Trevor Michael Holloway, P.A.
Physician Assistant · Yorba Linda, CA
Trevor Michael Holloway, P.A. is a physician assistant with a practice address in Yorba Linda, California, and NPI 1922251735, issued on Oct 24, 2008. Check the license (California PA19852, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Trevor Michael Holloway
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA19852 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18300 Yorba Linda Blvd Ste 201, Yorba Linda, CA 92886
- Phone
- (714) 577-6000
- Enumerated
- Oct 24, 2008
- Record last updated
- Feb 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (714) 223-1864
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 18300 Yorba Linda Blvd Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Trevor Michael Holloway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average physician assistant in 2024
906 Medicare Part D claims for 241 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.
Most prescribed
- Ketoconazole268 claims
- Triamcinolone Acetonide186 claims
- Terbinafine Hcl45 claims
- Clotrimazole35 claims
- Clobetasol Propionate33 claims
- Metronidazole33 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.
Industry payments in 2024: $24.86
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Trevor Michael Holloway among 14,451 physician assistant records in California
Trevor Michael Holloway, 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 2008, is newer than 22% of them.
- NPI issued2008 · 22% of these records are older, 75% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2020 · 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).
18 physician assistant records list a practice address in Yorba Linda
They are 18 of the 748 NPPES records with a practice address in Yorba Linda, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Yorba Linda → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jennifer BrewerYorba Linda, CA 928861255861605
- Christina Caputo, PAYorba Linda, CA 928861366771891
- Kristen Connor, PA-CYorba Linda, CA 928861710309018
- Steve Do, PAYorba Linda, CA 928861578039590
- Jessica Gomez, PA-CYorba Linda, CA 928861114582681
- Keith Kessler, PAYorba Linda, CA 928861972711406
- Michelle Kreidt, PA-CYorba Linda, CA 928861740840487
- Jamie Lee, MPAS, PA-CYorba Linda, CA 928861750789780
Common questions
What is Trevor Michael Holloway, P.A.'s NPI number?
Trevor Michael Holloway, P.A.'s National Provider Identifier (NPI) is 1922251735, issued on Oct 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Trevor Michael Holloway, P.A. located?
The NPPES record lists a practice address at 18300 Yorba Linda Blvd Ste 201, Yorba Linda, CA, 92886. Phone: (714) 577-6000. Providers update this record themselves, so call before visiting.
How can I verify Trevor Michael Holloway, P.A.'s license?
NPPES lists California license number PA19852, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Trevor Michael Holloway, P.A. prescribe under Medicare Part D?
In 2024, Trevor Michael Holloway, P.A. had 906 Medicare Part D claims for 241 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.