Timothy James Sasaki, M.S.W., M.P.H.
Social Worker · San Francisco, CA
Timothy James Sasaki, M.S.W., M.P.H. is a social worker with a practice address in San Francisco, California, and NPI 1366621823, issued on Oct 31, 2007. Check the license (California 59650, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy James Sasaki
- Credential
- M.S.W., M.P.H.
- Primary taxonomy
- Social Worker 104100000X
- License number
- 59650 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3850 17TH St, San Francisco, CA 94114
- Phone
- (415) 934-7727
- Enumerated
- Oct 31, 2007
- Record last updated
- Jan 24, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181210002465); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest social worker records → All 10,332 in California → Look up another NPI →
Also registered at 3850 17TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nilda Alverio, MDFamily Medicine Physician1184756116
- Jacob Arellano-Anderson, MDFamily Medicine Physician1073191102
- Celia Bird, NP-CFamily Nurse Practitioner1780013979
- Kenneth ChristyCommunity Health Worker1356698633
- Philip Fagundes, LCSWSocial Worker1538698410
- Laura Feeney, PHARM.D.Pharmacist1790019578
Verify Timothy James Sasaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 59650Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- City And County OF San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy James Sasaki among 10,332 social worker records in California
Timothy James Sasaki, M.S.W., M.P.H. 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. Its NPI, issued in 2007, is newer than 3% of them.
- NPI issued2007 · 3% of these records are older, 87% newer
- In a Medicare fileYes · 2% of these records are
- In the CMS Doctors and Clinicians fileYes · 3% of these records are
- Graduated2013 · median 2015 among the 299 with a school on file
- Record last updated2014 · 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).
576 social worker records list a practice address in San Francisco
They are 576 of the 38,143 NPPES records with a practice address in San Francisco, and 10,332 social worker records in California.
All 10,332 in California → Every provider in San Francisco → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Philip Fagundes, LCSWSan Francisco, CA 941141538698410
- Jeanette FeddesSan Francisco, CA 941141831053255
- Alyssa Ghiringhelli, MSWSan Francisco, CA 941141013695717
- Kelly HansenSan Francisco, CA 941141255696191
- Elana Luban, ACSWSan Francisco, CA 941141750156022
- Harini Madhavan, LCSWSan Francisco, CA 941141336084599
- Rebecca Ngu, MSWSan Francisco, CA 941141952979148
- Mario RiveraSan Francisco, CA 941141265360002
Common questions
What is Timothy James Sasaki, M.S.W., M.P.H.'s NPI number?
Timothy James Sasaki, M.S.W., M.P.H.'s National Provider Identifier (NPI) is 1366621823, issued on Oct 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy James Sasaki, M.S.W., M.P.H. located?
The NPPES record lists a practice address at 3850 17TH St, San Francisco, CA, 94114. Phone: (415) 934-7727. Providers update this record themselves, so call before visiting.
How can I verify Timothy James Sasaki, M.S.W., M.P.H.'s license?
NPPES lists California license number 59650, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Timothy James Sasaki, M.S.W., M.P.H.'s MIPS final score?
The 2023 MIPS final score is 90.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.
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.