John Castles Acheson, MD
NPI 1205528726ActiveIndividual· Surgery· Chicago, IL
Surgery (MD) in Chicago, Illinois, licensed in IL, with an NPI issued in May 2023. Enrolled in Medicare as order and referring only - general surgery. Stryker Corporation was the largest of 9 companies reporting payments in 2025, $4,080 in all, mostly food and beverage.
Overview
| NPI | 1205528726 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2023 |
| Last updated in NPPES | May 24, 2023 |
| Certified by provider | May 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 125.082114 | 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 Order and Referring Only - General Surgery (IL) |
|---|
Industry payments (Open Payments)
- 2025$4,080 · 56 payments from 9 companies
- 2024$1,651 · 23 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $2,526 | 29 |
| Cook Medical LLC | $550.58 | 7 |
| Boston Scientific Corporation | $478.86 | 12 |
| W. L. Gore & Associates, Inc. | $294.64 | 3 |
| Penumbra, Inc. | $130.73 | 1 |
What the 2025 payments were for
- Food and Beverage$3,433 · 55 payments
- Travel and Lodging$646.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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