Citadel Behavioral Health Services Inc.

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

CITADEL BEHAVIORAL HEALTH SERVICES INC.

Practice address

2333 W Lunt Ave
Chicago, IL 60645-4700

Phone

(773) 986-1546

NPI assigned

Aug 27, 2025

Organization subpart

No

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

Authorized official

Name

Mrs. Loretta Chidinma Armstrong, NPNPI 1003591017

Title

Nurse Practitioner

Phone

(773) 986-1546

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.

• Loretta Chidinma Armstrong, APRN

  • Psychiatric/Mental Health Nurse Practitioner
  • Chicago, IL
  • NPI 1003591017
  NPD Authorized official

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

{
    "created_epoch": "1756252800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756252800000",
    "number": "1962381699",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2333 W LUNT AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606454700",
            "telephone_number": "773-986-1546"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2333 W LUNT AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606454700",
            "telephone_number": "773-986-1546"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CITADEL BEHAVIORAL HEALTH SERVICES INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-08-27",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A",
        "authorized_official_last_name": "ARMSTRONG",
        "authorized_official_first_name": "LORETTA",
        "authorized_official_middle_name": "CHIDINMA",
        "authorized_official_title_or_position": "NURSE PRACTITIONER",
        "authorized_official_telephone_number": "773-986-1546",
        "authorized_official_name_prefix": "Mrs.",
        "authorized_official_credential": "NP"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Benedict E Ciszek, M.D.
• Jessica Ann Ciszek, M.D.
• Krystyna Ciszek, BCBA
• Michael Anthony Ciszek
• Emily Ciszewski
• Tomasz Citak, PT
• Gina Cital
• Citi Adult Worshop
• Citi Diagnostics Inc
• Citi Physicians

• Psychiatric/Mental Health Nurse Practitioner in Chicago, IL
• Providers in Chicago, IL by specialty
• Psychiatric/Mental Health Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2025; 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.