Matthew Peter Lessack, M.A.

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Practice address

814 Michigan Ave Apt 2W
Evanston, IL 60202-2544

Phone

(224) 259-2271

Fax

(833) 806-2514

NPI assigned

Oct 8, 2015

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Arts

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.

• Chicago North Shore Therapy

  • Mental Health Counselor
  • Evanston, IL
  • NPI 1376372938
  NPD Authorized official

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

{
    "created_epoch": "1444262400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1538530191",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6032",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602046032",
            "telephone_number": "224-259-2271",
            "fax_number": "833-806-2514"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "814 MICHIGAN AVE APT 2W",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602022544",
            "telephone_number": "224-259-2271",
            "fax_number": "833-806-2514"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "636 Church St Ste 405",
            "address_purpose": "LOCATION",
            "city": "Evanston",
            "state": "IL",
            "postal_code": "602014580",
            "country_code": "US",
            "telephone_number": "224-259-2271",
            "fax_number": "833-806-2514",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LESSACK",
        "first_name": "MATTHEW",
        "middle_name": "PETER",
        "credential": "M.A.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-10-08",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ashley Leonard
• Christine Sofia Leone
• Amy Leow, MA, R-DMT
• Abagale Leseure
• Deanna Lesht, LCSW
• Page Lessy, LCSW
• Scott Lettow, CST, CFA
• Rachel Levenfeld, MSW
• Sarah Heinbach Levi, PSY.D.
• Adam A Levin, PSY.D.

• Mental Health Counselor in Evanston, IL
• Providers in Evanston, IL by specialty
• Mental Health Counselor in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 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.