Johnson Liou, MD
NPI 1942285143 · Diagnostic Radiology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johnson Liou, MD is a Diagnostic Radiology Physician provider in Atlanta, GA (NPI 1942285143).
Provider details
- NPI number
- 1942285143
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 31063 (GA)
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
20 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
1,894 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 | 325 | $8 |
| Mri Scan of Arm Joint Without Contrast73221 | 276 | $62 |
| Mri Scan of Leg Joint Without Contrast73721 | 265 | $62 |
| Ct Scan Head Or Brain Without Contrast70450 | 134 | $38 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 95 | $68 |
| X-Ray of Abdomen, 1 View74018 | 68 | $8 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-09
- Last updated
- 2012-10-18
Frequently asked questions
- What is Johnson Liou's NPI number?
- Johnson Liou's National Provider Identifier (NPI) is 1942285143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnson Liou's specialty?
- Johnson Liou is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Johnson Liou located?
- Johnson Liou's practice location on file with NPPES is 1968 Peachtree Rd Nw, Atlanta, GA 30309-1281.
- What is Johnson Liou's phone number?
- The practice phone number listed in the NPPES registry for Johnson Liou is (404) 605-5000.
- Does Johnson Liou accept Medicare?
- Johnson Liou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johnson Liou's NPI active?
- Yes — Johnson Liou's NPI (1942285143) is active in the NPPES registry as of the last update on 2012-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.