Ronald Marquez, RN

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

532659 Issued in CA

Practice address

675 E Bradley Ave
El Cajon, CA 92021-3110

Phone

(619) 448-6633

Fax

(619) 448-5462

NPI assigned

Jul 2, 2025

Last updated

Jul 2, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1751414400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751414400000",
    "number": "1558250589",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "675 E BRADLEY AVE",
            "city": "EL CAJON",
            "state": "CA",
            "postal_code": "920213110",
            "telephone_number": "619-504-3907",
            "fax_number": "619-504-3907"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 E BRADLEY AVE",
            "city": "EL CAJON",
            "state": "CA",
            "postal_code": "920213110",
            "telephone_number": "619-448-6633",
            "fax_number": "619-448-5462"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARQUEZ",
        "first_name": "RONALD",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-07-02",
        "last_updated": "2025-07-02",
        "certification_date": "2025-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "532659",
            "primary": true
        },
        {
            "code": "163WA0400X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "532659",
            "primary": false
        },
        {
            "code": "163WP0809X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Psychiatric/Mental Health, Adult",
            "state": "CA",
            "license": "532659",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nuha Marooki, DMD
• Trevor Patrick Maroshek
• Angela Marquez
• Betty Rosas Marquez
• Monique Marquez
• Sarah Marquez
• Salvador Anahuac Marron
• Olivia A Marrone
• Jennifer L Marshall
• Ialet Martani, PHARM D

• Registered Nurse in El Cajon, CA
• Providers in El Cajon, CA by specialty
• Registered Nurse in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.