Doctor profile · Federal record
Dr. Hyung Won Choi, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Orange, CA
- NPI 1659783405
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
101 the City Dr S
Orange, CA 928683201
(714) 456-7237 - Additional location
-
1245 16Th St Ste 105
Santa Monica, CA 904041239
(310) 301-6800
fax (310) 794-9035 - Additional location
-
757 Westwood Plz Ste 1638
Los Angeles, CA 900959000
(310) 267-8796
fax (310) 267-2059 - Mailing address
-
200 S Manchester Ave Ste 300
Orange, CA 928683219
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- November 4, 2022
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #A138866
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659783405. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,259
Distinct HCPCS
10
Medicare allowed
$126,041
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77067 |
Screening mammography | 403 | 403 | $39 | |
77063 |
Screening 3d breast mammography | 397 | 397 | $31 | |
77067 |
Screening mammography | 317 | 317 | $94 | |
77063 |
Screening 3d breast mammography | 313 | 313 | $46 | |
A9585 |
Injection, gadobutrol, 0.1 ml | 138 | 16 | $0 | |
G0279 |
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 129 | 127 | $31 | |
76641 |
Complete ultrasound scan of 1 breast | 101 | 100 | $54 | |
76642 |
Limited ultrasound scan of 1 breast | 96 | 90 | $39 | |
77065 |
Diagnostic mammography of 1 breast | 84 | 76 | $41 | |
77066 |
Diagnostic mammography of both breasts | 80 | 80 | $51 |
In context: peer comparison
Among 37 peers in Orange Diagnostic Radiology Physician, average services per provider: 116. This provider delivers 19× the peer median.Frequently asked questions
What is Dr. Hyung Won Choi's medical specialty?
Dr. Hyung Won Choi practices Diagnostic Radiology Physician in Orange, CA.
Where does Dr. Hyung Won Choi practice?
Dr. Hyung Won Choi practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144567237.
What is Dr. Hyung Won Choi's NPI?
Dr. Hyung Won Choi's National Provider Identifier (NPI) is 1659783405, issued by NPPES.
Does Dr. Hyung Won Choi accept Medicare assignment?
Yes. Dr. Hyung Won Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hyung Won Choi commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.