Austin Joe Willis
Physician Assistant · Vallejo, CA
Austin Joe Willis is a physician assistant with a practice address in Vallejo, California, and NPI 1023682986, issued on May 16, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Austin Joe Willis
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1310 Club Dr, Vallejo, CA 94592
- Phone
- (707) 638-5809
- Enumerated
- May 16, 2021
- Record last updated
- May 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221011001554); accepts Medicare assignment
- Medical or professional school
- Touro Un College Of Osteopathic Medicine, Vallejo, 2022
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1310 Club Dr
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Verify Austin Joe Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average physician assistant in 2024
11 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 85.7 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).
Bills Medicare through one group practice
- Torrance Health Association IncRedondo Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Austin Joe Willis among 14,451 physician assistant records in California
Austin Joe Willis 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 fileYes · 50% of these records are
- Graduated2022 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 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).
215 physician assistant records list a practice address in Vallejo
They are 215 of the 2,836 NPPES records with a practice address in Vallejo, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Vallejo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Tramanh BuiVallejo, CA 945921982249314
- Janessa Rose CaballeroVallejo, CA 945921225632979
- Sabrina ChangVallejo, CA 945921497378970
- Alexander Flood-BryzmanVallejo, CA 945921194210351
- Doreen Frempong, PA-CVallejo, CA 945921487111258
- Helen HuangVallejo, CA 945921730753815
- Paul KimVallejo, CA 945921154995280
- Monique KoechlinVallejo, CA 945921609440890
Common questions
What is Austin Joe Willis's NPI number?
Austin Joe Willis's National Provider Identifier (NPI) is 1023682986, issued on May 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Austin Joe Willis located?
The NPPES record lists a practice address at 1310 Club Dr, Vallejo, CA, 94592. Phone: (707) 638-5809. Providers update this record themselves, so call before visiting.
How can I verify Austin Joe Willis's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Austin Joe Willis prescribe under Medicare Part D?
In 2024, Austin Joe Willis had 11 Medicare Part D claims; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Austin Joe Willis's MIPS final score?
The 2023 MIPS final score is 85.7 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.