Irena Vlcek, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

47715 Issued in CO

Practice address

5500 S Sycamore St
Littleton, CO 80120-1132

Phone

(303) 730-8858

NPI assigned

Jan 4, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Irena Danczik Former name

Medicare fee-for-service enrollment

Enrolled in CO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Psychiatry

Education

Other, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Arapahoe Mental Health Center IncGroup PAC ID 7315850708, 126 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Arapahoe Mental Health Center, Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Parker, CO
  • NPI 1437763968
  Medicare reassignment Care Compare group NPD
• Arapahoe Mental Health Center, Inc

  • Addiction (Substance Use Disorder) Counselor
  • Littleton, CO
  • NPI 1518571025
  NPD
• Arapahoe Mental Health Center, Inc

  • Substance Abuse Rehabilitation Facility
  • Watkins, CO
  • NPI 1710868609
  NPD
• Colorado State University

  • Clinic/Center
  • Fort Collins, CO
  • NPI 1528156437
  NPD (past)

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

{
    "created_epoch": "1136332800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762992000000",
    "number": "1194703892",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8031 CAMPUS DELIVERY",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805238031",
            "telephone_number": "970-491-7121",
            "fax_number": "970-491-6965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5500 S SYCAMORE ST",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801201132",
            "telephone_number": "303-730-8858"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8031 Campus Delivery",
            "address_purpose": "LOCATION",
            "city": "Fort Collins",
            "state": "CO",
            "postal_code": "805238031",
            "country_code": "US",
            "telephone_number": "970-491-7121",
            "fax_number": "970-491-6965",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VLCEK",
        "first_name": "IRENA",
        "name_prefix": "Mrs.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-04",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CO",
            "license": "47715",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "IRENA",
            "last_name": "DANCZIK",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Psychiatry Physician in Littleton, CO
• Providers in Littleton, CO by specialty
• Psychiatry Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.