Katherine Ann Lewinski, D.O.
NPI 1114108727ActiveIndividual· Internal Medicine· Glenview, IL
Internal Medicine (D.O.) in Glenview, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $294,605 for 5,669 claims, against $114,037 paid for services in 2024. Axsome Therapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $125.15 in all, mostly food and beverage.
Overview
| NPI | 1114108727 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Nov 26, 2007 |
| Last updated in NPPES | Jul 27, 2026 |
| Certified by provider | Jul 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 125-050857 | 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 | 426 |
|---|---|
| Services billed | 1,706 across 30 procedure codes |
| Paid by Medicare | $114,037 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,669 · 13,873 30-day fills |
|---|---|
| Patients | 501 |
| Total drug cost | $294,605 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Covenant Medical Group, LLCGlenview, IL · 8 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Swedish HospitalChicago, IL
Other facilities
- Residential Home HealthHome health agency · Northbrook, IL
- Vi at the GlenNursing home · Glenview, IL
Industry payments (Open Payments)
- 2025$125.15 · 5 payments from 3 companies
- 2024$14.60 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $61.95 | 2 |
| Sanofi Pasteur Inc. | $45.40 | 2 |
| Glaxosmithkline, LLC. | $17.80 | 1 |
What the 2025 payments were for
- Food and Beverage$125.15 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 internal medicine physicians in Glenview · All internal medicine physicians in Illinois