Phyllis Won, PA-C
Physician Assistant · San Rafael, CA
Phyllis Won, PA-C is a physician assistant with a practice address in San Rafael, California, and NPI 1023788759, issued on Sep 14, 2021. Check the license (California PA62195, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Phyllis Won
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA62195 CA
Self-reported in NPPES; status is on the state search - Practice location
- 99 Montecillo RD, San Rafael, CA 94903
- Phone
- (415) 444-2000
- Enumerated
- Sep 14, 2021
- Record last updated
- May 2, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 99 Montecillo RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Phyllis Won in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA62195Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average physician assistant in 2024
85 Medicare Part D claims for 44 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel14 claims
- Pantoprazole Sodium14 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.
Phyllis Won among 14,451 physician assistant records in California
Phyllis Won, 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 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2023 · 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).
44 physician assistant records list a practice address in San Rafael
They are 44 of the 3,159 NPPES records with a practice address in San Rafael, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Rafael → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Danielle Balestra, PASan Rafael, CA 949031780308890
- Birgitta BellaSan Rafael, CA 949031639368210
- Jessica Capretto, PA-CSan Rafael, CA 949031407135957
- Mason Donnell, PHD, PASan Rafael, CA 949031891417390
- Noor KananSan Rafael, CA 949031760268247
- Sheila Moin, PA-CSan Rafael, CA 949031760832521
- Miranda NguyenSan Rafael, CA 949031003421975
- Ekta Patel, PA-CSan Rafael, CA 949031811502545
Common questions
What is Phyllis Won, PA-C's NPI number?
Phyllis Won, PA-C's National Provider Identifier (NPI) is 1023788759, issued on Sep 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Phyllis Won, PA-C located?
The NPPES record lists a practice address at 99 Montecillo RD, San Rafael, CA, 94903. Phone: (415) 444-2000. Providers update this record themselves, so call before visiting.
How can I verify Phyllis Won, PA-C's license?
NPPES lists California license number PA62195, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Phyllis Won, PA-C prescribe under Medicare Part D?
In 2024, Phyllis Won, PA-C had 85 Medicare Part D claims for 44 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.