Charles Nguyen-Thanh Le, M.D.
Nephrology Physician · San Diego, CA
Charles Nguyen-Thanh Le, M.D. is a nephrology physician with a practice address in San Diego, California, and NPI 1821243759, issued on Nov 19, 2008. Check the license (California A124891, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles Nguyen-Thanh Le
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A124891 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4440 Euclid Ave, San Diego, CA 92115
- Phone
- (619) 521-6812
- Enumerated
- Nov 19, 2008
- Record last updated
- May 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (619) 521-6802
- Medicare enrollment
- Enrolled (PECOS I20131120001740); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Verify Charles Nguyen-Thanh Le in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124891Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.1 times the Medicare Part D claims of the average nephrology physician in 2024
10,381 Medicare Part D claims for 697 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 19 claims were for opioids.
Most prescribed
- Losartan Potassium435 claims
- Amlodipine Besylate421 claims
- Atorvastatin Calcium406 claims
- Farxiga380 claims
- Gabapentin357 claims
- Alendronate Sodium350 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: $2,112.83
94 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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 one group practice
- Charles N LE Medical AllianceSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Nguyen-Thanh Le among 1,468 nephrology physician records in California
Charles Nguyen-Thanh Le, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% 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 65% of them.
- NPI issued2008 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2006 · median 2001 among the 1,128 with a school on file
- Record last updated2020 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in San Diego → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Terry Behrend, M.D.San Diego, CA 921151790780484
- David Namazy, M.D.San Diego, CA 921151477558013
- Oday Saeed, M.D.San Diego, CA 921151639432164
- Jay Channick, M.D.Coronado, CA 921181083912869
- Hasan Almohsen, MDSan Diego, CA 921201225666704
- Michael Chau, D.O.San Diego, CA 921201588036719
- Lo-Ping Chen, MDSan Diego, CA 921201932258290
- Patrick Fong, MDSan Diego, CA 921201508925181
Common questions
What is Charles Nguyen-Thanh Le, M.D.'s NPI number?
Charles Nguyen-Thanh Le, M.D.'s National Provider Identifier (NPI) is 1821243759, issued on Nov 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Charles Nguyen-Thanh Le, M.D. located?
The NPPES record lists a practice address at 4440 Euclid Ave, San Diego, CA, 92115. Phone: (619) 521-6812. Providers update this record themselves, so call before visiting.
How can I verify Charles Nguyen-Thanh Le, M.D.'s license?
NPPES lists California license number A124891, 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 Charles Nguyen-Thanh Le, M.D. prescribe under Medicare Part D?
In 2024, Charles Nguyen-Thanh Le, M.D. had 10,381 Medicare Part D claims for 697 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.