Doctor profile · Federal record
Dr. Joy Liau, M.D. PH.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · San Diego, CA
- NPI 1578875779
- Accepts Medicare
- MIPS 69.4 / 100 · 2023
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273 - Mailing address
-
Po Box 232410
San Diego, CA 921932410
Credentials & registration
- NPI registered
- July 2010 — 16 yrs on file
- Profile last updated
- July 1, 2019
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #A118110
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578875779. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,877
Distinct HCPCS
10
Medicare allowed
$123,929
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
A9585 |
Injection, gadobutrol, 0.1 ml | 1,659 | 21 | $0 | |
74018 |
X-ray of abdomen, 1 view | 399 | 303 | $9 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 382 | 360 | $90 | |
93970 |
Ultrasound study of arm or leg veins with compression and maneuvers | 186 | 180 | $34 | |
76705 |
Limited ultrasound scan of abdomen | 149 | 146 | $29 | |
74183 |
Mri scan of abdomen before and after contrast | 137 | 132 | $108 | |
93971 |
Ultrasound study of one arm or leg veins with compression and maneuvers | 110 | 106 | $22 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 102 | 101 | $87 | |
76770 |
Complete ultrasound scan behind abdominal cavity | 102 | 100 | $36 | |
72197 |
Mri scan of pelvis before and after contrast | 89 | 87 | $109 |
In context: peer comparison
Among 125 peers in San Diego Diagnostic Radiology Physician, average services per provider: 189. This provider delivers 21× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Joy Liau's medical specialty?
Dr. Joy Liau practices Diagnostic Radiology Physician in San Diego, CA.
Where does Dr. Joy Liau practice?
Dr. Joy Liau practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8009268273.
What is Dr. Joy Liau's NPI?
Dr. Joy Liau's National Provider Identifier (NPI) is 1578875779, issued by NPPES.
Does Dr. Joy Liau accept Medicare assignment?
Yes. Dr. Joy Liau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joy Liau commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); X-ray of abdomen, 1 view (HCPCS 74018); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.