Catherine S. Schwanz, P.A.
Physician Assistant · Modesto, CA
Catherine S. Schwanz, P.A. is a physician assistant with a practice address in Modesto, California, and NPI 1932134517, issued on Jul 11, 2006. Check the license (California PA18419, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine S. Schwanz
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA18419 CA
Self-reported in NPPES; status is on the state search - Practice location
- 600 Coffee RD, Modesto, CA 95355
- Phone
- (209) 521-6097
- Enumerated
- Jul 11, 2006
- Record last updated
- Aug 31, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 600 Coffee RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine S. Schwanz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average physician assistant in 2024
418 Medicare Part D claims for 103 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Lisinopril46 claims
- Hydralazine Hcl18 claims
- Pregabalin15 claims
- Hydrocodone-Acetaminophen12 claims
- Losartan Potassium12 claims
- Clopidogrel11 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.
Catherine S. Schwanz among 14,451 physician assistant records in California
Catherine S. Schwanz, 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2012 · 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).
122 physician assistant records list a practice address in Modesto
They are 122 of the 9,262 NPPES records with a practice address in Modesto, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Modesto → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kevin Bixel, PAModesto, CA 953551063403376
- John Cercado, PAModesto, CA 953551497940407
- Stephen Fall, PA-CModesto, CA 953551760594154
- Jason Gonzalez, PA-CModesto, CA 953551447317201
- Shelley Lung, PAModesto, CA 953551790818557
- Mark Madsen, PAModesto, CA 953551407805757
- Monica Marple, P.A.-CModesto, CA 953551265531297
- Meridith McCurdy-Yeoman, PACModesto, CA 953551821110586
Common questions
What is Catherine S. Schwanz, P.A.'s NPI number?
Catherine S. Schwanz, P.A.'s National Provider Identifier (NPI) is 1932134517, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine S. Schwanz, P.A. located?
The NPPES record lists a practice address at 600 Coffee RD, Modesto, CA, 95355. Phone: (209) 521-6097. Providers update this record themselves, so call before visiting.
How can I verify Catherine S. Schwanz, P.A.'s license?
NPPES lists California license number PA18419, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine S. Schwanz, P.A. prescribe under Medicare Part D?
In 2024, Catherine S. Schwanz, P.A. had 418 Medicare Part D claims for 103 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.