Harry Trieu, MD
Student in an Organized Health Care Education/Training Program · Orange, CA
Harry Trieu, MD is a student in an organized health care education/training program with a practice address in Orange, California, and NPI 1518616457, issued on Mar 19, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Harry Trieu
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 3800 W Chapman Ave Ste 6400, Orange, CA 92868
- Phone
- (714) 456-6745
- Enumerated
- Mar 19, 2022
- Record last updated
- Jul 6, 2025
- Fax
- (714) 456-7753
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 3800 W Chapman Ave Ste 6400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David VealGastroenterology Physician1336467505
Verify Harry Trieu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average student in an organized health care education/training program in 2024
276 Medicare Part D claims for 64 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate23 claims
- Lisinopril22 claims
- Atorvastatin Calcium21 claims
- Metformin Hcl13 claims
- Gabapentin12 claims
- Jardiance12 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.
Harry Trieu among 40,652 student in an organized health care education/training program records in California
Harry Trieu, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 34% of them.
- NPI issued2022 · 34% of these records are older, 58% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2025 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
870 student in an organized health care education/training program records list a practice address in Orange
They are 870 of the 13,245 NPPES records with a practice address in Orange, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Orange → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Shiloni Bhambani, BS, M.D.Orange, CA 928681932439288
- Davin Chark, M.D.Orange, CA 928681790938306
- Hannah ChoiOrange, CA 928681689802811
- Jeffrey Cruz, MDOrange, CA 928681922236207
- Juliette Hunt, MDOrange, CA 928681265615389
- Rakhi Kaila, M.B.B.SOrange, CA 928681720265762
- Tho Le, M.D.Orange, CA 928681467685289
- Sharon Lee, M.D.Orange, CA 928681558518878
Common questions
What is Harry Trieu, MD's NPI number?
Harry Trieu, MD's National Provider Identifier (NPI) is 1518616457, issued on Mar 19, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Harry Trieu, MD located?
The NPPES record lists a practice address at 3800 W Chapman Ave Ste 6400, Orange, CA, 92868. Phone: (714) 456-6745. Providers update this record themselves, so call before visiting.
How can I verify Harry Trieu, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Harry Trieu, MD prescribe under Medicare Part D?
In 2024, Harry Trieu, MD had 276 Medicare Part D claims for 64 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.