Karolina Marecki

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

CSW.09933640 Issued in CO

Practice address

4430 Arapahoe Ave Ste 100
Boulder, CO 80303-1196

Phone

(720) 310-0570

NPI assigned

Jun 1, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1527811200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1083106470",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 62",
            "city": "NEDERLAND",
            "state": "CO",
            "postal_code": "804660062",
            "telephone_number": "720-569-7192"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4430 ARAPAHOE AVE STE 100",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803031196",
            "telephone_number": "720-310-0570"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARECKI",
        "first_name": "KAROLINA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-06-01",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CO",
            "license": "CSW.09933640",
            "primary": true
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Toby David Marchand, L.AC.
• Ryan Keith Marchman, DC
• Karyn Marie Marcinkus, MSW
• Gail Robin Marcus, LCSW
• Marcy Mullet LPC LLC
• Jetha Marek, MSW
• Maren Benevento LCSW LLC
• Rebecca Maret, L.AC.
• Marian Salley LCSW LLC (Pheral Psychotherapy)
• Regina Anne Marian, R.N., M.A.

• Clinical Social Worker in Boulder, CO
• Providers in Boulder, CO by specialty
• Clinical Social Worker in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.