Individual provider Active NPI

Ronald James Ziolkowski, D.C.

  • Chiropractor
  • Manitowoc, WI
National Provider Identifier
1700952272
Registry record updated Apr 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
ChiropractorTaxonomy code 111N00000X
License
1747-012 Issued in WI
Practice address
1310 Washington St
Manitowoc, WI 54220-5144
Phone
(920) 683-2255
NPI assigned
Nov 28, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Chiropractor 111N00000X 1747-012 WI Primary

Addresses

Primary practice location

1310 Washington St
Manitowoc, WI 54220-5144

Mailing address

1310 Washington St
Manitowoc, WI 54220-5144
Phone (920) 683-2255

Other identifiers 1

IdentifierTypeStateIssuer
38775500MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100226000691 WI Practitioner - Chiropractic 9234274473 Receives reassigned benefits from 1 practitioner
Practice locations: Manitowoc, WI

Care Compare profile

Medicare Care Compare
Specialty
Chiropractic
Education
Palmer College Chiropractic - West Sunnyvale, 1982
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1310 Washington St
Manitowoc, WI 54220-5144
Phone (920) 683-2255

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
1747-012WIMDChiropractor

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1164672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775433600000",
    "number": "1700952272",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1310 WASHINGTON ST",
            "city": "MANITOWOC",
            "state": "WI",
            "postal_code": "542205144",
            "telephone_number": "920-683-2255",
            "fax_number": "920-683-2177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1310 WASHINGTON ST",
            "city": "MANITOWOC",
            "state": "WI",
            "postal_code": "542205144",
            "telephone_number": "920-683-2255"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZIOLKOWSKI",
        "first_name": "RONALD",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-11-28",
        "last_updated": "2026-04-06",
        "certification_date": "2026-04-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "WI",
            "license": "1747-012",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "38775500",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Manitowoc, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.