Mark Olsen, DDS

Primary specialty

DentistTaxonomy code 122300000X

License

5501015 Issued in WI

Practice address

2630 Ironwood Dr
Sun Prairie, WI 53590-8830

Phone

(608) 837-7842

Fax

(608) 318-8787

NPI assigned

Apr 16, 2008

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Smith & Olsen Dental LLC

  • General Practice Dentistry
  • Sun Prairie, WI
  • NPI 1013078955
  NPD (past) Authorized official
• West Prairie Dental LLC

  • General Practice Dentistry
  • Sun Prairie, WI
  • NPI 1124900907
  NPD

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

{
    "created_epoch": "1208304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750896000000",
    "number": "1730353277",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2630 IRONWOOD DR",
            "city": "SUN PRAIRIE",
            "state": "WI",
            "postal_code": "535908830",
            "telephone_number": "608-837-7842",
            "fax_number": "608-318-8787"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2630 IRONWOOD DR",
            "city": "SUN PRAIRIE",
            "state": "WI",
            "postal_code": "535908830",
            "telephone_number": "608-837-7842",
            "fax_number": "608-318-8787"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSEN",
        "first_name": "MARK",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-04-16",
        "last_updated": "2025-06-26",
        "certification_date": "2025-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "WI",
            "license": "5501015",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kristen O'Malley
• Oak Tree Counseling
• Corey Ann Ohlson-Rappe, MA, BCBA
• Beatrice Obiageli Okpala, RN, BSC OPTOMETRY
• Kelsie Olono, APSW
• Ryan Olson, PT
• Bryce Opps, DMD
• Cheryl Ordens, RN
• Aidan L. Osborne, SLP
• Kathleen Lousie Packard, LPN

• Dentist in Sun Prairie, WI
• Providers in Sun Prairie, WI by specialty
• Dentist in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 26, 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.