Truongson Xuan Nguyen, M.D.
Hospitalist Physician · Orange, CA
Truongson Xuan Nguyen, M.D. is a hospitalist physician with a practice address in Orange, California, and NPI 1922232206, issued on May 14, 2009. Check the license (California A101982, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Truongson Xuan Nguyen
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A101982 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1310 W Stewart Dr, Orange, CA 92868
- Phone
- (714) 639-9401
- Enumerated
- May 14, 2009
- Record last updated
- Oct 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (714) 639-7095
- Medicare enrollment
- Enrolled (PECOS I20090831000084); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2006
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1310 W Stewart Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Quincy Almond, M.D.Hospitalist Physician1578573697
- Afshin Aminian, M.D.Specialist1609805910
- Lars Anker, MDNeurological Surgery Physician1962548537
- Shawn Beck, M.D.Urology Physician1669661849
Verify Truongson Xuan Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A101982Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average hospitalist physician in 2024
440 Medicare Part D claims for 198 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass21 claims
- Prednisone20 claims
- Furosemide17 claims
- Cefpodoxime Proxetil16 claims
- Potassium Chloride15 claims
- Azithromycin14 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
- Providence Medical FoundationOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Truongson Xuan Nguyen among 3,099 hospitalist physician records in California
Truongson Xuan Nguyen, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 39% of them.
- NPI issued2009 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2006 · median 2010 among the 2,505 with a school on file
- Record last updated2020 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Orange → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Quincy Almond, M.D.Orange, CA 928681578573697
- Alpesh Amin, MDOrange, CA 928681457394801
- Sean Amos, M.D.Orange, CA 928681992715007
- Andrea Avery, MDOrange, CA 928681144300229
- Amish Dangodara, MDOrange, CA 928681093895195
- Israel De Alba, MDOrange, CA 928681639259732
- Dang Khoa T Duong, MDOrange, CA 928681346320488
- Diego Gonzalez, M.D.Orange, CA 928681326058371
Common questions
What is Truongson Xuan Nguyen, M.D.'s NPI number?
Truongson Xuan Nguyen, M.D.'s National Provider Identifier (NPI) is 1922232206, issued on May 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Truongson Xuan Nguyen, M.D. located?
The NPPES record lists a practice address at 1310 W Stewart Dr, Orange, CA, 92868. Phone: (714) 639-9401. Providers update this record themselves, so call before visiting.
How can I verify Truongson Xuan Nguyen, M.D.'s license?
NPPES lists California license number A101982, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Truongson Xuan Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Truongson Xuan Nguyen, M.D. had 440 Medicare Part D claims for 198 beneficiaries; the average among hospitalist physician prescribers was 521. 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.