George Coritsidis, MD
NPI 1003855610 · Nephrology Physician · Elmhurst, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Coritsidis, MD is a Nephrology Physician provider in Elmhurst, NY (NPI 1003855610).
Provider details
- NPI number
- 1003855610
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 163705 (NY)
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
231 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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 112 | $55 |
| Critical Care, First 30-74 Minutes99291 | 63 | $236 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 39 | $87 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 17 | $89 |
Typical Medicare-allowed amounts for these services range $55–$236 (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
- 2006-06-06
- Last updated
- 2008-01-16
Frequently asked questions
- What is George Coritsidis's NPI number?
- George Coritsidis's National Provider Identifier (NPI) is 1003855610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Coritsidis's specialty?
- George Coritsidis is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is George Coritsidis located?
- George Coritsidis's practice location on file with NPPES is 7901 Broadway, Elmhurst, NY 11373-1329.
- What is George Coritsidis's phone number?
- The practice phone number listed in the NPPES registry for George Coritsidis is (718) 334-4952.
- Does George Coritsidis accept Medicare?
- George Coritsidis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Coritsidis's NPI active?
- Yes — George Coritsidis's NPI (1003855610) is active in the NPPES registry as of the last update on 2008-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.