Thanh Trang Thi Nguyen, MD
Internal Medicine Physician · Placerville, CA
Thanh Trang Thi Nguyen, MD is an internal medicine physician with a practice address in Placerville, California, and NPI 1497907083, issued on Oct 15, 2008. Check the license (California A115025, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanh Trang Thi Nguyen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A115025 CA
Self-reported in NPPES; status is on the state search - Practice location
- The Pines AT Placerville Healthcare Center, Placerville, CA 95667
- Phone
- (530) 622-3400
- Enumerated
- Oct 15, 2008
- Record last updated
- May 16, 2025
- Fax
- (530) 622-5230
- Medicare enrollment
- Enrolled (PECOS I20180222002894); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Thanh Trang Thi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,834 Medicare Part D claims for 244 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 564 claims were for opioids.
Most prescribed
- Atorvastatin Calcium511 claims
- Eliquis424 claims
- Gabapentin418 claims
- Levothyroxine Sodium399 claims
- Furosemide300 claims
- Hydrocodone-Acetaminophen233 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
- Community Health Centers OF AmericaFair Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thanh Trang Thi Nguyen among 17,696 internal medicine physician records in California
Thanh Trang Thi Nguyen, MD 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Placerville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ketan Ajudia, M.D.Placerville, CA 956671114934866
- Joe AlfeghalyPlacerville, CA 956671548831027
- Cesar Ang, MDPlacerville, CA 956671225010218
- Gerardo Galang, MDPlacerville, CA 956671790711034
- Robert Macy, MDPlacerville, CA 956671184630147
- Mohammed Siddiqi, MDPlacerville, CA 956671003933094
- Zachary Walder, DOPlacerville, CA 956671417585597
- Josefina Aquino, M.D.Rancho Cordova, CA 956701427021229
Common questions
What is Thanh Trang Thi Nguyen, MD's NPI number?
Thanh Trang Thi Nguyen, MD's National Provider Identifier (NPI) is 1497907083, issued on Oct 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thanh Trang Thi Nguyen, MD located?
The NPPES record lists a practice address at The Pines AT Placerville Healthcare Center, Placerville, CA, 95667. Phone: (530) 622-3400. Providers update this record themselves, so call before visiting.
How can I verify Thanh Trang Thi Nguyen, MD's license?
NPPES lists California license number A115025, 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 Thanh Trang Thi Nguyen, MD prescribe under Medicare Part D?
In 2024, Thanh Trang Thi Nguyen, MD had 9,834 Medicare Part D claims for 244 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.