NPI age
20 years
Enumerated 2006-01-06
● Active
Type 1 · Individual
George A Kallianos, M.D.
Kallianos is 1 of 381 radiology providers in Atlanta and 1 of 1280 in Georgia.
Primary specialty
Radiology
Plus 2 subspecialties
Licensed in
GA, DC
2 states
Status
Active
No deactivations on record
Last NPPES update
2019-06-11
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1280 active radiology providers in Georgia.
NPI age
20 years
≈ at median (19 yr)
State licenses
2 states
Top 78% — 21% of peers are multi-state
Subspecialties
1
In the 38% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-01Enumerated in NPPES
2006
2026
Where they practice
Practice location
1000 Johnson Ferry Rd
Atlanta, GA 30342
Mailing address
5605 Glenridge Dr Ste 325
Atlanta, GA 303421365
Specialties
-
Radiology PrimaryA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
-
SpecialistAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (GA) | 000428502A | |
| 05 (GA) | 000428502F |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 362 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new radiology provider has been added in Atlanta in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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