Doctor profile · Federal record
Dr. William Chen, D.D.S.
Endodontist · Fullerton, CA
- NPI 1639375991
- 19 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
259 Laguna RD
Fullerton, CA 928352515
(714) 738-6651 - Mailing address
-
2396 Buckingham Ln
Los Angeles, CA 900771338
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 1223E0200X — NUCC code
- State license (1)
- California #45838
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639375991. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$214
Transactions
7
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Sonendo INC | 5 | $170.35 | |
| Envista Holdings Corporation | 1 | $25.53 | |
| Dentsply Sirona INC | 1 | $17.76 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
157
Patients
138
Total drug cost
$926
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 76 | 67 | $260 |
| Methylprednisolone | Generic | 53 | 45 | $468 |
| Chlorhexidine Gluconate | Generic | 15 | 14 | $93 |
| Clindamycin Hcl | Generic | 13 | 12 | $106 |
Frequently asked questions
What is Dr. William Chen's medical specialty?
Dr. William Chen practices Endodontist in Fullerton, CA.
Where does Dr. William Chen practice?
Dr. William Chen practices at 259 Laguna RD, Fullerton, CA 928352515. Office phone: 7147386651.
What is Dr. William Chen's NPI?
Dr. William Chen's National Provider Identifier (NPI) is 1639375991, issued by NPPES.