Olivia Guittari, ASW
Social Worker · Redwood City, CA
Olivia Guittari, ASW is a social worker with a practice address in Redwood City, California, and NPI 1558164277, issued on Mar 28, 2025. Check the license (California 123409, 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.
- Name
- Olivia Guittari
- Credential
- ASW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 123409 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2950 Fair Oaks Ave, Redwood City, CA 94063
- Phone
- (650) 201-5306
- Enumerated
- Mar 28, 2025
- Record last updated
- Mar 28, 2025
- Entity
- Type 1 · individual
8 nearest social worker records → All 10,332 in California → Look up another NPI →
Also registered at 2950 Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karen Ramos LupercioMental Health Counselor1427681170
Verify Olivia Guittari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 123409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Olivia Guittari among 10,332 social worker records in California
Olivia Guittari, ASW is one of 10,332 social worker records with a practice address in California. 2% 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 2025, is newer than 90% of them.
- NPI issued2025 · 90% of these records are older, 3% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Social Worker providers in California
There are 10,332 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10,332 in California → Every provider in Redwood City → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Kendall BozzelloRedwood City, CA 940631144779802
- Svetlana Esquivel, MSWRedwood City, CA 940631871830364
- Christina GomezRedwood City, CA 940631720691140
- Ruth GurneyRedwood City, CA 940631326162736
- Elizabeth Hartman, M.S.W.Redwood City, CA 940631013134881
- Teresa JonesRedwood City, CA 940631255456612
- Maurice KlatchRedwood City, CA 940631750901542
- Laura Macfarlane, MSWRedwood City, CA 940631356696728
Common questions
What is Olivia Guittari, ASW's NPI number?
Olivia Guittari, ASW's National Provider Identifier (NPI) is 1558164277, issued on Mar 28, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Guittari, ASW located?
The NPPES record lists a practice address at 2950 Fair Oaks Ave, Redwood City, CA, 94063. Phone: (650) 201-5306. Providers update this record themselves, so call before visiting.
How can I verify Olivia Guittari, ASW's license?
NPPES lists California license number 123409, 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.
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.