Calmistry Mental Health LLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

CALMISTRY MENTAL HEALTH LLC

Practice address

440 Louisiana St Ste 900
Houston, TX 77002-1062

Phone

(281) 683-5478

NPI assigned

Mar 4, 2026

Organization subpart

No

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

Authorized official

Name

Tonya Williams, NPNPI 1700590353

Title

Owner

Phone

(346) 898-3720

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.

• Tonya Williams, NP

  • Psychiatric/Mental Health Nurse Practitioner
  • Houston, TX
  • NPI 1700590353
  NPD Authorized official

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

{
    "created_epoch": "1772582400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786492800000",
    "number": "1811843758",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "440 LOUISIANA ST STE 900",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770021062",
            "telephone_number": "346-898-3720"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "440 LOUISIANA ST STE 900",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770021062",
            "telephone_number": "281-683-5478"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CALMISTRY MENTAL HEALTH LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-04",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "TONYA",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "346-898-3720",
        "authorized_official_credential": "NP"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Calm & Care Counseling, PLLC
• Calm Care LLC
• Calm Chiropractic PLLC
• Calm Solutions, LLC
• Calming Communities, PLLC
• Bianca Anthonee Calo, RN, ACNP
• Mary Catherine Calomino, DO
• Kevin B Calongne, DDS
• Alexandra Caloudas, PH.D.
• Steve George Caloudas III, LP

• 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 Aug 12, 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.