Denver Therapy Online

Primary specialty

Professional CounselorTaxonomy code 101YP2500X

Legal business name

DENVER THERAPY ONLINE

Practice address

9878 W Belleview Ave
PMB 5118
Littleton, CO 80123-2101

Phone

(720) 880-9043

NPI assigned

Jan 9, 2026

Last updated

Jan 9, 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

Winnie SiwaNPI 1205515046

Title

Owner

Phone

(332) 330-3903

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in SC

Enrollment records 1

Locations

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.

• Winnie Siwa

  • Professional Counselor
  • Colorado Springs, CO
  • NPI 1205515046

  SC

  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1767916800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767916800000",
    "number": "1700743788",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6083 MUMFORD DR",
            "city": "COLORADO SPRINGS",
            "state": "CO",
            "postal_code": "809258472",
            "telephone_number": "720-880-9043"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9878 W BELLEVIEW AVE",
            "address_2": "PMB 5118",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801232101",
            "telephone_number": "720-880-9043"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DENVER THERAPY ONLINE",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-09",
        "last_updated": "2026-01-09",
        "certification_date": "2026-01-08",
        "status": "A",
        "authorized_official_last_name": "SIWA",
        "authorized_official_first_name": "WINNIE",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "332-330-3903"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Denver Recovery Group LLC (DRG Labs)
• Denver Recovery Solutions
• Denver Source, LLC
• Denver Speech and Language, Inc.
• Denver Surgical Assistants PC
• Denver VA Medical Center
• Department of Justice
• Leanne Michelle Deremer
• Cathryn Elizabeth Derman, M.S.
• Kelsey Dernocoeur, DDS

• Professional Counselor in Littleton, CO
• Providers in Littleton, CO by specialty
• Professional Counselor in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.