Tom A. Bui, PA-C
Medical Physician Assistant · Orange, CA
Tom A. Bui, PA-C is a medical physician assistant with a practice address in Orange, California, and NPI 1093344004, issued on Apr 2, 2020. Check the license (California 1158571, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tom A. Bui
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 1158571 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 456-7890
- Enumerated
- Apr 2, 2020
- Record last updated
- Sep 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20201230001397); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Tom A. Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 1158571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average medical physician assistant in 2024
719 Medicare Part D claims for 247 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 30 claims were for opioids.
Most prescribed
- Atorvastatin Calcium75 claims
- Carvedilol39 claims
- Furosemide33 claims
- Eliquis30 claims
- Cefdinir29 claims
- Clopidogrel27 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
- The Regents OF The University OF California-IrvineOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tom A. Bui among 3,376 medical physician assistant records in California
Tom A. Bui, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 77% of them.
- NPI issued2020 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2020 · median 2012 among the 1,347 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Orange → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Kimberly Burton, PA-COrange, CA 928681073651238
- Allison Checchio, ATCOrange, CA 928681689634321
- Namneet Dhaliwal, PAOrange, CA 928681194846691
- Alejandra Dicaro, PAOrange, CA 928681528360724
- Robin Fordham, PAOrange, CA 928681902175276
- Maryanne Furtek, PAOrange, CA 928681659303881
- Geoffrey Green, PAOrange, CA 928681306878533
- Nicola Lowrey, PAOrange, CA 928681760419428
Common questions
What is Tom A. Bui, PA-C's NPI number?
Tom A. Bui, PA-C's National Provider Identifier (NPI) is 1093344004, issued on Apr 2, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Tom A. Bui, PA-C located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-7890. Providers update this record themselves, so call before visiting.
How can I verify Tom A. Bui, PA-C's license?
NPPES lists California license number 1158571, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tom A. Bui, PA-C prescribe under Medicare Part D?
In 2024, Tom A. Bui, PA-C had 719 Medicare Part D claims for 247 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.