Josephine Sara Chang
Nurse Practitioner · San Francisco, CA
Josephine Sara Chang is a nurse practitioner with a practice address in San Francisco, California, and NPI 1225606254, issued on Jun 15, 2021. Check the license (California 95021676, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Josephine Sara Chang
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 95021676 CA
95062617 CA
Self-reported in NPPES; status is on the state search - Practice location
- 601 Clement St, San Francisco, CA 94118
- Phone
- (415) 668-5955
- Enumerated
- Jun 15, 2021
- Record last updated
- Jan 28, 2026
- Medicare enrollment
- Enrolled (PECOS I20230213000090); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 601 Clement St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wilfred Choi, PSY.D.Psychologist1437626884
- Annalee ColteauxStudent in an Organized Health Care Education/Training Program1194419564
- Lauren Ehrlich, PMHNPPsychiatric/Mental Health Nurse Practitioner1215323035
Verify Josephine Sara Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95021676Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average nurse practitioner in 2024
878 Medicare Part D claims for 60 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Aripiprazole104 claims
- Risperidone81 claims
- Trazodone Hcl71 claims
- Olanzapine65 claims
- Duloxetine Hcl54 claims
- Escitalopram Oxalate54 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
- Richmond Area Multi-Services, Inc.San Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Josephine Sara Chang among 8,223 nurse practitioner records in California
Josephine Sara Chang 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 2021, is newer than 71% of them.
- NPI issued2021 · 71% of these records are older, 23% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2022 · median 2017 among the 3,425 with a school on file
- Record last updated2026 · 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.
All 8,223 in California → Every provider in San Francisco → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Sylvia Balding, NPSan Francisco, CA 941181982894937
- Giscela Delventhal-Wong, NPSan Fracisco, CA 941181659540185
- Karen HoSan Francisco, CA 941181699325175
- Christine Kim, N.P.San Francisco, CA 941181982908794
- Andrea Leavy-Butler, NPSan Francisco, CA 941181336476092
- Kwok Lun Lee, MS, RN, CPNP-PC, PHNSan Francisco, CA 941181144816588
- Kelly Meaux, NPSan Francisco, CA 941181689903023
- Janet MichelsonSan Francisco, CA 941181073721239
Common questions
What is Josephine Sara Chang's NPI number?
Josephine Sara Chang's National Provider Identifier (NPI) is 1225606254, issued on Jun 15, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Josephine Sara Chang located?
The NPPES record lists a practice address at 601 Clement St, San Francisco, CA, 94118. Phone: (415) 668-5955. Providers update this record themselves, so call before visiting.
How can I verify Josephine Sara Chang's license?
NPPES lists California license number 95021676, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Josephine Sara Chang prescribe under Medicare Part D?
In 2024, Josephine Sara Chang had 878 Medicare Part D claims for 60 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.