Winnie A. Situ, OD
Optometrist · Daly City, CA
Winnie A. Situ, OD is an optometrist with a practice address in Daly City, California, and NPI 1851882583, issued on May 30, 2018. Check the license (California 34035, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Winnie A. Situ
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34035 CA
Self-reported in NPPES; status is on the state search - Practice location
- 395 Hickey Blvd, Daly City, CA 94015
- Phone
- (650) 742-2000
- Enumerated
- May 30, 2018
- Record last updated
- Oct 23, 2024
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 395 Hickey Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alice Azus, ODOptometrist1598814527
- William Babbitt, M.D.Pediatric Adolescent Medicine Physician1578900635
- Eleanor Becker, MDOphthalmology Physician1720166317
- Dawn Belardinelli, MDPediatrics Physician1235201054
Verify Winnie A. Situ in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34035Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average optometrist in 2024
28 Medicare Part D claims for 11 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Winnie A. Situ among 8,308 optometrist records in California
Winnie A. Situ, OD is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2024 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 optometrist records list a practice address in Daly City
They are 35 of the 1,606 NPPES records with a practice address in Daly City, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Daly City → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Alice Azus, ODDaly City, CA 940151598814527
- David Brosnan, ODDaly City, CA 940151437104502
- Eve Chan, O.D.Daly City, CA 940151083601959
- Christine Chan, O.D.Daly City, CA 940151295887982
- Angela Chu, O.D.Daly City, CA 940151801950738
- Alvin Chua, O.D.Daly City, CA 940151356490809
- Barbara Fong, O.D.Daly City, CA 940151881744720
- Elaine Ho, O.D.Daly City, CA 940151396822441
Common questions
What is Winnie A. Situ, OD's NPI number?
Winnie A. Situ, OD's National Provider Identifier (NPI) is 1851882583, issued on May 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Winnie A. Situ, OD located?
The NPPES record lists a practice address at 395 Hickey Blvd, Daly City, CA, 94015. Phone: (650) 742-2000. Providers update this record themselves, so call before visiting.
How can I verify Winnie A. Situ, OD's license?
NPPES lists California license number 34035, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Winnie A. Situ, OD prescribe under Medicare Part D?
In 2024, Winnie A. Situ, OD had 28 Medicare Part D claims for 11 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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.
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.