Individual provider Active NPI

Donnan Ocarroll, MD

  • Forensic Pathology Physician
  • Eau Claire, WI
National Provider Identifier
1720025349
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Forensic Pathology PhysicianTaxonomy code 207ZF0201X
License
19897020 Issued in WI
Practice address
900 W Clairemont Ave
Eau Claire, WI 54701
Phone
(715) 839-4121
NPI assigned
Jun 1, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 12

Specialty (taxonomy)CodeLicenseStatePrimary
Blood Banking & Transfusion Medicine Physician 207ZB0001X 19897020 WI
Cytopathology Physician 207ZC0500X 19897020 WI
Dermatopathology (Pathology) Physician 207ZD0900X 19897020 WI
Forensic Pathology Physician 207ZF0201X 19897020 WI Primary
Hematology (Pathology) Physician 207ZH0000X 19897020 WI
Immunopathology Physician 207ZI0100X 19897020 WI
Medical Microbiology Physician 207ZM0300X 19897020 WI
Neuropathology Physician 207ZN0500X 19897020 WI
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 19897020 WI
Chemical Pathology Physician 207ZP0104X 19897020 WI
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X 19897020 WI
Pediatric Pathology Physician 207ZP0213X 19897020 WI

Addresses

Primary practice location

900 W Clairemont Ave
Eau Claire, WI 54701

Mailing address

2715 West Frank Street
Eau Claire, WI 54703
Phone (715) 832-6445

Other identifiers 1

IdentifierTypeStateIssuer
30538100MedicaidWI

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
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
19897020WIMDCytopathology Physician

NPI Registry JSON

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

{
    "created_epoch": "1149120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1720025349",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2715 WEST FRANK STREET",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "54703",
            "telephone_number": "715-832-6445",
            "fax_number": "715-834-5870"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 W CLAIREMONT AVE",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "54701",
            "telephone_number": "715-839-4121"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OCARROLL",
        "first_name": "DONNAN",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZB0001X",
            "taxonomy_group": "",
            "desc": "Pathology, Blood Banking & Transfusion Medicine",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZC0500X",
            "taxonomy_group": "",
            "desc": "Pathology, Cytopathology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZD0900X",
            "taxonomy_group": "",
            "desc": "Pathology, Dermatopathology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZF0201X",
            "taxonomy_group": "",
            "desc": "Pathology, Forensic Pathology",
            "state": "WI",
            "license": "19897020",
            "primary": true
        },
        {
            "code": "207ZH0000X",
            "taxonomy_group": "",
            "desc": "Pathology, Hematology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZI0100X",
            "taxonomy_group": "",
            "desc": "Pathology, Immunopathology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZM0300X",
            "taxonomy_group": "",
            "desc": "Pathology, Medical Microbiology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZN0500X",
            "taxonomy_group": "",
            "desc": "Pathology, Neuropathology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZP0104X",
            "taxonomy_group": "",
            "desc": "Pathology, Chemical Pathology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZP0105X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology/Laboratory Medicine",
            "state": "WI",
            "license": "19897020",
            "primary": false
        },
        {
            "code": "207ZP0213X",
            "taxonomy_group": "",
            "desc": "Pathology, Pediatric Pathology",
            "state": "WI",
            "license": "19897020",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30538100",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Eau Claire, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.