Kate Dirksen, PA-C
Physician Assistant · Fremont, CA
Kate Dirksen, PA-C is a physician assistant with a practice address in Fremont, California, and NPI 1346535507, issued on Jun 16, 2011. Check the license (California 21594, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kate Dirksen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 21594 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39141 Civic Center Dr, Fremont, CA 94538
- Phone
- (510) 248-1400
- Enumerated
- Jun 16, 2011
- Entity
- Type 1 · individual
Also registered at 39141 Civic Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Prasad KilaruPlastic Surgery Physician1689674665
Verify Kate Dirksen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
173 Medicare Part D claims for 78 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 52 claims were for opioids.
Most prescribed
- Ibuprofen37 claims
- Cephalexin24 claims
- Oxycodone Hcl21 claims
- Ondansetron Hcl19 claims
- Hydrocodone-Acetaminophen15 claims
- Oxycodone-Acetaminophen14 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.
Bills Medicare through one group practice
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
78 physician assistant records list a practice address in Fremont
They are 78 of the 4,749 NPPES records with a practice address in Fremont, and 14,451 physician assistant records in California.
All 78 in Fremont → All 14,451 in California → Every provider in Fremont →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Terri Abbott, P.A.La Jolla, CA1811165566
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
Common questions
What is Kate Dirksen, PA-C's NPI number?
Kate Dirksen, PA-C's National Provider Identifier (NPI) is 1346535507, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Kate Dirksen, PA-C located?
The NPPES record lists a practice address at 39141 Civic Center Dr, Fremont, CA, 94538. Phone: (510) 248-1400. Providers update this record themselves, so call before visiting.
How can I verify Kate Dirksen, PA-C's license?
NPPES lists California license number 21594, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kate Dirksen, PA-C prescribe under Medicare Part D?
In 2024, Kate Dirksen, PA-C had 173 Medicare Part D claims for 78 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.