Tranquil Days Behavioral Health LLC

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

Legal business name

TRANQUIL DAYS BEHAVIORAL HEALTH LLC

Practice address

300 Decker Dr Ste 360
Irving, TX 75062-8189

Phone

(949) 505-5063

Fax

(329) 202-9979

NPI assigned

Oct 23, 2024

Organization subpart

No

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

Authorized official

Name

Vasileios Panagopoulos, MDNPI 1871749242

Title

Ceo

Phone

(646) 397-0433

Specialties & licenses 1

Addresses

Other names 1

• Tranquil Days Behavioral Health LLC Doing business as

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Vasileios Panagopoulos, M.D.

  • Psychiatry Physician
  • New York, NY
  • NPI 1871749242
  NPD Authorized official

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

{
    "created_epoch": "1729641600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767571200000",
    "number": "1093536971",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 DECKER DR STE 360",
            "city": "IRVING",
            "state": "TX",
            "postal_code": "750628189",
            "telephone_number": "949-505-5063",
            "fax_number": "329-202-9979"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 DECKER DR STE 360",
            "city": "IRVING",
            "state": "TX",
            "postal_code": "750628189",
            "telephone_number": "949-505-5063",
            "fax_number": "329-202-9979"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "TRANQUIL DAYS BEHAVIORAL HEALTH LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-10-23",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A",
        "authorized_official_last_name": "PANAGOPOULOS",
        "authorized_official_first_name": "VASILEIOS",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "646-397-0433",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Tranquil Days Behavioral Health LLC",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Tranquil Days Behavioral Health LLC",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• Psychiatry Physician in Irving, TX
• Providers in Irving, TX by specialty
• Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 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.