Primrose Wong, OD
Optometrist · San Carlos, CA
Primrose Wong, OD is an optometrist with a practice address in San Carlos, California, and NPI 1720176423, issued on Oct 10, 2006. Check the license (California OPT10006T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Primrose Wong
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT10006T CA
Self-reported in NPPES; status is on the state search - Practice location
- 301 Industrial RD, San Carlos, CA 94070
- Phone
- (650) 596-4220
- Enumerated
- Oct 10, 2006
- Record last updated
- Mar 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120612000597); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 1992
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 301 Industrial RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Katrina Abad, AGPCNP-BCNurse Practitioner1306394952
- Maryam Adeel, M.D.Family Medicine Physician1285163998
- Jennifer Akazawa, MDFamily Medicine Physician1457971772
- Sarah Alamillo, PA-CPhysician Assistant1306349352
- Judith Alderman, N.P.Nurse Practitioner1407225121
- Omar Aljundi, NPNurse Practitioner1811464811
Verify Primrose Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT10006TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average optometrist in 2024
67 Medicare Part D claims for 51 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Erythromycin25 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.
Industry payments in 2024: $20.46
1 payment: food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Primrose Wong among 8,308 optometrist records in California
Primrose Wong, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1992 · median 2008 among the 3,573 with a school on file
- Record last updated2020 · 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).
14 optometrist records list a practice address in San Carlos
They are 14 of the 1,015 NPPES records with a practice address in San Carlos, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Carlos → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Siavash AssarSan Carlos, CA 940701699298224
- Susan Caul, O.D.San Carlos, CA 940701013240878
- Nary Chum, O.D.San Carlos, CA 940701104055631
- Veronica Hom, ODSan Carlos, CA 940701396442653
- Carole Hong, ODSan Carlos, CA 940701982685509
- Kristi Jensen, O.D.San Carlos, CA 940701508803636
- Julie Kim, ODSan Carlos, CA 940701598746828
- Amy LeeSan Carlos, CA 940701861222762
Common questions
What is Primrose Wong, OD's NPI number?
Primrose Wong, OD's National Provider Identifier (NPI) is 1720176423, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Primrose Wong, OD located?
The NPPES record lists a practice address at 301 Industrial RD, San Carlos, CA, 94070. Phone: (650) 596-4220. Providers update this record themselves, so call before visiting.
How can I verify Primrose Wong, OD's license?
NPPES lists California license number OPT10006T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Primrose Wong, OD prescribe under Medicare Part D?
In 2024, Primrose Wong, OD had 67 Medicare Part D claims for 51 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.