Sophia Wong Sun, O.D.
Optometrist · Pacifica, CA
Sophia Wong Sun, O.D. is an optometrist with a practice address in Pacifica, California, and NPI 1093291452, issued on Jul 18, 2018. Check the license (California 33991TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sophia Wong Sun
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 33991TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 2014 Palmetto Ave Ste B, Pacifica, CA 94044
- Phone
- (650) 359-2231
- Enumerated
- Jul 18, 2018
- Record last updated
- Feb 13, 2025
- Fax
- (650) 359-2305
- Medicare enrollment
- Enrolled (PECOS I20180827003770); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2018
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Sophia Wong Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33991TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average optometrist in 2024
942 Medicare Part D claims for 273 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Latanoprost230 claims
- Timolol Maleate84 claims
- Prednisolone Acetate82 claims
- Moxifloxacin55 claims
- Dorzolamide-Timolol44 claims
- Cyclosporine40 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: $665.09
18 payments; by number, the most common kind was food and beverage; the largest payer was Oyster Point Pharma, 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.
Sophia Wong Sun among 8,308 optometrist records in California
Sophia Wong Sun, O.D. 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 fileYes · 43% of these records are
- Graduated2018 · median 2008 among the 3,573 with a school on file
- Record last updated2025 · 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).
5 optometrist records list a practice address in Pacifica
They are 5 of the 273 NPPES records with a practice address in Pacifica, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Pacifica → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Susan Hsu, ODPacifica, CA 940441164403556
- Laimeng LeePacifica, CA 940441508257247
- Jennifer Quirante, ODPacifica, CA 940441316917735
- Dan Thy Tran, ODPacifica, CA 940441629797816
- Nina Kligman, O.D,Mountain View, CA 940431275867194
- Stephanie Kwan, O.D.Mountain View, CA 940431942357991
- Mai QuintanaMountain View, CA 940431871535617
- Allison Zaum, O.D.Mountain View, CA 940431770563553
Common questions
What is Sophia Wong Sun, O.D.'s NPI number?
Sophia Wong Sun, O.D.'s National Provider Identifier (NPI) is 1093291452, issued on Jul 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sophia Wong Sun, O.D. located?
The NPPES record lists a practice address at 2014 Palmetto Ave Ste B, Pacifica, CA, 94044. Phone: (650) 359-2231. Providers update this record themselves, so call before visiting.
How can I verify Sophia Wong Sun, O.D.'s license?
NPPES lists California license number 33991TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sophia Wong Sun, O.D. prescribe under Medicare Part D?
In 2024, Sophia Wong Sun, O.D. had 942 Medicare Part D claims for 273 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.