Teresa McKenzie, MD
NPI 1366488033ActiveIndividual· Internal Medicine· River Forest, IL
Internal Medicine (MD) in River Forest, Illinois, trained at Chicago College of Medicine and Surgery (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $254,015 for 2,810 claims, against $26,520 paid for services in 2024. Lilly USA, LLC reported $13.77 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1366488033 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 21, 2006 |
| Last updated in NPPES | Jan 15, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036076673 | 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 | 69 |
|---|---|
| Services billed | 373 across 25 procedure codes |
| Paid by Medicare | $26,520 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,810 · 6,151 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $254,015 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Loyola Gottlieb Memorial HospitalMelrose Park, IL
- Loyola University Medical CenterMaywood, IL
- Rush Oak Park HospitalOak Park, IL
- Rush University Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$13.77 · 1 payment from 1 company
- 2024$99.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $13.77 | 1 |
What the 2025 payments were for
- Food and Beverage$13.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 internal medicine physicians in River Forest · All internal medicine physicians in Illinois