Joseph Harry Gerlach, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

A205350 Issued in CA

Practice address

14445 Olive View Dr
Sylmar, CA 91342-1437

Phone

(747) 210-5656

NPI assigned

Mar 28, 2024

Sex

Male

Sole proprietor

No

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

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1711584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762300800000",
    "number": "1881445781",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14445 OLIVE VIEW DR",
            "city": "SYLMAR",
            "state": "CA",
            "postal_code": "913421437"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14445 OLIVE VIEW DR",
            "city": "SYLMAR",
            "state": "CA",
            "postal_code": "913421437",
            "telephone_number": "747-210-5656"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERLACH",
        "first_name": "JOSEPH",
        "middle_name": "HARRY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-03-28",
        "last_updated": "2025-11-05",
        "certification_date": "2025-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": "A205350",
            "primary": false
        },
        {
            "code": "2084P0805X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Geriatric Psychiatry",
            "state": "CA",
            "license": "A205350",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "A205350",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leslie A Garza
• Laurie Gelardi, NP
• Jane Geluz, RN, PHN
• Generations Therapy Corp.
• Mark Sean C. Genoveza, NP-C
• Christine Anne Geronimo, NP-C
• Davit Gevorgyan
• Arlin Ghazarian, FNP
• Nelli Ghazaryan, DO, MPH
• Manzer H Ghaznavi, MD

• Psychiatry Physician in Sylmar, CA
• Providers in Sylmar, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 5, 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.