Registry data as of Aug 27, 2026

Karen Trabilcy, PA-C

Physician Assistant · Fullerton, CA

Karen Trabilcy, PA-C is a physician assistant with a practice address in Fullerton, California, and NPI 1982616868, issued on Aug 12, 2006. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1982616868
Name
Karen Trabilcy
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
101 E Valencia Mesa Drive, Fullerton, CA 92835
Phone
(714) 626-8500
Enumerated
Aug 12, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Karen Trabilcy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

33% fewer Medicare Part D claims than the average physician assistant in 2024

557 Medicare Part D claims for 310 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D.

  1. Karen Trabilcy557
  2. Specialty average832

Most prescribed

  1. Azelastine Hcl101 claims
  2. Doxycycline Monohydrate73 claims
  3. Cephalexin49 claims
  4. Prednisone47 claims
  5. Amoxicillin-Clavulanate Potass25 claims
  6. Adacel Tdap18 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.

One hospital or facility affiliation

  1. Southern California Permanente Medical GroupBellflower, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

132 physician assistant records list a Fullerton practice address

They are 132 of the 5,437 NPPES records with a Fullerton practice address, and 13,861 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
  10. Fatimeh Abdallah, P.A.-CNewport Beach, CA1487002218

Common questions

What is Karen Trabilcy, PA-C's NPI number?

Karen Trabilcy, PA-C's National Provider Identifier (NPI) is 1982616868, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Trabilcy, PA-C located?

The NPPES record lists a practice address at 101 E Valencia Mesa Drive, Fullerton, CA, 92835. Phone: (714) 626-8500. Providers update this record themselves, so call before visiting.

How can I verify Karen Trabilcy, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Trabilcy, PA-C prescribe under Medicare Part D?

In 2024, Karen Trabilcy, PA-C had 557 Medicare Part D claims for 310 beneficiaries; the average among physician assistant prescribers was 832. 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.