NPPES file of Aug 9, 2026

Michael B. Le, MD

Internal Medicine Physician · Los Alamitos, CA

Michael B. Le, MD is an internal medicine physician with a practice address in Los Alamitos, California, and NPI 1578251195, issued on May 1, 2023. Check the license (California A205143, 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
1578251195
Name
Michael B. Le
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A205143 CA
Self-reported in NPPES; status is on the state search
Practice location
3851 Katella Ave, Los Alamitos, CA 90720
Phone
(562) 598-1311
Enumerated
May 1, 2023
Record last updated
Aug 7, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3851 Katella Ave

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

  1. Johannes Bernbeck, MDOrthopaedic Surgery of the Spine Physician1801967849
  2. Jesse Chang, M.D.Pulmonary Disease Physician1366481863
  3. Stanley Chou, M.D.Pain Medicine (Anesthesiology) Physician1194722611
  4. Michael Fishman, D.P.MFoot & Ankle Surgery Podiatrist1366764763
  5. Salima Hassanali, D.O., MPHInternal Medicine Physician1326363565
  6. Florante Luzano, MDPulmonary Disease Physician1538128459

Verify Michael B. 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 A205143
    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

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

133 Medicare Part D claims for 72 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. Michael Le133
  2. Specialty average3,176

Most prescribed

  1. Ciprofloxacin Hcl14 claims
  2. Cefdinir11 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.

Michael B. Le among 17,696 internal medicine physician records in California

Michael B. Le, 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 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • 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).

40 internal medicine physician records list a practice address in Los Alamitos

They are 40 of the 1,035 NPPES records with a practice address in Los Alamitos, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Barry Allswang, MDLos Alamitos, CA 907201720016397
  2. Carlos ArguedasLos Alamitos, CA 907201023075579
  3. Vichai Bhoopat, M.D.Los Alamitos, CA 907201841211497
  4. Winston Chung, MDLos Alamitos, CA 907201851322085
  5. Gerald Cohen, MDLos Alamitos, CA 907201306877253
  6. Heena Contractor, M.D.Los Alamitos, CA 907201518954973
  7. William Harrell, MDLos Alamitos, CA 907201083673685
  8. Taolin Jen, M.D.Rossmoor, CA 907201457384828

Common questions

What is Michael B. Le, MD's NPI number?

Michael B. Le, MD's National Provider Identifier (NPI) is 1578251195, issued on May 1, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Michael B. Le, MD located?

The NPPES record lists a practice address at 3851 Katella Ave, Los Alamitos, CA, 90720. Phone: (562) 598-1311. Providers update this record themselves, so call before visiting.

How can I verify Michael B. Le, MD's license?

NPPES lists California license number A205143, 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 Michael B. Le, MD prescribe under Medicare Part D?

In 2024, Michael B. Le, MD had 133 Medicare Part D claims for 72 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.