Serenity MHCS PLLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

SERENITY MHCS PLLC

Practice address

1505 Highway 6 S Ste 215
Houston, TX 77077-1700

Phone

(928) 770-2053

Fax

(928) 298-6946

NPI assigned

Apr 20, 2023

Last updated

Jun 24, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Sidonie B Ngankeu, PMHNP-BC

Title

Owner/Provider

Phone

(928) 770-2053

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Sidonie B Justynski

  • Psychiatric/Mental Health Nurse Practitioner
  • Yuma, AZ
  • NPI 1174027601
  NPD

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

{
    "created_epoch": "1681948800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782259200000",
    "number": "1811684731",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3811 GOLDLEAF TRAIL DR",
            "city": "KATY",
            "state": "TX",
            "postal_code": "774491661",
            "telephone_number": "928-770-2053",
            "fax_number": "928-298-6946"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1505 HIGHWAY 6 S STE 215",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770771700",
            "telephone_number": "928-770-2053",
            "fax_number": "928-298-6946"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SERENITY MHCS PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-04-20",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A",
        "authorized_official_last_name": "NGANKEU",
        "authorized_official_first_name": "SIDONIE",
        "authorized_official_middle_name": "B",
        "authorized_official_title_or_position": "OWNER/PROVIDER",
        "authorized_official_telephone_number": "928-770-2053",
        "authorized_official_credential": "PMHNP-BC"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Psychiatric/Mental Health Nurse Practitioner in Houston, TX
• Providers in Houston, TX by specialty
• Psychiatric/Mental Health Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 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.