Thuan Nguyen
Internal Medicine Physician · Los Angeles, CA
Thuan Nguyen is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1982086898, issued on Jun 26, 2015. Check the license (California 20A17572, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thuan Nguyen
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 20A17572 CA
DOR-339 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1225 Wilshire Blvd, Los Angeles, CA 90017
- Phone
- (213) 977-2121
- Enumerated
- Jun 26, 2015
- Record last updated
- Sep 25, 2022
- Fax
- (213) 482-2770
- Medicare enrollment
- Enrolled (PECOS I20200413002902); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1225 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hanan Abdelfattah, PAPhysician Assistant1699230953
- Mari Abdulian, PA-CPhysician Assistant1629307947
- Nicholas Abraham, M.D.Emergency Medicine Physician1770984098
- Tiffany Abramson, MDEmergency Medicine Physician1154793586
- Nicole Adams, FNPFamily Nurse Practitioner1730889270
- Gabrielle Ahlzadeh, MDEmergency Medicine Physician1225427172
Verify Thuan Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
250 Medicare Part D claims for 99 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Ampicillin-Sulbactam25 claims
- Amoxicillin-Clavulanate Potass16 claims
- Atorvastatin Calcium13 claims
- Metoprolol Succinate13 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: $162.65
6 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through 2 group practices
- Epic Medical Group,incLynwood, CA
- Pih Health PhysiciansLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thuan Nguyen among 17,696 internal medicine physician records in California
Thuan Nguyen is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Soo Chong, M.D.Los Angeles, CA 900171932206836
- Soha Dolatabadi, M.D.Los Angeles, CA 900171992806277
- Glenn Hatfield, M.D.Los Angeles, CA 900171144291535
- Alexis Hoen, MDLos Angeles, CA 900171043281926
- William Howell, M.D.Los Angeles, CA 900171518999143
- Terry Jerge, M.D.Los Angeles, CA 900171396717591
- Thomas Kanegae, M.D.Los Angeles, CA 900171902805914
- Ashraf Khan, MDLos Angeles, CA 900171134119894
Common questions
What is Thuan Nguyen's NPI number?
Thuan Nguyen's National Provider Identifier (NPI) is 1982086898, issued on Jun 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Thuan Nguyen located?
The NPPES record lists a practice address at 1225 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 977-2121. Providers update this record themselves, so call before visiting.
How can I verify Thuan Nguyen's license?
NPPES lists California license number 20A17572, 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 Thuan Nguyen prescribe under Medicare Part D?
In 2024, Thuan Nguyen had 250 Medicare Part D claims for 99 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.