Doctor profile · Federal record
Dr. Johnathan Chen, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Los Angeles, CA
- NPI 1669798443
- Accepts Medicare
- MIPS 74.0 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
757 Westwood Plz Ste 1633
Los Angeles, CA 900952910
(310) 301-6800
fax (310) 794-9035 - Additional location
-
1245 16Th St Ste 110
Santa Monica, CA 904041240 - Mailing address
-
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- December 10, 2019
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #A113844
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669798443. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,057
Distinct HCPCS
10
Medicare allowed
$101,911
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 352 | 338 | $9 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 99 | 99 | $93 | |
73130 |
X-ray of hand, minimum of 3 views | 78 | 47 | $43 | |
76882 |
Limited ultrasound scan of joint or other extremity structure except blood vessels | 66 | 58 | $46 | |
71046 |
X-ray of chest, 2 views | 61 | 60 | $11 | |
73630 |
X-ray of foot, minimum of 3 views | 61 | 38 | $40 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 57 | 55 | $89 | |
76536 |
Ultrasound scan of head and neck soft tissue | 55 | 54 | $128 | |
71275 |
Ct scan of blood vessels of chest with contrast | 53 | 53 | $92 | |
73562 |
X-ray of knee, 3 views | 47 | 39 | $10 |
In context: peer comparison
Among 177 peers in this city , average services per provider: 296. This provider delivers 6.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Johnathan Chen's medical specialty?
Dr. Johnathan Chen practices Diagnostic Radiology Physician in Los Angeles, CA.
Where does Dr. Johnathan Chen practice?
Dr. Johnathan Chen practices at 757 Westwood Plz Ste 1633, Los Angeles, CA 900952910. Office phone: 3103016800.
What is Dr. Johnathan Chen's NPI?
Dr. Johnathan Chen's National Provider Identifier (NPI) is 1669798443, issued by NPPES.
Does Dr. Johnathan Chen accept Medicare assignment?
Yes. Dr. Johnathan Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnathan Chen commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan of abdomen and pelvis with contrast (HCPCS 74177); X-ray of hand, minimum of 3 views (HCPCS 73130). Source: CMS Medicare Physician & Other Practitioners file.