Individual provider Active NPI

Andrew S Etzler, LSW, LAC

  • Mental Health Counselor
  • Denver, CO
National Provider Identifier
1275438095
Registry record updated Oct 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Practice address
4242 Delaware St
Denver, CO 80216-2618
Phone
(847) 501-0588
NPI assigned
Oct 12, 2026
Last updated
Oct 12, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 12, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X CO
Mental Health Counselor 101YM0800X CO Primary

Addresses

Primary practice location

4242 Delaware St
Denver, CO 80216-2618

Mailing address

960 N Pennsylvania St Apt 1
Denver, CO 80203-3161
Phone (847) 501-0588

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1791763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791763200000",
    "number": "1275438095",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 N PENNSYLVANIA ST APT 1",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802033161",
            "telephone_number": "847-501-0588"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4242 DELAWARE ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802162618",
            "telephone_number": "847-501-0588"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ETZLER",
        "first_name": "ANDREW",
        "middle_name": "S",
        "credential": "LSW, LAC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-10-12",
        "last_updated": "2026-10-12",
        "certification_date": "2026-10-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CO",
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CO",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.