Oscar Del Rio Marquez, DC34452

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

DC34452 Issued in CA

Practice address

12100 Imperial Hwy Ste 103
Norwalk, CA 90650-3082

Phone

(323) 506-4194

NPI assigned

Sep 11, 2020

Sex

Male

Sole proprietor

Yes

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

Interoperability endpoints

• Direct secure messaging: oscar.delriodc.p1@direct.jwch.nextgenshare.com

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.

• Del Rio Chiropractic Inc.

  • Chiropractor
  • Norwalk, CA
  • NPI 1356089056
  NPD Authorized official

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

{
    "created_epoch": "1599782400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748390400000",
    "number": "1225643729",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6019 PINE AVE",
            "city": "MAYWOOD",
            "state": "CA",
            "postal_code": "902703108",
            "telephone_number": "323-506-4194"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12100 IMPERIAL HWY STE 103",
            "city": "NORWALK",
            "state": "CA",
            "postal_code": "906503082",
            "telephone_number": "323-506-4194"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEL RIO MARQUEZ",
        "first_name": "OSCAR",
        "credential": "DC34452",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-09-11",
        "last_updated": "2025-05-28",
        "certification_date": "2025-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Chiropractor",
            "state": "CA",
            "license": "DC34452",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maria De Leon
• Allison Angeles De Vera, BA
• Irene Dealba
• Elvira Del Castillo, MSW
• Del Rio Chiropractic Inc.
• Iliana Suzzette Del Rio
• Isabel Christina Del Toro, NP-C
• Sandy Dela, PHARMD
• Josefina Delco
• Mildred Madelyn Deleon

• Chiropractor in Norwalk, CA
• Providers in Norwalk, CA by specialty
• Chiropractor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 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.