Registry data as of Aug 27, 2026

Sarah Biondolillo

Social Worker · Fairfield, CA

Sarah Biondolillo is a social worker with a practice address in Fairfield, California, and NPI 1659033181, issued on Oct 12, 2021. Check the license (California 111416, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1659033181
Name
Sarah Biondolillo
Primary taxonomy
Social Worker 104100000X
License number
111416 CA
Self-reported in NPPES; status is on the state search
Practice location
1234 Empire St, Fairfield, CA 94533
Phone
(510) 317-1444
Enumerated
Oct 12, 2021
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 1234 Empire St

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

  1. Marissa AdenRegistered Nurse1437535176
  2. Colin AmatoMarriage & Family Therapist1790208288
  3. Yasmina BazaraaProfessional Counselor1790265833
  4. Destiny BeardenCounselor1841904968
  5. Frederick Blair, M.D.Obstetrics & Gynecology Physician1386731768
  6. Keana Bradley, MHRSCase Manager/Care Coordinator1518415140

Verify Sarah Biondolillo 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 111416
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

82 social worker records list a Fairfield practice address

They are 82 of the 3,595 NPPES records with a Fairfield practice address, and 10,180 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other social worker records in California

  1. Katie AbajianSan Ysidro, CA1710211818
  2. Katherine AbarcaRancho Cucamonga, CA1225814304
  3. Vafa AbbassiPasadena, CA1740538198
  4. Alexis AbbottSan Diego, CA1265158877
  5. Jeanne Abbott, LCSWModesto, CA1780786939
  6. Vanessa AbcedeLos Angeles, CA1306584495
  7. Sabrina AbdelmutiLong Beach, CA1215244280
  8. Michelle AbdennourNorthridge, CA1467838458
  9. Mulky Abdi, BAEl Sobrante, CA1760609861
  10. Sara Abdi-PanarielloSacramento, CA1912186172

Common questions

What is Sarah Biondolillo's NPI number?

Sarah Biondolillo's National Provider Identifier (NPI) is 1659033181, issued on Oct 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Biondolillo located?

The NPPES record lists a practice address at 1234 Empire St, Fairfield, CA, 94533. Phone: (510) 317-1444. Providers update this record themselves, so call before visiting.

How can I verify Sarah Biondolillo's license?

NPPES lists California license number 111416, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.