Mary Louise Kathryn Johnson, PTA

Primary specialty

Physical Therapy AssistantTaxonomy code 225200000X

License

50352 Issued in CA

Practice address

17800 US Highway 18
Apple Valley, CA 92307-1221

Phone

(760) 552-6700

NPI assigned

Aug 24, 2026

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Mary Lou Johnson Other name

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": "1787529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1366359689",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17800 US HIGHWAY 18",
            "city": "APPLE VALLEY",
            "state": "CA",
            "postal_code": "923071221"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17800 US HIGHWAY 18",
            "city": "APPLE VALLEY",
            "state": "CA",
            "postal_code": "923071221",
            "telephone_number": "760-552-6700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "MARY LOUISE",
        "middle_name": "KATHRYN",
        "credential": "PTA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-08-24",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225200000X",
            "taxonomy_group": "",
            "desc": "Physical Therapy Assistant",
            "state": "CA",
            "license": "50352",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARY LOU",
            "last_name": "JOHNSON",
            "credential": "PTA",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Brittany Ann Johnson-Wolf
• Crystal Johnson
• Dupre C Johnson
• Isha Johnson
• Madeline L Johnson, DPT
• Neil Grant Johnson, M.D.
• Tyree Johnson
• Wendy Christine Johnson, RN
• Windy R Johnson, ASW
• Michelle L. Jolliff

• Physical Therapy Assistant in Apple Valley, CA
• Providers in Apple Valley, CA by specialty
• Physical Therapy Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.