John Glaser, SUDRC I

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

22611 Issued in CA

Practice address

419 Pennsylvania St
Vallejo, CA 94590-6933

Phone

(707) 643-2715

NPI assigned

Jan 30, 2026

Sex

Male

Sole proprietor

No

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

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

{
    "created_epoch": "1769731200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769731200000",
    "number": "1538019526",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "408 KNIGHTSBRIDGE WAY",
            "city": "AMERICAN CANYON",
            "state": "CA",
            "postal_code": "945034164",
            "telephone_number": "707-655-2313"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "419 PENNSYLVANIA ST",
            "city": "VALLEJO",
            "state": "CA",
            "postal_code": "945906933",
            "telephone_number": "707-643-2715"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GLASER",
        "first_name": "JOHN",
        "credential": "SUDRC I",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-30",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "22611",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gloria Grace Gistand
• Jessica Nicole Givins
• Lucy Gjorgjiev
• Anthony Marcus Gladney
• Chawnte Glasco
• Annette Ellen Glass, LMFT
• Serge Alexander Glazunov, DDS
• Mark Anthony Gleason
• John David Glenn, MD
• Deborah Louise Gloria, CADC II COUNSELOR

• Addiction (Substance Use Disorder) Counselor in Vallejo, CA
• Providers in Vallejo, 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 Jan 30, 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.