Doctor profile · Federal record
Dr. Timothy Chen, MD
Family Medicine Physician (CMS: Internal Medicine) · Family Medicine Physician · Oxnard, CA
- NPI 1720152002
- Accepts Medicare
- 25 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2600 E Vineyard Ave
Oxnard, CA 930361615
(805) 436-3444 - Additional location
-
2655 1St St Ste 360
Simi Valley, CA 930651547
(805) 583-7640 - Mailing address
-
2655 1St St Ste 360
Simi Valley, CA 930651547
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- May 20, 2024
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- California #A89234 · Wisconsin #45690-20
- Medicaid
- CA #00A892340
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720152002. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$313
Transactions
14
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, INC. | 10 | $216.72 | |
| Exact Sciences Corporation | 1 | $34.03 | |
| Sk Life Science, INC. | 1 | $28.33 | |
| Novartis Pharmaceuticals Corporation | 1 | $18.86 | |
| Idorsia Pharmaceuticals US INC | 1 | $15.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
653
Patients
269
Total drug cost
$10,319
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 84 | 43 | $1,157 |
| Atorvastatin Calcium | Generic | 75 | 39 | $1,414 |
| Lisinopril | Generic | 72 | 36 | $911 |
| Furosemide | Generic | 54 | 18 | $465 |
| Levothyroxine Sodium | Generic | 49 | 18 | $853 |
| Losartan Potassium | Generic | 45 | 24 | $1,167 |
| Chlorthalidone | Generic | 39 | 20 | $1,186 |
| Metformin Hcl | Generic | 39 | 19 | $517 |
| Hydrochlorothiazide | Generic | 36 | 13 | $207 |
| Simvastatin | Generic | 34 | 12 | $501 |
Frequently asked questions
What is Dr. Timothy Chen's medical specialty?
Dr. Timothy Chen practices Family Medicine Physician in Oxnard, CA.
Where does Dr. Timothy Chen practice?
Dr. Timothy Chen practices at 2600 E Vineyard Ave, Oxnard, CA 930361615. Office phone: 8054363444.
What is Dr. Timothy Chen's NPI?
Dr. Timothy Chen's National Provider Identifier (NPI) is 1720152002, issued by NPPES.
Does Dr. Timothy Chen accept Medicare assignment?
Yes. Dr. Timothy Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.