Robert St. John, CATC-I

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

25119 Issued in CA

Practice address

158 Rockaway Rd
Oak View, CA 93022-9306

Phone

(213) 494-5261

NPI assigned

Sep 3, 2026

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

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

{
    "created_epoch": "1788393600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1043129273",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11 CEDAR CREST CT",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913203621",
            "telephone_number": "213-494-5261"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "158 ROCKAWAY RD",
            "city": "OAK VIEW",
            "state": "CA",
            "postal_code": "930229306",
            "telephone_number": "213-494-5261"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ST. JOHN",
        "first_name": "ROBERT",
        "credential": "CATC-I",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-09-03",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "25119",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pdap of Ventura County
• George Melvin Penree IV, RAD-T
• Cynthia Perez
• Blair Plopper
• Larry Schroeder Simpson, D.D.S.
• Rebecca Stephens, MD
• Sunny Valentine Swallows
• Noelle Swanger, RN
• Rose Lynn Wagner, RDN
• Joseph R Westbury, D.D.S.

• Addiction (Substance Use Disorder) Counselor in Oak View, CA
• Providers in Oak View, CA by specialty
• Addiction (Substance Use Disorder) Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.