Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Johnson Liou, MD

Individual provider Diagnostic Radiology Physician · NPI 1942285143

Johnson Liou, MD practises Diagnostic Radiology in Atlanta, Georgia. Graduated from Emory University School of Medicine in 1985, 41 years ago. Practices with Radiology Associates of Atlanta PA, a 40-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
41
Trained at
Emory University School of Medicine
Licensed in
GA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1968 Peachtree Rd NW
Atlanta, GA 30309-1281 Not confirmed with CMS for 13 years — call before visiting
Phone: (404) 605-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 31063 (GA)

Record details

NPI number1942285143
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 9, 2005
Last updated in NPPESOctober 18, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolEMORY UNIVERSITY SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Radiology Associates Of Atlanta Pa — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients1,772
Services billed 2,232 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Piedmont Eastside Medical Center Hospital · Snellville, GA
  • Piedmont Hospital, Inc Hospital · Atlanta, GA

Colleagues at Radiology Associates of Atlanta PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 40 clinicians in the practice; 12 are shown here.

Other providers in Atlanta