NPPES file of Aug 9, 2026

Son Thanh Le, M.D.

Internal Medicine Physician · Garden Grove, CA

Son Thanh Le, M.D. is an internal medicine physician with a practice address in Garden Grove, California, and NPI 1861441552, issued on May 9, 2006. Check the license (California A63381, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861441552
Name
Son Thanh Le
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A63381 CA
Self-reported in NPPES; status is on the state search
Practice location
8887 Westminster Ave, Garden Grove, CA 92844
Phone
(714) 698-3880
Enumerated
May 9, 2006
Record last updated
Jul 13, 2026
Fax
(714) 698-3886
Medicaid ID
00A633810 CA
Medicare enrollment
Enrolled (PECOS I20070202000462); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 8887 Westminster Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Nguyen, DCChiropractor1710030184

Verify Son Thanh Le in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A63381    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.7 times the Medicare Part D claims of the average internal medicine physician in 2024

8,691 Medicare Part D claims for 347 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.

  1. Son Le8,691
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium674 claims
  2. Amlodipine Besylate623 claims
  3. Losartan Potassium501 claims
  4. Metformin Hcl337 claims
  5. Metoprolol Succinate318 claims
  6. Alendronate Sodium264 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: $143.98

1 payment: food and beverage; the largest payer was RedHill Biopharma Inc. 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.

  1. Son Le$143.98
  2. Specialty average$1,303.06

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

  1. Family Choice Aco IncWestminster, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Son Thanh Le among 17,696 internal medicine physician records in California

Son Thanh Le, M.D. 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1996 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 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).

39 internal medicine physician records list a practice address in Garden Grove

They are 39 of the 4,572 NPPES records with a practice address in Garden Grove, and 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Garden Grove → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michael Dao, M.D.Garden Grove, CA 928441437321932
  2. Robert Ha, MDGarden Grove, CA 928441750302188
  3. Tam Le, MDGarden Grove, CA 928441336381607
  4. Daniel Luong, M.D.Garden Grove, CA 928441811420508
  5. Jae Man Park, M.D.Garden Grove, CA 928441669628228
  6. Dai Pham, M.D.Garden Grove, CA 928441730542192
  7. Hung Quan, MDGarden Grove, CA 928441639263023
  8. Sarah Strube, DOGarden Grove, CA 928441124359138

Common questions

What is Son Thanh Le, M.D.'s NPI number?

Son Thanh Le, M.D.'s National Provider Identifier (NPI) is 1861441552, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Son Thanh Le, M.D. located?

The NPPES record lists a practice address at 8887 Westminster Ave, Garden Grove, CA, 92844. Phone: (714) 698-3880. Providers update this record themselves, so call before visiting.

How can I verify Son Thanh Le, M.D.'s license?

NPPES lists California license number A63381, 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 Son Thanh Le, M.D. prescribe under Medicare Part D?

In 2024, Son Thanh Le, M.D. had 8,691 Medicare Part D claims for 347 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.