Doctor profile · Federal record
Dr. Patrick Chen, MD
Family Medicine Physician (CMS: Family Practice) · Oakland, CA
- NPI 1285933275
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
275 W Macarthur Blvd
Oakland, CA 946115641
(510) 752-1000
fax (510) 752-6851
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- December 14, 2021
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A88391
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285933275. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$61
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Smith+Nephew, Inc. | 2 | $41.07 | |
| GENZYME CORPORATION | 1 | $19.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,696
Patients
622
Total drug cost
$26,383
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 400 | 147 | $6,260 |
| Amlodipine Besylate | Generic | 199 | 67 | $2,607 |
| Lisinopril | Generic | 146 | 56 | $1,750 |
| Levothyroxine Sodium | Generic | 113 | 36 | $2,510 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 101 | 25 | $2,253 |
| Losartan Potassium | Generic | 100 | 40 | $1,217 |
| Tamsulosin Hcl | Generic | 100 | 39 | $2,271 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 79 | 42 | $1,332 |
| Hydrochlorothiazide | Generic | 76 | 30 | $897 |
| Metformin Hcl | Generic | 74 | 26 | $801 |
Frequently asked questions
What is Dr. Patrick Chen's medical specialty?
Dr. Patrick Chen practices Family Medicine Physician in Oakland, CA.
Where does Dr. Patrick Chen practice?
Dr. Patrick Chen practices at 275 W Macarthur Blvd, Oakland, CA 946115641. Office phone: 5107521000.
What is Dr. Patrick Chen's NPI?
Dr. Patrick Chen's National Provider Identifier (NPI) is 1285933275, issued by NPPES.
Does Dr. Patrick Chen accept Medicare assignment?
Yes. Dr. Patrick Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.