Ioannis Economou, M.D.
NPI 1194935494ActiveIndividual· Internal Medicine, Gastroenterology· Glenview, IL
Internal Medicine, Gastroenterology (M.D.) with Endeavor Health Medical Group, practicing in Glenview, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,404,006 for 545 claims, against $46,944 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $2,618 in all, mostly consulting fees. Lists Northshore University Healthsystem - Evanston Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1194935494 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Jun 17, 2024 |
| Certified by provider | Jun 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036-144111 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 278165 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IL); Practitioner - Gastroenterology (NJ); Practitioner - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 307 |
|---|---|
| Services billed | 590 across 38 procedure codes |
| Paid by Medicare | $46,944 |
Part D prescriptions in 2024
| Prescriptions (claims) | 545 · 928 30-day fills |
|---|---|
| Patients | 229 |
| Total drug cost | $1,404,006 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$2,618 · 15 payments from 3 companies
- 2024$182.63 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $2,454 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $153.66 | 9 |
| Janssen Pharmaceuticals, Inc | $10.48 | 1 |
What the 2025 payments were for
- Consulting Fee$2,100 · 1 payment
- Food and Beverage$507.43 · 13 payments
- Education$10.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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