Liana Mattera, MA, LPC-A

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

6769 Issued in CT

Practice address

98 East Ave
Norwalk, CT 06851-5029

Phone

(203) 580-6660

NPI assigned

Mar 14, 2024

Sex

Female

Sole proprietor

No

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

Enrolled in CT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Mental Health Counselor

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Union Cognitive Care, PCGroup PAC ID 1355782236, 9 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Arts

State licenses

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.

• Union Cognitive Care, PC

  • Mental Health Counselor
  • Glastonbury, CT
  • NPI 1649979832
  Medicare reassignment Care Compare group NPD
• Care Counseling, PLLC

  • Mental Health Counselor
  • Norwalk, CT
  • NPI 1548983562
  NPD

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

{
    "created_epoch": "1710374400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1831958768",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7 NIMROD FARM RD",
            "city": "WESTON",
            "state": "CT",
            "postal_code": "068831625",
            "telephone_number": "203-505-9540"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "98 EAST AVE",
            "city": "NORWALK",
            "state": "CT",
            "postal_code": "068515029",
            "telephone_number": "203-580-6660"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATTERA",
        "first_name": "LIANA",
        "credential": "MA, LPC-A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-03-14",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CT",
            "license": "6769",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katherine Mathew, MD
• Reena Mathew
• Salil Mathew, MD
• Lauren Matla
• Garrett Matlick, APRN
• Amy Madeleine Matton, DACM, L.AC.
• Anne S Mauk, PA-C
• Theresa Maxam, FNP-BC, APRN
• Maxim Healthcare Services, Inc.
• Eric M Mazur, M.D.

• Mental Health Counselor in Norwalk, CT
• Providers in Norwalk, CT by specialty
• Mental Health Counselor in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.