George Kallianos, M.D.
NPI 1093793325 · Diagnostic Radiology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Kallianos, M.D. is a Diagnostic Radiology Physician provider in Atlanta, GA (NPI 1093793325).
Provider details
- NPI number
- 1093793325
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 028420 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
3,443 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 | 694 | $8 |
| X-Ray of Chest, 2 Views71046 | 228 | $10 |
| X-Ray of Abdomen, 1 View74018 | 177 | $8 |
| X-Ray of Chest, 2 Views71046 | 160 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 131 | $37 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 122 | $25 |
| Ct Scan of Chest Without Contrast71250 | 113 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-06
- Last updated
- 2019-06-11
Frequently asked questions
- What is George Kallianos's NPI number?
- George Kallianos's National Provider Identifier (NPI) is 1093793325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Kallianos's specialty?
- George Kallianos is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is George Kallianos located?
- George Kallianos's practice location on file with NPPES is 1000 Johnson Ferry Rd, Atlanta, GA 30342.
- What is George Kallianos's phone number?
- The practice phone number listed in the NPPES registry for George Kallianos is (404) 851-6323.
- Does George Kallianos accept Medicare?
- George Kallianos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Kallianos's NPI active?
- Yes — George Kallianos's NPI (1093793325) is active in the NPPES registry as of the last update on 2019-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.