Doctor profile · Federal record
Dr. Justin Chan, M.D.
Family Medicine Physician (CMS: Internal Medicine) · Alhambra, CA
- NPI 1003818501
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
925 S Garfield Ave
Alhambra, CA 918014442
(626) 282-0282
fax (626) 282-0939 - Mailing address
-
333 S Garfield Ave, Suite K
Alhambra, CA 918013800
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- July 9, 2007
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G79829
- Medicaid
- CA #00G798290
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003818501. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
953
Distinct HCPCS
7
Medicare allowed
$85,150
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 626 | 213 | $99 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 104 | 104 | $140 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 103 | 103 | $19 | |
G0008 |
Administration of influenza virus vaccine | 50 | 49 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 47 | 46 | $71 | |
90732 |
Pneumococcal vaccine, 23-valent | 12 | 12 | $131 | |
G0009 |
Administration of pneumococcal vaccine | 11 | 11 | $33 |
In context: peer comparison
Among 8 peers in Alhambra Family Medicine Physician, average services per provider: 311. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$1,670
Transactions
40
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 6 | $307.20 | |
| Gilead Sciences, INC. | 5 | $272.64 | |
| Lilly USA, LLC | 6 | $259.30 | |
| Lexicon Pharmaceuticals, INC. | 4 | $209.63 | |
| Amgen INC. | 1 | $124.99 | |
| Bayer Healthcare Pharmaceuticals INC. | 5 | $114.12 | |
| Sanofi-Aventis U.S. LLC | 2 | $52.13 | |
| Merck Sharp & Dohme LLC | 2 | $48.19 | |
| Kowa Pharmaceuticals America, INC. | 2 | $43.98 | |
| GlaxoSmithKline, LLC. | 1 | $31.66 | |
| Ardelyx, INC. | 1 | $30.88 | |
| Abbott Laboratories | 2 | $30.82 | |
| Genzyme Corporation | 1 | $29.53 | |
| Regeneron Healthcare Solutions, INC. | 1 | $21.92 | |
| Exact Sciences Corporation | 1 | $20.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,316
Patients
919
Total drug cost
$70,596
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 934 | 206 | $14,930 |
| Amlodipine Besylate | Generic | 464 | 83 | $6,025 |
| Metformin Hcl | Generic | 423 | 92 | $5,507 |
| Losartan Potassium | Generic | 349 | 72 | $4,449 |
| Omeprazole | Generic | 308 | 69 | $3,083 |
| Alendronate Sodium | Generic | 274 | 61 | $3,512 |
| Levothyroxine Sodium | Generic | 260 | 46 | $4,313 |
| Triamcinolone Acetonide | Generic | 231 | 64 | $3,176 |
| Azelastine Hcl | Generic | 166 | 32 | $5,423 |
| Diclofenac Sodium | Generic | 163 | 37 | $8,049 |
Frequently asked questions
What is Dr. Justin Chan's medical specialty?
Dr. Justin Chan practices Family Medicine Physician in Alhambra, CA.
Where does Dr. Justin Chan practice?
Dr. Justin Chan practices at 925 S Garfield Ave, Alhambra, CA 918014442. Office phone: 6262820282.
What is Dr. Justin Chan's NPI?
Dr. Justin Chan's National Provider Identifier (NPI) is 1003818501, issued by NPPES.
Does Dr. Justin Chan accept Medicare assignment?
Yes. Dr. Justin Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.