William Jack Schuldt Jr., DDS MS

Primary specialty

PeriodonticsTaxonomy code 1223P0300X

License

D8754 Issued in MN

Practice address

324 West Superior St
Ste 1229
Duluth, MN 55802-1711

Phone

(218) 722-7404

Fax

(218) 722-7404

NPI assigned

May 19, 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

Practice roles

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.

• William J. Schuldt, D.D.S., P.a.

  • Periodontics
  • Duluth, MN
  • NPI 1922145861
  NPD (past) Authorized official

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

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1003860727",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "324 WEST SUPERIOR ST",
            "address_2": "STE 1229",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558021711",
            "telephone_number": "218-722-7404",
            "fax_number": "218-722-7404"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "324 WEST SUPERIOR ST",
            "address_2": "STE 1229",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558021711",
            "telephone_number": "218-722-7404",
            "fax_number": "218-722-7404"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHULDT",
        "first_name": "WILLIAM",
        "middle_name": "JACK",
        "name_suffix": "Jr.",
        "credential": "DDS MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0300X",
            "taxonomy_group": "",
            "desc": "Dentist, Periodontics",
            "state": "MN",
            "license": "D8754",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David G. Schroeder
• Jacob James Schroeder
• Michael Jacob Schroeder, MD
• Honah Marie Schul, RN
• Mary Noel Schuldt, CCC/SLP
• Debra Schull, MA
• Marisa Schultz-Erickson, LSW
• Derek Schultz, DO
• Jacqueline Marie Schultz
• Jason C Schultz, MD

• Periodontics in Duluth, MN
• Providers in Duluth, MN by specialty
• Periodontics in Minnesota

• 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.