John Nicholas Kiriklakis, M.D.
NPI 1730189713ActiveIndividual· Internal Medicine· Vernon Hills, IL
Internal Medicine (M.D.) in Vernon Hills, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $344,325 for 6,110 claims, against $92,982 paid for services in 2024.
Overview
| NPI | 1730189713 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 29, 2005 |
| Last updated in NPPES | Feb 16, 2021 |
| Certified by provider | Feb 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-100938 | 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 | 402 |
|---|---|
| Services billed | 1,120 across 18 procedure codes |
| Paid by Medicare | $92,982 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,110 · 15,670 30-day fills |
|---|---|
| Patients | 562 |
| Total drug cost | $344,325 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Lake Forest HospitalLake Forest, IL
- Swedish HospitalChicago, IL
Other facilities
- Residential Home HealthHome health agency · Schaumburg, 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 21 internal medicine physicians in Vernon Hills · All internal medicine physicians in Illinois