Liana Mattera, MA, LPC-A

Primary specialty

Professional CounselorTaxonomy code 101YP2500X

License

6769 Issued in CT

Practice address

98 East Ave
Norwalk, CT 06851-5029

Phone

(203) 580-6660

NPI assigned

Mar 14, 2024

Last updated

Oct 13, 2026By the provider in NPPES

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Union Cognitive Care, PC

  dba Ellie Mental Health of Glastonbury

  • Mental Health Counselor
  • Glastonbury, CT
  • NPI 1649979832
  Medicare reassignment Care Compare group NPD
• Currents Mental Health LLC

  • Professional Counselor
  • Norwalk, CT
  • NPI 1164330601
  Authorized official Same address or phone
• Care Counseling, PLLC

  dba Ellie Mental Health

  • 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": "1791849600000",
    "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": "2026-10-13",
        "certification_date": "2026-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "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.

• Professional Counselor in Norwalk, CT
• Providers in Norwalk, CT by specialty
• Professional Counselor in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 13, 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.