Doctor profile · Federal record

Dr. Stephen Cai, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Los Angeles, CA

  • NPI 1316471626
  • Accepts Medicare
  • MIPS 74.0 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
757 Westwood Plz
Los Angeles, CA 900952536
(310) 267-9593
Additional location
345 St. Paul Place, Mercy Medical Center,Bunting Building, 7Th Floor
Baltimore, MD 21202
(410) 332-9694
Additional location
200 Lothrop St Ste E174
Pittsburgh, PA 152132536
(412) 647-7338
Show 1 more location
Additional location
200 UCLA Medical Plz Ste B165
Los Angeles, CA 900952536
(310) 267-6810
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
July 5, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A176348

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316471626. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43,875
Distinct HCPCS
10
Medicare allowed
$295,392
HCPCS Description Services Patients Avg allowed
A9585 Injection, gadobutrol, 0.1 ml 31,083 338 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 11,165 104 $0
70553 Mri scan of brain before and after contrast 216 215 $365
70450 Ct scan head or brain without contrast 196 189 $42
70551 Mri scan of brain without contrast 97 97 $218
70543 Mri scan of bone of eye socket, face, and/or neck before and after contrast 90 89 $393
70486 Ct scan of face without contrast 89 89 $148
70553 Mri scan of brain before and after contrast 82 82 $115
70491 Ct scan of soft tissue of neck with contrast 71 68 $168
72148 Mri scan of lower spinal canal without contrast 71 71 $217

In context: peer comparison

Among 177 peers in this city , average services per provider: 296. This provider delivers 148× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Cai's medical specialty?
Dr. Stephen Cai practices Diagnostic Radiology Physician in Los Angeles, CA.
Where does Dr. Stephen Cai practice?
Dr. Stephen Cai practices at 757 Westwood Plz, Los Angeles, CA 900952536. Office phone: 3102679593.
What is Dr. Stephen Cai's NPI?
Dr. Stephen Cai's National Provider Identifier (NPI) is 1316471626, issued by NPPES.
Does Dr. Stephen Cai accept Medicare assignment?
Yes. Dr. Stephen Cai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Cai commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Mri scan of brain before and after contrast (HCPCS 70553). Source: CMS Medicare Physician & Other Practitioners file.