Doctor profile · Federal record
Dr. Derek Li, MD
Internal Medicine Physician · Fontana, CA
- NPI 1902973845
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9961 Sierra Ave
Fontana, CA 923356720
(909) 427-3910
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- November 29, 2021
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G61662
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902973845. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$45
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ferring Pharmaceuticals Inc. | 3 | $45.31 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
19
Patients
0
Total drug cost
$208
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 19 | 0 | $208 |
Frequently asked questions
What is Dr. Derek Li's medical specialty?
Dr. Derek Li practices Internal Medicine Physician in Fontana, CA.
Where does Dr. Derek Li practice?
Dr. Derek Li practices at 9961 Sierra Ave, Fontana, CA 923356720. Office phone: 9094273910.
What is Dr. Derek Li's NPI?
Dr. Derek Li's National Provider Identifier (NPI) is 1902973845, issued by NPPES.