Yiu Sing Eugene Wong, PA-C
Physician Assistant · San Francisco, CA
Yiu Sing Eugene Wong, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1912535451, issued on Mar 30, 2020. Check the license (California 58719, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yiu Sing Eugene Wong
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 58719 CA
Self-reported in NPPES; status is on the state search - Practice location
- 199 W Portal Ave, San Francisco, CA 94127
- Phone
- (415) 821-8798
- Enumerated
- Mar 30, 2020
- Record last updated
- Nov 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (415) 242-6244
- Medicare enrollment
- Enrolled (PECOS I20211028001978); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 199 W Portal Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Evan Baily, PA-CPhysician Assistant1376908145
- Jordan Barton, PA-CPhysician Assistant1538642459
- Brandy Blau, NPFamily Nurse Practitioner1619290483
- Michael Britton, FNP-CFamily Nurse Practitioner1639800527
- Kathleen Lew, PA-CPhysician Assistant1992010110
- Katie Liang, NPFamily Nurse Practitioner1821519810
Verify Yiu Sing Eugene 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 58719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average physician assistant in 2024
116 Medicare Part D claims for 88 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 12 claims were for opioids.
Most prescribed
- Diclofenac Sodium19 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.
Bills Medicare through one group practice
- Exer Medical CorporationLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yiu Sing Eugene Wong among 14,451 physician assistant records in California
Yiu Sing Eugene Wong, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Evan Baily, PA-CSan Francisco, CA 941271376908145
- Jordan Barton, PA-CSan Francisco, CA 941271538642459
- Kathleen Lew, PA-CSan Francisco, CA 941271992010110
- Julian Santiago, PA-CSan Francisco, CA 941271356713028
- Jennifer White, PA-CSan Francisco, CA 941271477787604
- Kevin Cho, PA-CSan Francisco, CA 941281558090845
- Christopher AlveySan Francisco, CA 941231851842009
- Joel Depaoli, PASan Francisco, CA 941231316391642
Common questions
What is Yiu Sing Eugene Wong, PA-C's NPI number?
Yiu Sing Eugene Wong, PA-C's National Provider Identifier (NPI) is 1912535451, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Yiu Sing Eugene Wong, PA-C located?
The NPPES record lists a practice address at 199 W Portal Ave, San Francisco, CA, 94127. Phone: (415) 821-8798. Providers update this record themselves, so call before visiting.
How can I verify Yiu Sing Eugene Wong, PA-C's license?
NPPES lists California license number 58719, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Yiu Sing Eugene Wong, PA-C prescribe under Medicare Part D?
In 2024, Yiu Sing Eugene Wong, PA-C had 116 Medicare Part D claims for 88 beneficiaries; the average among physician assistant prescribers was 830. 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.