Catherine Day Lewis, P.A.
Physician Assistant · Woodland, CA
Catherine Day Lewis, P.A. is a physician assistant with a practice address in Woodland, California, and NPI 1720124423, issued on Jan 29, 2007. Check the license (California 11994, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Day Lewis
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 11994 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2081 Bronze Star Dr, Woodland, CA 95776
- Phone
- (530) 668-2600
- Enumerated
- Jan 29, 2007
- Record last updated
- Feb 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (530) 661-1081
- Medicaid ID
- 010162 CA
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2081 Bronze Star Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mir Samim Ansary, PA-CPhysician Assistant1548417801
- Luke Ardill, PA-CPhysician Assistant1821350919
- Daniel Bernet, DOFamily Medicine Physician1548828056
- Kalen Bonnett-Phillips, PA-CPhysician Assistant1295345064
- Rajvir Brar, MDFamily Medicine Physician1689252082
- Lucy Douglass, MDFamily Medicine Physician1912940594
Verify Catherine Day Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11994Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average physician assistant in 2024
654 Medicare Part D claims for 194 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium41 claims
- Levothyroxine Sodium31 claims
- Lisinopril31 claims
- Omeprazole28 claims
- Losartan Potassium26 claims
- Spironolactone21 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 MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Catherine Day Lewis among 14,451 physician assistant records in California
Catherine Day Lewis, P.A. 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2019 · 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).
36 physician assistant records list a practice address in Woodland
They are 36 of the 1,272 NPPES records with a practice address in Woodland, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Woodland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mir Samim Ansary, PA-CWoodland, CA 957761548417801
- Luke Ardill, PA-CWoodland, CA 957761821350919
- Kalen Bonnett-Phillips, PA-CWoodland, CA 957761295345064
- Julius Gomez, PA-CWoodland, CA 957761316618036
- Janet Hill, PA-CWoodland, CA 957761376958173
- Amy Lemes, PAWoodland, CA 957761154606192
- Lauran Neubuerger, PAWoodland, CA 957761003499799
- Mark Owens, PAWoodland, CA 957761558674531
Common questions
What is Catherine Day Lewis, P.A.'s NPI number?
Catherine Day Lewis, P.A.'s National Provider Identifier (NPI) is 1720124423, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Day Lewis, P.A. located?
The NPPES record lists a practice address at 2081 Bronze Star Dr, Woodland, CA, 95776. Phone: (530) 668-2600. Providers update this record themselves, so call before visiting.
How can I verify Catherine Day Lewis, P.A.'s license?
NPPES lists California license number 11994, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Day Lewis, P.A. prescribe under Medicare Part D?
In 2024, Catherine Day Lewis, P.A. had 654 Medicare Part D claims for 194 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Catherine Day Lewis, P.A.'s MIPS final score?
The 2023 MIPS final score is 96.5 of 100. 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.