Doctor profile · Federal record
Dr. James Chen, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Belmont, CA
- NPI 1164531141
- Accepts Medicare
- 30 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1601 El Camino Real Ste 303
Belmont, CA 940023943
(650) 654-3954
fax (650) 654-3997
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A063211
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164531141. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
681
Distinct HCPCS
3
Medicare allowed
$83,779
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 605 | 51 | $119 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 43 | 40 | $206 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 33 | 12 | $85 |
In context: peer comparison
Among 4 peers in Belmont Internal Medicine Physician, average services per provider: 125. This provider delivers 5.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
603
Patients
24
Total drug cost
$16,707
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 81 | 0 | $675 |
| Furosemide | Generic | 69 | 0 | $320 |
| Amlodipine Besylate | Generic | 63 | 0 | $577 |
| Atorvastatin Calcium | Generic | 58 | 13 | $1,239 |
| Gabapentin | Generic | 52 | 0 | $1,129 |
| Losartan Potassium | Generic | 43 | 0 | $961 |
| Sucralfate | Generic | 37 | 0 | $879 |
| Eliquis (Apixaban) | Brand | 33 | 0 | $8,028 |
| Ciprofloxacin Hcl | Generic | 30 | 11 | $253 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 29 | 0 | $455 |
Frequently asked questions
What is Dr. James Chen's medical specialty?
Dr. James Chen practices Internal Medicine Physician in Belmont, CA.
Where does Dr. James Chen practice?
Dr. James Chen practices at 1601 El Camino Real Ste 303, Belmont, CA 940023943. Office phone: 6506543954.
What is Dr. James Chen's NPI?
Dr. James Chen's National Provider Identifier (NPI) is 1164531141, issued by NPPES.
Does Dr. James Chen accept Medicare assignment?
Yes. Dr. James Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.