Julie Diane Hartz, M.S.

Primary specialty

Audiologist-Hearing Aid FitterTaxonomy code 237600000X

License

HA2074 Issued in CA

Practice address

3333 Mendocino Ave Ste 240
Santa Rosa, CA 95403-3631

Phone

(707) 566-5201

Fax

(707) 566-5203

NPI assigned

Dec 12, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

State licenses

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

{
    "created_epoch": "1165881600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1184785339",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3333 MENDOCINO AVE STE 240",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954033631",
            "telephone_number": "707-566-5201",
            "fax_number": "707-566-5203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3333 MENDOCINO AVE STE 240",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954033631",
            "telephone_number": "707-566-5201",
            "fax_number": "707-566-5203"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARTZ",
        "first_name": "JULIE",
        "middle_name": "DIANE",
        "credential": "M.S.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-12",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "CA",
            "license": "AU847",
            "primary": false
        },
        {
            "code": "237600000X",
            "taxonomy_group": "",
            "desc": "Audiologist-Hearing Aid Fitter",
            "state": "CA",
            "license": "HA2074",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennie Marie Hartman, P.T.
• Kimberly Anne Hartman
• Patricia A Hartnett, MFT
• Kaitlin Hartsock
• William L Hartsough
• Susan Rust Hartz, LMFT
• Sarah Josephine Harvey, NP, CDE
• David Christopher Harvitz, DPT
• James W Harwood, MD
• Piper Danielle Haser, MA, AMFT

• Audiologist-Hearing Aid Fitter in Santa Rosa, CA
• Providers in Santa Rosa, CA by specialty
• Audiologist-Hearing Aid Fitter in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.