NPPES file of Aug 9, 2026

Justin Le Chan, M.D.

Family Medicine Physician · Alhambra, CA

Justin Le Chan, M.D. is a family medicine physician with a practice address in Alhambra, California, and NPI 1003818501, issued on Aug 15, 2005. Check the license (California G79829, 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
1003818501
Name
Justin Le Chan
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G79829 CA
Self-reported in NPPES; status is on the state search
Practice location
925 S Garfield Ave, Alhambra, CA 91801
Phone
(626) 282-0282
Enumerated
Aug 15, 2005
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(626) 282-0939
Medicaid ID
00G798290 CA
Medicare enrollment
Enrolled (PECOS I20061020000598); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 1993
Telehealth
Offers telehealth (CMS)
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 family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 925 S Garfield Ave

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

  1. Hoi Lok Chan, FNP-CFamily Nurse Practitioner1205697612
  2. Min-O Chuang, N.P.Acute Care Nurse Practitioner1902183809
  3. Thomas HanFamily Nurse Practitioner1184348617
  4. Donna HongFamily Nurse Practitioner1326460338
  5. Jin Hong, M.D.Internal Medicine Physician1972516441
  6. Michael Lam, M.DFamily Medicine Physician1528184587

Verify Justin Le Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G79829    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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2.9 times the Medicare Part D claims of the average family medicine physician in 2024

10,326 Medicare Part D claims for 527 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 43 claims were for opioids.

  1. Justin Chan10,326
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium950 claims
  2. Amlodipine Besylate555 claims
  3. Metformin Hcl453 claims
  4. Losartan Potassium361 claims
  5. Alendronate Sodium352 claims
  6. Levothyroxine Sodium255 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: $1,669.84

44 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justin Chan$1,669.84
  2. Specialty average$902.55

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. Amg A Professional Medical CorporationAlhambra, CA

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

Justin Le Chan among 17,133 family medicine physician records in California

Justin Le Chan, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1993 · median 2005 among the 10,652 with a school on file
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 family medicine physician records list a practice address in Alhambra

They are 26 of the 1,802 NPPES records with a practice address in Alhambra, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Alhambra → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Thelma Buan, M.D.Alhambra, CA 918011568551547
  2. Luning Chen, M.D.Alhambra, CA 918011306956529
  3. Corazon Co Thein, MDAlhambra, CA 918011982783502
  4. Benson Kwee, D.O.Alhambra, CA 918011861811762
  5. Michael Lam, M.DAlhambra, CA 918011528184587
  6. Weiguo Li, M.D.,PH.D.Alhambra, CA 918011972640142
  7. Hsiung Lin, M.D.Alhambra, CA 918011740380393
  8. Than Luu, MDAlhambra, CA 918011750548640

Common questions

What is Justin Le Chan, M.D.'s NPI number?

Justin Le Chan, M.D.'s National Provider Identifier (NPI) is 1003818501, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Justin Le Chan, M.D. located?

The NPPES record lists a practice address at 925 S Garfield Ave, Alhambra, CA, 91801. Phone: (626) 282-0282. Providers update this record themselves, so call before visiting.

How can I verify Justin Le Chan, M.D.'s license?

NPPES lists California license number G79829, 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 Justin Le Chan, M.D. prescribe under Medicare Part D?

In 2024, Justin Le Chan, M.D. had 10,326 Medicare Part D claims for 527 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.