Ervin Denham, MD
NPI 1881658193ActiveIndividual· Surgery· Evanston, IL
Surgery (MD) in Evanston, Illinois, trained at University of Louisville School of Medicine (class of 1993). 239 Medicare patients in 2024, $62,024 paid; nearly all of their 169 Part D prescriptions were generic (98%). Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $534.31 in all, mostly food and beverage.
Overview
| NPI | 1881658193 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 13, 2006 |
| Last updated in NPPES | Jan 22, 2021 |
| Certified by provider | Jan 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 036103113 | IL |
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 - General Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 376 across 44 procedure codes |
| Paid by Medicare | $62,024 |
Part D prescriptions in 2024
| Prescriptions (claims) | 169 · 198 30-day fills |
|---|---|
| Patients | 111 |
| Total drug cost | $3,738 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Louisville School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | General Surgery |
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$534.31 · 10 payments from 4 companies
- 2024$777.02 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $311.36 | 6 |
| W. L. Gore & Associates, Inc. | $145.97 | 2 |
| Boston Scientific Corporation | $53.10 | 1 |
| Merck Sharp & Dohme LLC | $23.88 | 1 |
What the 2025 payments were for
- Food and Beverage$534.31 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Evanston
- 1144288689
- 1194220921
- 1588731244
- 1134174758
- 1275160145
- 1093980872
- 1497620504
- 1396321881
- 1316384258
- 1518123280
- 1790040988
- 1992333439