Registry data as of Aug 27, 2026

Liana Mattera, MA, LPC-A

Mental Health Counselor · Norwalk, CT

Liana Mattera, MA, LPC-A is a mental health counselor with a practice address in Norwalk, Connecticut, and NPI 1831958768, issued on Mar 14, 2024. Check the license (Connecticut 6769, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1831958768
Name
Liana Mattera
Credential
MA, LPC-A
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
6769 CT
Self-reported in NPPES; status is on the state search
Practice location
98 East Ave, Norwalk, CT 06851
Phone
(203) 580-6660
Enumerated
Mar 14, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 98 East Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brittney Augustin, LPCAProfessional Counselor1841163789
  2. Leah Brown, M.A.Marriage & Family Therapist1265975973
  3. Mariah Carey, NCC, LPC-AMental Health Counselor1841076809
  4. Sophie Cox, LPC, NCCProfessional Counselor1487203717
  5. Amy Dorsey, LCSWClinical Social Worker1811489545
  6. Savashia Harris, MS, LMFTMarriage & Family Therapist1740725183

Verify Liana Mattera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 6769
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Bills Medicare through one group practice

  1. Union Cognitive Care, PCNorwalk, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

49 mental health counselor records list a practice address in Norwalk

They are 49 of the 1,993 NPPES records with a practice address in Norwalk, and 2,386 mental health counselor records in Connecticut.

Other mental health counselor records in Connecticut

  1. Patricia Abad, M.A.Farmington, CT1467571984
  2. Sarah Abbott, LPC-AEnfield, CT1164279691
  3. Chananya Abraham, LPC, MSWaterbury, CT1710380019
  4. Alisa AbramsFairfield, CT1417806373
  5. Katharine Accardo, LPC, LMHCNorwalk, CT1003493909
  6. Diane Ack-MitchellTorrington, CT1114674512
  7. Kathryn AckerNew Britain, CT1487464962
  8. Pilar AcostaPlainville, CT1962267229
  9. Shim AdadevohManchester, CT1598994386
  10. Ashley Adamec, LCSWManchester, CT1083008106

Common questions

What is Liana Mattera, MA, LPC-A's NPI number?

Liana Mattera, MA, LPC-A's National Provider Identifier (NPI) is 1831958768, issued on Mar 14, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Liana Mattera, MA, LPC-A located?

The NPPES record lists a practice address at 98 East Ave, Norwalk, CT, 06851. Phone: (203) 580-6660. Providers update this record themselves, so call before visiting.

How can I verify Liana Mattera, MA, LPC-A's license?

NPPES lists Connecticut license number 6769, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments, the HHS-OIG exclusion list) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.