NPPES file of Aug 9, 2026

Arianna Maria Sousa, LCSW

Clinical Social Worker · Napa, CA

Arianna Maria Sousa, LCSW is a clinical social worker with a practice address in Napa, California, and NPI 1285362152, issued on Aug 9, 2022. Check the license (California 129632, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1285362152
Name
Arianna Maria Sousa
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
129632 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Hartle CT, Napa, CA 94559
Phone
(707) 254-1775
Enumerated
Aug 9, 2022
Record last updated
Apr 30, 2025
Fax
(707) 254-1779
Medicare enrollment
Enrolled (PECOS I20250512001364); accepts 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 300 Hartle CT

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

  1. Angel Aguilera, MDPsychiatry Physician1063806743
  2. Denisse AlemanSocial Worker1063908226
  3. Ana Barrios LopezClinical Social Worker1396362984
  4. Peta Gay Bezek, FNP-BCFamily Nurse Practitioner1396281911
  5. Heidi Biegel, CNMAdvanced Practice Midwife1558366054
  6. Jamie Bongiovi, LCSWSocial Worker1013071067

Verify Arianna Maria Sousa 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 129632    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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Bills Medicare through one group practice

  1. Ole HealthFairfield, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Arianna Maria Sousa among 36,261 clinical social worker records in California

Arianna Maria Sousa, 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. Its NPI, issued in 2022, is newer than 81% of them.

  • NPI issued2022 · 81% of these records are older, 14% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2021 · median 2012 among the 4,008 with a school on file
  • Record last updated2025 · 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).

147 clinical social worker records list a practice address in Napa

They are 147 of the 3,583 NPPES records with a practice address in Napa, and 36,261 clinical social worker records in California.

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

The 8 clinical social worker records with the nearest ZIP codes

  1. Robert Alpert, LCSWNapa, CA 945591588646053
  2. Mark Bontrager, MSW, LCSWNapa, CA 945591801946785
  3. Steven Boyd, M.S.W.; L.C.S.W.Napa, CA 945591659462653
  4. Mary Carson, LCSWNapa, CA 945591376603795
  5. Colleen Daugherty, LCSWNapa, CA 945591881767788
  6. Jane Dickel, LCSWNapa, CA 945591053346247
  7. Del Domezio, LCSWNapa, CA 945591245329390
  8. Angie Ito, LCSWNapa, CA 945591841384500

Common questions

What is Arianna Maria Sousa, LCSW's NPI number?

Arianna Maria Sousa, LCSW's National Provider Identifier (NPI) is 1285362152, issued on Aug 9, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Arianna Maria Sousa, LCSW located?

The NPPES record lists a practice address at 300 Hartle CT, Napa, CA, 94559. Phone: (707) 254-1775. Providers update this record themselves, so call before visiting.

How can I verify Arianna Maria Sousa, LCSW's license?

NPPES lists California license number 129632, 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. Medicare files from data.cms.gov. 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.