Andy Quang Bui, PA-C
Physician Assistant · Orange, CA
Andy Quang Bui, PA-C is a physician assistant with a practice address in Orange, California, and NPI 1508570250, issued on Jan 9, 2023. Check the license (California PA63442, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andy Quang Bui
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA63442 CA
Self-reported in NPPES; status is on the state search - Practice location
- 315 S Tustin St, Orange, CA 92866
- Phone
- (714) 422-3056
- Enumerated
- Jan 9, 2023
- Record last updated
- Jul 12, 2025
- Fax
- (714) 422-3057
- Medicare enrollment
- Enrolled (PECOS I20240312004110); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 315 S Tustin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Schnepf, PA-CPhysician Assistant1417508185
Verify Andy Quang 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 PA63442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average physician assistant in 2024
203 Medicare Part D claims for 119 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Azithromycin28 claims
- Albuterol Sulfate Hfa23 claims
- Fluticasone Propionate23 claims
- Amoxicillin-Clavulanate Potass13 claims
- Methylprednisolone13 claims
- Cephalexin12 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
- Nellie Gail Urgent Care Medical CorpLaguna Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andy Quang Bui among 14,451 physician assistant records in California
Andy Quang Bui, PA-C 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 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2023 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 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).
181 physician assistant records list a practice address in Orange
They are 181 of the 13,245 NPPES records with a practice address in Orange, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Orange → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sarah AdamsOrange, CA 928661851101075
- Akeem Borom, PA-COrange, CA 928661316679822
- Neil ChenOrange, CA 928661710615398
- John Diab, PAOrange, CA 928661164687570
- Julie Huynh, PA-COrange, CA 928661043728884
- Jenna KnappOrange, CA 928661528885449
- Aarti Kumari, PHYSICIAN ASSISTANTOrange, CA 928661578108908
- Sara Morton, PA-COrange, CA 928661356569271
Common questions
What is Andy Quang Bui, PA-C's NPI number?
Andy Quang Bui, PA-C's National Provider Identifier (NPI) is 1508570250, issued on Jan 9, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Andy Quang Bui, PA-C located?
The NPPES record lists a practice address at 315 S Tustin St, Orange, CA, 92866. Phone: (714) 422-3056. Providers update this record themselves, so call before visiting.
How can I verify Andy Quang Bui, PA-C's license?
NPPES lists California license number PA63442, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Andy Quang Bui, PA-C prescribe under Medicare Part D?
In 2024, Andy Quang Bui, PA-C had 203 Medicare Part D claims for 119 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.