Andrew Ong, M.D.
NPI 1780138289 · Diagnostic Radiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Ong, M.D. is a Diagnostic Radiology Physician provider in Los Angeles, CA (NPI 1780138289).
Provider details
- NPI number
- 1780138289
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
83% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
5,271 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,294 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 348 | $42 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 299 | $87 |
| Screening 3d Breast Mammography77063 | 276 | $30 |
| Screening Mammography77067 | 276 | $39 |
| X-Ray of Abdomen, 1 View74018 | 159 | $9 |
Practice location
Mailing address
Additional practice locations (3)
- 400 W Pueblo StreetSbch Medical Education OfficeSanta Barbara, CA 93105Phone: (805) 569-7315Fax: (805) 569-8358
- 601 N Caroline St # 3150Baltimore, MD 21287-0006Phone: (818) 571-3122
- 601 N Caroline St # 3150Baltimore, MD 21287-0006Phone: (818) 571-3122
Registry dates
- Enumerated
- 2016-08-12
- Last updated
- 2021-08-23
- Certified
- 2021-08-23
Frequently asked questions
- What is Andrew Ong's NPI number?
- Andrew Ong's National Provider Identifier (NPI) is 1780138289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Ong's specialty?
- Andrew Ong is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Ong located?
- Andrew Ong's practice location on file with NPPES is 757 Westwood Plz, Los Angeles, CA 90095-0006.
- What is Andrew Ong's phone number?
- The practice phone number listed in the NPPES registry for Andrew Ong is (310) 301-6800.
- Does Andrew Ong accept Medicare?
- Andrew Ong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Ong's NPI active?
- Yes — Andrew Ong's NPI (1780138289) is active in the NPPES registry as of the last update on 2021-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.