Raymon Najib Zaya, MD
NPI 1467943308ActiveIndividual· Internal Medicine· Niles, IL
Internal Medicine (MD) with Endeavor Health Medical Group, practicing in Niles, Illinois. Their prescriptions cost Medicare Part D more than their services did: $197,217 for 2,251 claims, against $63,529 paid for services in 2024. Lists Northshore University Healthsystem - Evanston Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1467943308 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2018 |
| Last updated in NPPES | Apr 3, 2025 |
| Certified by provider | Apr 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036156874 | IL |
| Internal Medicine | 207R00000X | 125.072366 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 789 across 29 procedure codes |
| Paid by Medicare | $63,529 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,251 · 5,731 30-day fills |
|---|---|
| Patients | 303 |
| Total drug cost | $197,217 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Internal Medicine |
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)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 internal medicine physicians in Niles · All internal medicine physicians in Illinois