Mitchel Kohnen, PA-C
NPI 1427418417ActiveIndividual· Physician Assistant· Washington, MO
Physician Assistant (PA-C) with Mercy Clinic Surgical Specialists LLC, practicing in Washington, Missouri. 203 Medicare patients in 2024, $29,005 paid; nearly all of their 164 Part D prescriptions were generic (93%). Stryker Corporation was the largest of 7 companies reporting payments in 2025, $374.02 in all, mostly food and beverage. Lists Mercy Hospital St Louis and 1 other hospital as hospital affiliations.
Overview
| NPI | 1427418417 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 3, 2016 |
| Last updated in NPPES | Jun 21, 2024 |
| Certified by provider | Jun 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2016006624 | 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 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 - Physician Assistant (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 203 |
|---|---|
| Services billed | 2,427 across 33 procedure codes |
| Paid by Medicare | $29,005 |
Part D prescriptions in 2024
| Prescriptions (claims) | 164 · 164 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $4,141 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Mercy Clinic Surgical Specialists LLCSaint Louis, MO · 182 clinicians
Hospital affiliations
- Mercy Hospital St LouisSaint Louis, MO
- Mercy Hospital WashingtonWashington, MO
Industry payments (Open Payments)
- 2025$374.02 · 9 payments from 7 companies
- 2024$70.39 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $241.60 | 3 |
| Depuy Synthes Sales Inc. | $35.26 | 1 |
| Elite Orthopedics, LLC | $26.02 | 1 |
| Vertex Pharmaceuticals Incorporated | $22.75 | 1 |
| Smith+nephew, Inc. | $18.90 | 1 |
What the 2025 payments were for
- Food and Beverage$374.02 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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