Thang D. Nguyen, MD
Internal Medicine Physician · Sun City, CA
Thang D. Nguyen, MD is an internal medicine physician with a practice address in Sun City, California, and NPI 1013916048, issued on Jul 20, 2005. Check the license (California A78238, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thang D. Nguyen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A78238 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27830 Bradley RD, Sun City, CA 92586
- Phone
- (951) 679-2358
- Enumerated
- Jul 20, 2005
- Record last updated
- Nov 24, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (951) 672-8599
- Medicare enrollment
- Enrolled (PECOS I20061012000678); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 27830 Bradley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thang D. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average internal medicine physician in 2024
6,176 Medicare Part D claims for 430 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 268 claims were for opioids.
Most prescribed
- Atorvastatin Calcium430 claims
- Losartan Potassium267 claims
- Amlodipine Besylate254 claims
- Metoprolol Succinate248 claims
- Metformin Hcl239 claims
- Levothyroxine Sodium215 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: $516.28
24 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.
13 internal medicine physician records list a practice address in Sun City
They are 13 of the 137 NPPES records with a practice address in Sun City, and 17,696 internal medicine physician records in California.
All 13 in Sun City → All 17,696 in California → Every provider in Sun City →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Thang D. Nguyen, MD's NPI number?
Thang D. Nguyen, MD's National Provider Identifier (NPI) is 1013916048, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thang D. Nguyen, MD located?
The NPPES record lists a practice address at 27830 Bradley RD, Sun City, CA, 92586. Phone: (951) 679-2358. Providers update this record themselves, so call before visiting.
How can I verify Thang D. Nguyen, MD's license?
NPPES lists California license number A78238, 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 Thang D. Nguyen, MD prescribe under Medicare Part D?
In 2024, Thang D. Nguyen, MD had 6,176 Medicare Part D claims for 430 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.