Individual provider Active NPI

Ronald E Gardner

  • Addiction (Substance Use Disorder) Counselor
  • San Diego, CA
National Provider Identifier
1609727049
Registry record updated Feb 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
CI48800925 Issued in CA
Practice address
9909 Huennekens St Ste 110
San Diego, CA 92121-2928
Phone
(858) 500-8000
NPI assigned
Feb 3, 2026
Last updated
Feb 3, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X CI48800925 CA Primary

Addresses

Primary practice location

9909 Huennekens St Ste 110
San Diego, CA 92121-2928

Mailing address

301 W Vermont Ave Apt 817
Escondido, CA 92025-6572
Phone (760) 877-6494

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
CI48800925CAMDAddiction (Substance Use Disorder) Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Prosperous Health San Diego, LLC PastSince Mar 11, 2025 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1770076800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1609727049",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 W VERMONT AVE APT 817",
            "city": "ESCONDIDO",
            "state": "CA",
            "postal_code": "920256572",
            "telephone_number": "760-877-6494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9909 HUENNEKENS ST STE 110",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921212928",
            "telephone_number": "858-500-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GARDNER",
        "first_name": "RONALD",
        "middle_name": "E",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-02-03",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "CI48800925",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 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.