NPPES file of Aug 9, 2026

Chelsea Wong, NP

Nurse Practitioner · San Francisco, CA

Chelsea Wong, NP is a nurse practitioner with a practice address in San Francisco, California, and NPI 1407313513, issued on Feb 25, 2019. Check the license (California 95009910, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407313513
Name
Chelsea Wong
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95009910 CA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave Ste M1286, San Francisco, CA 94143
Phone
(415) 514-2766
Enumerated
Feb 25, 2019
Record last updated
Feb 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190404002148); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Chelsea Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95009910
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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97% fewer Medicare Part D claims than the average nurse practitioner in 2024

32 Medicare Part D claims for 13 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 78% of claims.

  1. Chelsea Wong32
  2. Specialty average1,109

Most prescribed

  1. Eliquis18 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.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Ucsf Medical Group Business ServicesSan Francisco, CA
  2. 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).

Chelsea Wong among 8,223 nurse practitioner records in California

Chelsea Wong, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 61% of them.

  • NPI issued2019 · 61% of these records are older, 34% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2018 · median 2017 among the 3,425 with a school on file
  • Record last updated2019 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Rosalie Bravo, RN, NPSan Francisco, CA 941431740224690
  2. Mitchel Erickson, NPSan Francisco, CA 941431851330260
  3. Caroline Farless, NPSan Francisco, CA 941431720034960
  4. Colleen Irwin, NPSan Francisco, CA 941431316984362
  5. Susan Janson, DNSCSan Francisco, CA 941431437197597
  6. Peter Knott, RN, MSNSan Francisco, CA 941431295774602
  7. Geoffrey Latham, RN, NPSan Francisco, CA 941431356395842
  8. Sarah Maclachlan, FNPSan Francisco, CA 941431972540946

Common questions

What is Chelsea Wong, NP's NPI number?

Chelsea Wong, NP's National Provider Identifier (NPI) is 1407313513, issued on Feb 25, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Wong, NP located?

The NPPES record lists a practice address at 505 Parnassus Ave Ste M1286, San Francisco, CA, 94143. Phone: (415) 514-2766. Providers update this record themselves, so call before visiting.

How can I verify Chelsea Wong, NP's license?

NPPES lists California license number 95009910, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Chelsea Wong, NP prescribe under Medicare Part D?

In 2024, Chelsea Wong, NP had 32 Medicare Part D claims for 13 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Chelsea Wong, NP'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.