Andrew Jay Dennis, D.O.
NPI 1194842005ActiveIndividual· Surgery· Chicago, IL
Surgery (D.O.) with Cook County, practicing in Chicago, Illinois. Medicare paid $4,151 for services to 33 patients in 2024. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $1,701 in all, mostly consulting fees. Lists John H Stroger Jr Hospital as a hospital affiliation.
Overview
| NPI | 1194842005 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 23, 2007 |
| Last updated in NPPES | Apr 22, 2021 |
| Certified by provider | Apr 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 036-103279 | IL |
| Surgery, Trauma Surgery | 2086S0127X | 036-103297 | IL |
| Surgery, Surgical Critical Care | 2086S0102X | 036-103279 | 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 - General Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 33 |
|---|---|
| Services billed | 48 across 11 procedure codes |
| Paid by Medicare | $4,151 |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Cook CountyChicago, IL · 788 clinicians
Hospital affiliation
- John H Stroger Jr HospitalChicago, IL
Industry payments (Open Payments)
- 2025$1,701 · 4 payments from 2 companies
- 2024$6,442 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $1,686 | 3 |
| Ethicon US, LLC | $14.95 | 1 |
What the 2025 payments were for
- Consulting Fee$1,125 · 1 payment
- Travel and Lodging$428.84 · 1 payment
- Food and Beverage$147.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Chicago
- 1013336734
- 1023039674
- 1033342548
- 1033342837
- 1033416151
- 1083789853
- 1104093202
- 1104111400
- 1104116847
- 1104137231
- 1124049473
- 1134426539
All 622 general surgeons in Chicago · All general surgeons in Illinois