Nancy Sze Wan Wong, RN, FNP
Family Nurse Practitioner · San Francisco, CA
Nancy Sze Wan Wong, RN, FNP is a family nurse practitioner with a practice address in San Francisco, California, and NPI 1417246489, issued on Mar 30, 2011. Check the license (California NP20758, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Sze Wan Wong
- Credential
- RN, FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- NP20758 CA
751299 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave FL 4, San Francisco, CA 94143
- Phone
- (415) 353-2421
- Enumerated
- Mar 30, 2011
- Record last updated
- Apr 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20151103002574); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 400 Parnassus Ave FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nancy Sze Wan 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 NP20758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average family nurse practitioner in 2024
546 Medicare Part D claims for 129 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 49 claims were for opioids.
Most prescribed
- Acyclovir95 claims
- Atovaquone30 claims
- Gabapentin26 claims
- Potassium Chloride21 claims
- Oxycodone Hcl18 claims
- Lorazepam16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 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).
Industry payments in 2024: $1,326.57
5 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 99,489 providers of this specialty with any payment received $650.95 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
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Sze Wan Wong among 16,966 family nurse practitioner records in California
Nancy Sze Wan Wong, RN, FNP is one of 16,966 family nurse practitioner 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 2011, is newer than 19% of them.
- NPI issued2011 · 19% of these records are older, 79% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2011 · median 2019 among the 6,793 with a school on file
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
662 family nurse practitioner records list a practice address in San Francisco
They are 662 of the 38,143 NPPES records with a practice address in San Francisco, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in San Francisco → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cynthia Armour, NPSan Francisco, CA 941431811023435
- Wanda Boyer, NPSan Francisco, CA 941431588655229
- Kathleen Brumley, FNPSan Francisco, CA 941431871612341
- Jennifer Cademartori, NPSan Francisco, CA 941431770504300
- Lisa Digiorgio-Haag, NPSan Francisco, CA 941431760662928
- Suzanne Eder, FNPSan Francisco, CA 941431801838933
- Fabienne Hollinger, RN, MSN, FNP-CSan Francisco, CA 941431336450956
- Dereck Ko, M.S.N.San Francisco, CA 941431861411324
Common questions
What is Nancy Sze Wan Wong, RN, FNP's NPI number?
Nancy Sze Wan Wong, RN, FNP's National Provider Identifier (NPI) is 1417246489, issued on Mar 30, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Sze Wan Wong, RN, FNP located?
The NPPES record lists a practice address at 400 Parnassus Ave FL 4, San Francisco, CA, 94143. Phone: (415) 353-2421. Providers update this record themselves, so call before visiting.
How can I verify Nancy Sze Wan Wong, RN, FNP's license?
NPPES lists California license number NP20758, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Sze Wan Wong, RN, FNP prescribe under Medicare Part D?
In 2024, Nancy Sze Wan Wong, RN, FNP had 546 Medicare Part D claims for 129 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Nancy Sze Wan Wong, RN, FNP's MIPS final score?
The 2023 MIPS final score is 74.5 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.