Stephen Cai, M.D.
NPI 1316471626 · Diagnostic Radiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Cai, M.D. is a Diagnostic Radiology Physician provider in Los Angeles, CA (NPI 1316471626).
Provider details
- NPI number
- 1316471626
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A176348 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,258 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Mri Scan of Brain Before and After Contrast70553 | 494 | $355 |
| Ct Scan Head Or Brain Without Contrast70450 | 338 | $41 |
| Mri Scan of Brain Without Contrast70551 | 195 | $211 |
| Mri Scan of Bone of Eye Socket, Face, And/Or Neck Before and After Contrast70543 | 183 | $389 |
| Ct Scan of Face Without Contrast70486 | 166 | $147 |
| Mri Scan of Brain Before and After Contrast70553 | 160 |
Practice location
Mailing address
Additional practice locations (3)
- 200 Ucla Medical Plz Ste B165Los Angeles, CA 90095-2536Phone: (310) 267-6810
- 345 St. Paul PlaceMercy Medical Center,bunting Building, 7th FloorBaltimore, MD 21202Phone: (410) 332-9694
- 200 Lothrop St Ste E174Pittsburgh, PA 15213-2536Phone: (412) 647-7338
Registry dates
- Enumerated
- 2017-04-13
- Last updated
- 2022-07-05
- Certified
- 2022-07-05
Frequently asked questions
- What is Stephen Cai's NPI number?
- Stephen Cai's National Provider Identifier (NPI) is 1316471626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Cai's specialty?
- Stephen Cai is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Cai located?
- Stephen Cai's practice location on file with NPPES is 757 Westwood Plz, Los Angeles, CA 90095-2536.
- What is Stephen Cai's phone number?
- The practice phone number listed in the NPPES registry for Stephen Cai is (310) 267-9593.
- Does Stephen Cai accept Medicare?
- Stephen Cai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Cai's NPI active?
- Yes — Stephen Cai's NPI (1316471626) is active in the NPPES registry as of the last update on 2022-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.