Andrew Chong, M.D.
NPI 1114451598 · General Practice Physician · Downey, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Chong, M.D. is a General Practice Physician provider in Downey, CA (NPI 1114451598).
Provider details
- NPI number
- 1114451598
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A157757 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
68 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 | 44 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 13 | $40 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 11 | $89 |
Typical Medicare-allowed amounts for these services range $9–$89 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-12
- Last updated
- 2025-12-15
- Certified
- 2025-12-15
Frequently asked questions
- What is Andrew Chong's NPI number?
- Andrew Chong's National Provider Identifier (NPI) is 1114451598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Chong's specialty?
- Andrew Chong is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Chong located?
- Andrew Chong's practice location on file with NPPES is 9333 Imperial Hwy, Downey, CA 90242-2812.
- What is Andrew Chong's phone number?
- The practice phone number listed in the NPPES registry for Andrew Chong is (833) 574-2273.
- Does Andrew Chong accept Medicare?
- Andrew Chong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Chong's NPI active?
- Yes — Andrew Chong's NPI (1114451598) is active in the NPPES registry as of the last update on 2025-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.