Katharina Abernethy, PA, PTA
Physician Assistant · Windsor, CA
Katharina Abernethy, PA, PTA is a physician assistant with a practice address in Windsor, California, and NPI 1518039536, issued on Nov 14, 2006. Check the license (California 51580, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katharina Abernethy
- Credential
- PA, PTA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 51580 CA
AT 8069 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6580 Hembree LN Ste 270, Windsor, CA 95492
- Phone
- (707) 838-2044
- Enumerated
- Nov 14, 2006
- Record last updated
- May 26, 2022
- Medicare enrollment
- Enrolled (PECOS I20141201001490); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 6580 Hembree LN Ste 270
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryan Eberle, P.A.Physician Assistant1356638332
- Elizabeth Flower, M.D.Family Medicine Physician1538173141
- Tysen Norton, PAPhysician Assistant1275869497
Verify Katharina Abernethy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 51580Check 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% more Medicare Part D claims than the average physician assistant in 2024
1,004 Medicare Part D claims for 750 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Gavilyte-C590 claims
- Pantoprazole Sodium95 claims
- Lubiprostone68 claims
- Sucralfate38 claims
- Gavilyte-G37 claims
- Buspirone Hcl20 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 2 group practices
- Permanente Medical Group IncStockton, CA
- Providence Medical FoundationAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 physician assistant records list a practice address in Windsor
They are 5 of the 184 NPPES records with a practice address in Windsor, and 14,451 physician assistant records in California.
All 5 in Windsor → All 14,451 in California → Every provider in Windsor →
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 Katharina Abernethy, PA, PTA's NPI number?
Katharina Abernethy, PA, PTA's National Provider Identifier (NPI) is 1518039536, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katharina Abernethy, PA, PTA located?
The NPPES record lists a practice address at 6580 Hembree LN Ste 270, Windsor, CA, 95492. Phone: (707) 838-2044. Providers update this record themselves, so call before visiting.
How can I verify Katharina Abernethy, PA, PTA's license?
NPPES lists California license number 51580, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katharina Abernethy, PA, PTA prescribe under Medicare Part D?
In 2024, Katharina Abernethy, PA, PTA had 1,004 Medicare Part D claims for 750 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.