DR. JUSTIN LE CHAN (M.D.) – Family Medicine Physician, NPI 1003818501
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for DR. JUSTIN LE CHAN (M.D.)
333, Garfield Avenue, Alhambra, Los Angeles County, California, 91801, United States
SUITE K
ALHAMBRA, CA 918013800
Phone: (626) 282-8046
Fax: (626) 289-6599
Type: Mailing
925, Garfield Avenue, Alhambra, Los Angeles County, California, 91801, United States
ALHAMBRA, CA 918014442
Phone: (626) 282-0282
Fax: (626) 282-0939
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 82 Open Payments records for all available years, with a total value of $3,002.
Total Amount is formed as General ($3,002) + Research ($0) + Ownership ($0) = $3,002.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Gilead Sciences, Inc. ($562).
Total Amount
$3,002
General + Research + Ownership
Payments
82
Total payment records
General Amount
$3,002
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $562 |
| AstraZeneca Pharmaceuticals LP | $307 |
| Lilly USA, LLC | $259 |
| Bayer Healthcare Pharmaceuticals Inc. | $217 |
| Lexicon Pharmaceuticals, Inc. | $210 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-10-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20061020000598 | I | Internal Medicine | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 626 | 213 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 104 | 104 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 103 | 103 | $0 |
| G0008 | Administration of influenza virus vaccine | 50 | 49 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 47 | 46 | $0 |
Insurance plans in this area (ZIP 91801)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| Gastroenterology, Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Gastroenterology, Internal Medicine | CA | |
| Family Practice | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| Family Practice | CA |
Reviews
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