NPI registry status
Active
2026 NPPES data Physician Assistant NPI 1023682986
Verify on CMS → Austin Willis
Physician Assistant in Vallejo, California.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 150,974 in Physician Assistant, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
55
Medicare Part D claims · 37 beneficiaries · Physician Assistant avg: 790
MIPS score
85.7/100
▲ 2 pts above national avg 83.5 · Above neutral
What the federal data shows
Austin Willis reported a CMS MIPS final score of 85.7/100 - above the 83.5 national average - and filed 55 Medicare Part D claims in 2023.
- 85.7/100
- MIPS score · +2 vs avg
- 55
- Part D claims, 2023
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Austin Willis's MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
86 46th percentile higher than 46% of 454,083 measured providers
Each bar is a band; taller bars hold more measured providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Austin Willis sits
This provider among physician assistant peers
Across the 26,497 physician assistant providers who report both Medicare Part D prescribing and a MIPS quality score, Austin Willis writes more Part D claims than 15% of them and scores higher on MIPS quality than 48% - placing this provider in the lower-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Part D claim volume vs MIPS quality, by specialty percentile
Each dot is one physician assistant peer from a representative sample of 60; the gold marker is Austin Willis. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
What does the federal data show about Austin Willis?
High performer (top quartile)Primary specialty
Physician Assistant
Medicare Part D claims
55 93% vs specialty avg
MIPS final score
85.7/100 2.2 pts vs avg
Specialty distribution in California
How Physician Assistant compares to other specialties among California providers
Medicare quality performance, MIPS
Austin Willis's 2023 MIPS final score plotted against the Physician Assistant national average
- MIPS Final Score
- 85.7/100
- vs 83.5 national avg · 2023 performance year
MIPS final score (Physician Assistant) - 85.7/100 vs national avg 83.5
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Austin Willis appears in the CMS NPPES registry as a Physician Assistant provider at 1310 CLUB DR, Vallejo, CA, 94592, with a listed phone of (707) 638-5809. NPI 1023682986 was issued on 05/16/2021.
Medicare Part D records for calendar year 2023 show 55 prescription claims written by this provider, covering 37 Medicare beneficiaries and totaling roughly $551 in drug spend. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 85.7/100 for the 2023 performance year (Quality 65.8, Cost 59.4), compared with the 83.5 average among clinicians with a measured score.
Physician Assistant is a high-volume specialty nationwide, with 150,974 enrolled providers across 56 states and an average of 790 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1023682986 |
|---|---|
| Specialty | Physician Assistant |
| Gender | Male |
| NPI Issued | 05/16/2021 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
85.7347
Final Score
Measured-score avg: 83.5
65.761
Quality
59.3913
Cost
100
Promoting Interoperability
Reporting: Group practice
Hospital and facility affiliations
Facilities where Austin Willis bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Torrance Health Association Inc
Redondo Beach, CA
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
License & disciplinary context - California MBC 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 - they are NOT specific to Austin Willis. To verify Austin Willis's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases
MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
55
Total Claims
$551
Total Drug Cost
37
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 55
- Total Day Supply
- 592
- Generic Drug Cost
- $541
- Antibiotic Claims
- 27
Patient Demographics
- Average Patient Age
- 64.3 years
- Avg HCC Risk Score
- 1.52
- Gender Split
- 49% female / 51% male
- Age Distribution
- <65: 12, 65-74: 19, 75-84: N/A, 85+: N/A
Physician Assistant Overview
How Austin Willis fits within the Physician Assistant landscape nationally.
150,974
Physician Assistant Providers in US
56
States with Physician Assistant
790
Avg Claims per Provider
Austin Willis's 55 claims are below the specialty average of 790.
Nearby Physician Assistant Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Willis.
Dr. Marcia -Galbraith
PA
Stockton, CA
Dr. Danny Abad
PA
Orange, CA
Dr. Lea Dominique Abadies
PA
Tustin, CA
Dr. Rea Elizabeth Abaniel
P.A.-C
Seal Beach, CA
Dr. Ramina Abbasi
PA-C
Signal Hill, CA
Compare Physician Assistant nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the California medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Physician Assistant peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
What is Austin Willis's specialty? ▼
Austin Willis specializes in Physician Assistant and practices in Vallejo, California.
How much does Austin Willis prescribe under Medicare Part D? ▼
In 2023, Austin Willis wrote 55 Medicare Part D claims totaling $551 in drug costs for 37 beneficiaries.
What is Austin Willis's Medicare quality score? ▼
Austin Willis has a CMS MIPS Final Score of 85.7/100 (Quality: 65.8, Cost: 59.4). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Austin Willis located? ▼
Austin Willis is located at 1310 CLUB DR, Vallejo, CA, 94592. Phone: (707) 638-5809.
What is Austin Willis's NPI number? ▼
Austin Willis's National Provider Identifier (NPI) is 1023682986, issued on 05/16/2021.
How many Physician Assistant providers are there in the US? ▼
There are 150,974 Physician Assistant providers across 56 states in the US. The average Physician Assistant provider writes 790 Medicare Part D claims per year.
Does Austin Willis accept Medicare? ▼
Austin Willis appears in CMS Medicare data with 55 Part D claims and 37 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Austin Willis's credentials? ▼
Austin Willis's NPI is 1023682986. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.