George Kontogiannis, MD
NPI 1821590274 · Internal Medicine Physician · Fort Riley, KS
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Kontogiannis, MD is a Internal Medicine Physician provider in Fort Riley, KS (NPI 1821590274).
Provider details
- NPI number
- 1821590274
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01082759A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-01
- Last updated
- 2021-07-26
- Certified
- 2021-07-26
Frequently asked questions
- What is George Kontogiannis's NPI number?
- George Kontogiannis's National Provider Identifier (NPI) is 1821590274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Kontogiannis's specialty?
- George Kontogiannis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is George Kontogiannis located?
- George Kontogiannis's practice location on file with NPPES is 650 Huebner Rd, Fort Riley, KS 66442-4030.
- What is George Kontogiannis's phone number?
- The practice phone number listed in the NPPES registry for George Kontogiannis is (301) 319-0451.
- Does George Kontogiannis accept Medicare?
- George Kontogiannis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Kontogiannis's NPI active?
- Yes — George Kontogiannis's NPI (1821590274) is active in the NPPES registry as of the last update on 2021-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.