George Gianakopoulos, M.D.
NPI 1407832082 · Infectious Disease Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Gianakopoulos, M.D. is a Infectious Disease Physician provider in Columbus, OH (NPI 1407832082).
Provider details
- NPI number
- 1407832082
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-05-4445 (OH)
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
86 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 40 | $129 |
| Telephone Or Internet Assessment With Verbal and Written Report By Consulting Physician, 11-20 Minutes99447 | 25 | $36 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 21 | $78 |
Typical Medicare-allowed amounts for these services range $36–$129 (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
- 2005-12-15
- Last updated
- 2022-01-05
Frequently asked questions
- What is George Gianakopoulos's NPI number?
- George Gianakopoulos's National Provider Identifier (NPI) is 1407832082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Gianakopoulos's specialty?
- George Gianakopoulos is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is George Gianakopoulos located?
- George Gianakopoulos's practice location on file with NPPES is 3555 Olentangy River Rd, Columbus, OH 43214-3912.
- What is George Gianakopoulos's phone number?
- The practice phone number listed in the NPPES registry for George Gianakopoulos is (614) 788-5200.
- Does George Gianakopoulos accept Medicare?
- George Gianakopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Gianakopoulos's NPI active?
- Yes — George Gianakopoulos's NPI (1407832082) is active in the NPPES registry as of the last update on 2022-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.