NPPES file of Aug 9, 2026

Agnieszka Weber-Trzaska, LCSW

Clinical Social Worker · Chico, CA

Agnieszka Weber-Trzaska, LCSW is a clinical social worker with a practice address in Chico, California, and NPI 1528796083, issued on Aug 11, 2022. Check the license (California 137207, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528796083
Name
Agnieszka Weber-Trzaska
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
137207 CA
Self-reported in NPPES; status is on the state search
Practice location
1359 E Lassen Ave, Chico, CA 95973
Phone
(530) 230-9230
Enumerated
Aug 11, 2022
Record last updated
Mar 12, 2026
Fax
(530) 466-3154
Medicare enrollment
Enrolled (PECOS I20260522000774); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →

Also registered at 1359 E Lassen Ave

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

  1. Amber Benedict, ACSWClinical Social Worker1306644570
  2. Marla Christensen, AMFT, APCCMarriage & Family Therapist1134008402
  3. Emma CluffMarriage & Family Therapist1992591879
  4. Lindsay Cross, LCSWClinical Social Worker1992120273
  5. Nancy Haro JaquezClinical Social Worker1730738642
  6. Tina JavidiMental Health Counselor1346964970

Verify Agnieszka Weber-Trzaska in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 137207    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 California 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.

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Agnieszka Weber-Trzaska among 36,261 clinical social worker records in California

Agnieszka Weber-Trzaska, LCSW is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2022, is newer than 81% of them.

  • NPI issued2022 · 81% of these records are older, 14% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2023 · median 2012 among the 4,008 with a school on file
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

228 clinical social worker records list a practice address in Chico

They are 228 of the 3,684 NPPES records with a practice address in Chico, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 36,261 in California → Every provider in Chico → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Linda Bailey, LCSWChico, CA 959731417062852
  2. Genevieve Brink-Capriola, LCSWChico, CA 959731760604367
  3. Heidi Huffman, LCSWChico, CA 959731235350166
  4. Marisa LopezChico, CA 959731235361965
  5. Susan Madson, LCSWChico, CA 959731104987197
  6. Susan Matthiessen, LCSWChico, CA 959731497783013
  7. Brandt NoeyChico, CA 959731538214291
  8. Robert PonceChico, CA 959731790924033

Common questions

What is Agnieszka Weber-Trzaska, LCSW's NPI number?

Agnieszka Weber-Trzaska, LCSW's National Provider Identifier (NPI) is 1528796083, issued on Aug 11, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Agnieszka Weber-Trzaska, LCSW located?

The NPPES record lists a practice address at 1359 E Lassen Ave, Chico, CA, 95973. Phone: (530) 230-9230. Providers update this record themselves, so call before visiting.

How can I verify Agnieszka Weber-Trzaska, LCSW's license?

NPPES lists California license number 137207, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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 only as counts) 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 9, 2026.