Daniel R O'Brien, DDS

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

4008-015 Issued in WI

Practice address

2971 Chapel Valley Rd
Fitchburg, WI 53711-7420

Phone

(608) 661-6400

NPI assigned

Jun 2, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1962440123",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "131 LAKEWOOD BLVD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537045913"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2971 CHAPEL VALLEY RD",
            "city": "FITCHBURG",
            "state": "WI",
            "postal_code": "537117420",
            "telephone_number": "608-661-6400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "DANIEL",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "WI",
            "license": "4008-015",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "33686000",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Gina M Nolan, SLP
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• Hanna Marie Noyce, MS, OTR
• Lindsay Marie O'Loughlin, CF-SLP
• Liam Rodion O'Neil, PHARMD
• Zoe Marta O'Neill, COTA
• Carlene Oakley, M.D.
• Richard Oberg, MSOM

• General Practice Dentistry in Fitchburg, WI
• Providers in Fitchburg, WI by specialty
• General Practice Dentistry in Wisconsin

• 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.