George Antonopoulos, APRN
NPI 1326660069 · Family Nurse Practitioner · Willowbrook, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Antonopoulos, APRN is a Family Nurse Practitioner provider in Willowbrook, IL (NPI 1326660069).
Provider details
- NPI number
- 1326660069
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Male
- Sole proprietor
- Yes
- License
- 209.021305 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
303 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Injection of Chemical Agent Into Single Incompetent Vein of Leg Using Ultrasound Guidance36465 | 86 | $1,108 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 55 | $158 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 49 | $135 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 30 | $194 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $112 |
| Telephone Medical Discussion With Physician, 21-30 Minutes |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,279 across 31 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 7040 Centennial DrTinley Park, IL 60477-1649Phone: (708) 400-8063
Registry dates
- Enumerated
- 2020-05-16
- Last updated
- 2023-09-11
- Certified
- 2023-01-05
Frequently asked questions
- What is George Antonopoulos's NPI number?
- George Antonopoulos's National Provider Identifier (NPI) is 1326660069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Antonopoulos's specialty?
- George Antonopoulos is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is George Antonopoulos located?
- George Antonopoulos's practice location on file with NPPES is 40 75th St, Willowbrook, IL 60527-2325.
- What is George Antonopoulos's phone number?
- The practice phone number listed in the NPPES registry for George Antonopoulos is (561) 734-9003.
- Does George Antonopoulos accept Medicare?
- George Antonopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Antonopoulos's NPI active?
- Yes — George Antonopoulos's NPI (1326660069) is active in the NPPES registry as of the last update on 2023-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.