Veterans St
Tomah, WI 54660-3105

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

State licenses

LicenseStateTypeSpecialty
P10330IDMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI Registry JSON

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

{
    "created_epoch": "1663804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768867200000",
    "number": "1578286712",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 E VETERANS ST",
            "city": "TOMAH",
            "state": "WI",
            "postal_code": "546603105"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 E VETERANS ST",
            "city": "TOMAH",
            "state": "WI",
            "postal_code": "546603105",
            "telephone_number": "608-372-3971"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OSIELSKI",
        "first_name": "OLIVIA",
        "middle_name": "GRACE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-09-22",
        "last_updated": "2026-01-20",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1835P0018X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist",
            "state": "ID",
            "license": "P10330",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tomah, WI

Sources for this page

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