Kay C. Sato, PA-C
Physician Assistant · Watsonville, CA
Kay C. Sato, PA-C is a physician assistant with a practice address in Watsonville, California, and NPI 1841941234, issued on Jan 17, 2022. Check the license (California PA65104, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kay C. Sato
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA65104 CA
PA211148 OR
Self-reported in NPPES; status is on the state search - Practice location
- 75 Nielson St, Watsonville, CA 95076
- Phone
- (831) 724-4741
- Enumerated
- Jan 17, 2022
- Record last updated
- Mar 31, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 75 Nielson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kay C. Sato in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA65104Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average physician assistant in 2024
255 Medicare Part D claims for 180 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Cephalexin33 claims
- Ondansetron Odt18 claims
- Amoxicillin-Clavulanate Potass16 claims
- Doxycycline Hyclate16 claims
- Oxycodone Hcl12 claims
- Cyclobenzaprine Hcl11 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): 99.8 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).
Kay C. Sato among 14,451 physician assistant records in California
Kay C. Sato, 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 2022, is newer than 73% of them.
- NPI issued2022 · 73% of these records are older, 20% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2025 · 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).
28 physician assistant records list a practice address in Watsonville
They are 28 of the 1,044 NPPES records with a practice address in Watsonville, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Watsonville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Caitlin Casey, PA-CWatsonville, CA 950761720436470
- Nancy Elliott, PAWatsonville, CA 950761205837838
- Veronica Galvan, PA-CWatsonville, CA 950761487963674
- Jennifer Greening, PAWatsonville, CA 950761700827342
- Laurel Harlamoff, PA-CWatsonville, CA 950761205852555
- Jason Johnston, PAWatsonville, CA 950761598900599
- Susan Lasko, PA-CWatsonville, CA 950761326138488
- Elizabeth Lykins, PA-CWatsonville, CA 950761386683845
Common questions
What is Kay C. Sato, PA-C's NPI number?
Kay C. Sato, PA-C's National Provider Identifier (NPI) is 1841941234, issued on Jan 17, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Kay C. Sato, PA-C located?
The NPPES record lists a practice address at 75 Nielson St, Watsonville, CA, 95076. Phone: (831) 724-4741. Providers update this record themselves, so call before visiting.
How can I verify Kay C. Sato, PA-C's license?
NPPES lists California license number PA65104, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kay C. Sato, PA-C prescribe under Medicare Part D?
In 2024, Kay C. Sato, PA-C had 255 Medicare Part D claims for 180 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Kay C. Sato, PA-C's MIPS final score?
The 2023 MIPS final score is 99.8 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.