Grace Wei-Ting Chang
Physician Assistant · San Francisco, CA
Grace Wei-Ting Chang is a physician assistant with a practice address in San Francisco, California, and NPI 1508424805, issued on May 31, 2019. Check the license (California PA58793, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grace Wei-Ting Chang
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA58793 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Webster St Ste 516, San Francisco, CA 94115
- Phone
- (415) 600-2402
- Enumerated
- May 31, 2019
- Record last updated
- Mar 9, 2022
- Fax
- (415) 369-1292
- Medicare enrollment
- Enrolled (PECOS I20210709002139); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2100 Webster St Ste 516
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Archibald, MDInternal Medicine Physician1801356746
- Siu-Wei Huang, M.D.Internal Medicine Physician1427584143
- Silvia McCandlish, MDHospice and Palliative Medicine (Internal Medicine) Physician1912325135
- Sonali Waland, NPFamily Nurse Practitioner1982161584
- Ingeborg Zoppoth, M.D.Internal Medicine Physician1780021766
Verify Grace Wei-Ting 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 PA58793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average physician assistant in 2024
478 Medicare Part D claims for 181 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Eliquis108 claims
- Metoprolol Succinate61 claims
- Pantoprazole Sodium50 claims
- Xarelto36 claims
- Dofetilide25 claims
- Flecainide Acetate25 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
- Sutter Bay Medical FoundationSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Wei-Ting Chang among 14,451 physician assistant records in California
Grace Wei-Ting Chang 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 2019, is newer than 56% of them.
- NPI issued2019 · 56% of these records are older, 38% 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 updated2022 · 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
- Melody Berman, PACSan Francisco, CA 941151538206875
- Julianne Blythe, PA-CSan Francisco, CA 941151912058017
- Sandra Hansen, P.A-CSan Francisco, CA 941151104871334
- Laura Kirk, PA-CSan Francisco, CA 941151003814989
- Stephanie Messina, PASan Francisco, CA 941151912202987
- Brent Price, P.A.-C.San Francisco, CA 941151548308752
- Elizabeth Price, PASan Francisco, CA 941151669687687
- James Row, NP,PA-CSan Francisco, CA 941151760565691
Common questions
What is Grace Wei-Ting Chang's NPI number?
Grace Wei-Ting Chang's National Provider Identifier (NPI) is 1508424805, issued on May 31, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Grace Wei-Ting Chang located?
The NPPES record lists a practice address at 2100 Webster St Ste 516, San Francisco, CA, 94115. Phone: (415) 600-2402. Providers update this record themselves, so call before visiting.
How can I verify Grace Wei-Ting Chang's license?
NPPES lists California license number PA58793, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Grace Wei-Ting Chang prescribe under Medicare Part D?
In 2024, Grace Wei-Ting Chang had 478 Medicare Part D claims for 181 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.