Doctor profile · Federal record
Dr. Steve Chan, MD
Internal Medicine Physician (CMS: Internal Medicine) · Diamond Bar, CA
- NPI 1790750743
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
660 N. Diamond Bar Blvd #118
Diamond Bar, CA 91765
(909) 612-5835
fax (909) 612-5836
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- August 2, 2018
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A63015
- Medicaid
- CA #00A630150
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790750743. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
436
Distinct HCPCS
6
Medicare allowed
$47,338
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 204 | 111 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 108 | 72 | $98 | |
G0008 |
Administration of influenza virus vaccine | 42 | 41 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 41 | 40 | $72 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 27 | 27 | $140 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 14 | 14 | $16 |
In context: peer comparison
Among 1 peers in Diamond Bar Internal Medicine Physician, average services per provider: 72. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$371
Transactions
6
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 5 | $350.64 | |
| Esperion Therapeutics, INC. | 1 | $20.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,436
Patients
717
Total drug cost
$46,940
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 465 | 139 | $9,065 |
| Amlodipine Besylate | Generic | 407 | 118 | $5,501 |
| Metformin Hcl | Generic | 200 | 62 | $3,255 |
| Losartan Potassium | Generic | 195 | 55 | $3,912 |
| Alendronate Sodium | Generic | 181 | 53 | $2,804 |
| Tamsulosin Hcl | Generic | 177 | 55 | $4,340 |
| Zolpidem Tartrate | Generic | 147 | 39 | $1,214 |
| Levothyroxine Sodium | Generic | 123 | 33 | $2,968 |
| Omeprazole | Generic | 121 | 35 | $2,161 |
| Rosuvastatin Calcium | Generic | 77 | 22 | $3,086 |
Frequently asked questions
What is Dr. Steve Chan's medical specialty?
Dr. Steve Chan practices Internal Medicine Physician in Diamond Bar, CA.
Where does Dr. Steve Chan practice?
Dr. Steve Chan practices at 660 N. Diamond Bar Blvd #118, Diamond Bar, CA 91765. Office phone: 9096125835.
What is Dr. Steve Chan's NPI?
Dr. Steve Chan's National Provider Identifier (NPI) is 1790750743, issued by NPPES.
Does Dr. Steve Chan accept Medicare assignment?
Yes. Dr. Steve Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steve Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.