John Edward Mason, M.D.
NPI 1275528580ActiveIndividual· Surgery· Chesterfield, MO
Surgery (M.D.) in Chesterfield, Missouri, trained at Washington University School of Medicine (class of 1993). 214 Medicare patients in 2024, $80,959 paid; nearly all of their 86 Part D prescriptions were generic (93%). Medtronic, Inc. was the largest of 7 companies reporting payments in 2025, $337.52 in all, mostly food and beverage.
Overview
| NPI | 1275528580 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 13, 2005 |
| Last updated in NPPES | Feb 26, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 104004 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 214 |
|---|---|
| Services billed | 488 across 73 procedure codes |
| Paid by Medicare | $80,959 |
Part D prescriptions in 2024
| Prescriptions (claims) | 86 · 86 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $3,802 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | General Surgery |
Medical group
- St Lukes Medical GroupChesterfield, MO · 16 clinicians
Hospital affiliation
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$337.52 · 10 payments from 7 companies
- 2024$1,012 · 19 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $182.99 | 4 |
| Baxter Healthcare | $33.01 | 1 |
| Kerecis Limited | $29.66 | 1 |
| Ethicon US, LLC | $28.19 | 1 |
| Aroa Biosurgery Incorporated | $23.61 | 1 |
What the 2025 payments were for
- Food and Beverage$337.52 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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