Catherine Louise Weirshauser, PAC
Surgical Physician Assistant · San Jose, CA
Catherine Louise Weirshauser, PAC is a surgical physician assistant with a practice address in San Jose, California, and NPI 1669567475, issued on Oct 4, 2006. Check the license (California PA13516, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Louise Weirshauser
- Credential
- PAC
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA13516 CA
Self-reported in NPPES; status is on the state search - Practice location
- 751 S Bascom Ave, San Jose, CA 95128
- Phone
- (408) 885-6191
- Enumerated
- Oct 4, 2006
- Record last updated
- Sep 12, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- PA13516 CA
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 751 S Bascom Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Louise Weirshauser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA13516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average surgical physician assistant in 2024
41 Medicare Part D claims, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D.
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 Louise Weirshauser among 1,075 surgical physician assistant records in California
Catherine Louise Weirshauser, PAC is one of 1,075 surgical physician assistant records with a practice address in California. 79% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 74% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in San Jose → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Neil Adler, PASan Jose, CA 951281447223276
- Julie Cragholm, PA-CSan Jose, CA 951281356582084
- Kelli Kawashima, PASan Jose, CA 951281902860901
- Michelle Offenberg, P.A.San Jose, CA 951281942755418
- David Smith, PACSan Jose, CA 951281558467100
- Harland Wong, OPACSan Jose, CA 951281831219344
- Avriel Alegre, PA-CSan Jose, CA 951241548046360
- Gary Brown, PA-CSan Jose, CA 951241639220825
Common questions
What is Catherine Louise Weirshauser, PAC's NPI number?
Catherine Louise Weirshauser, PAC's National Provider Identifier (NPI) is 1669567475, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Louise Weirshauser, PAC located?
The NPPES record lists a practice address at 751 S Bascom Ave, San Jose, CA, 95128. Phone: (408) 885-6191. Providers update this record themselves, so call before visiting.
How can I verify Catherine Louise Weirshauser, PAC's license?
NPPES lists California license number PA13516, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Louise Weirshauser, PAC prescribe under Medicare Part D?
In 2024, Catherine Louise Weirshauser, PAC had 41 Medicare Part D claims; the average among surgical physician assistant prescribers was 304. 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.