John Michael Ratzloff

Primary specialty

School PsychologistTaxonomy code 103TS0200X

Practice address

8505 E Torchwood PL
Sioux Falls, SD 57110-7644

Phone

(605) 261-1324

NPI assigned

Jul 29, 2026

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

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

{
    "created_epoch": "1785283200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1164344321",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8505 E TORCHWOOD PL",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571107644"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8505 E TORCHWOOD PL",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571107644",
            "telephone_number": "605-261-1324"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RATZLOFF",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-29",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TS0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, School",
            "state": "MO",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Keith O'Neil Rasmussen, OD
• Larry Dean Rasmussen, MD
• Fatimah Kashif Rasool
• Erin M Ratchford, CSW-PIP
• Tara Daphne Ratzlaff, SLP
• Renita Ratzloff
• Starr Lynn Rauch, CRNA
• Rhonda Jo Raue, MSOTR/L
• Jason Lee Rausch, CRNA
• Michelle Rose Rausch, M.A./CCC,SLP

• School Psychologist in Sioux Falls, SD
• Providers in Sioux Falls, SD by specialty
• School Psychologist in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 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.