Water Oak Psychiatry PLLC

Primary specialty

Child & Adolescent Psychiatry PhysicianTaxonomy code 2084P0804X

Legal business name

WATER OAK PSYCHIATRY PLLC

Practice address

507 Denali Pass Ste 101
Cedar Park, TX 78613-7979

Phone

(737) 843-4210

NPI assigned

Aug 18, 2026

Organization subpart

No

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

Authorized official

Name

Brian Massey, MD

Title

Member

Phone

(737) 843-4210

Specialties & licenses 1

Addresses

Locations

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

{
    "created_epoch": "1787011200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787011200000",
    "number": "1134034747",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 S HIGHWAY 183 STE 266",
            "city": "LEANDER",
            "state": "TX",
            "postal_code": "786411991"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "507 DENALI PASS STE 101",
            "city": "CEDAR PARK",
            "state": "TX",
            "postal_code": "786137979",
            "telephone_number": "737-843-4210"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WATER OAK PSYCHIATRY PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-18",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A",
        "authorized_official_last_name": "MASSEY",
        "authorized_official_first_name": "BRIAN",
        "authorized_official_title_or_position": "MEMBER",
        "authorized_official_telephone_number": "737-843-4210",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hong Wang
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• Lisa Z. Warren, PH.D.
• Marissa Warren, OTRL
• Pamela A Warren, MD
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• Waterloo Eye Associates (Hill Country Eye Center)
• Davida P Watkins
• Felicity Jewell Way, NP-C
• Wayne a. Hurst, DPM, PA (Foot Specialists of Cedar Park and Georgetown)

• Child & Adolescent Psychiatry Physician in Cedar Park, TX
• Providers in Cedar Park, TX by specialty
• Child & Adolescent Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.