Marshall Ashby, C.R.N.A.
NPI 1154437671ActiveIndividual· Nurse Anesthetist, Certified Registered· Mattoon, IL
Nurse Anesthetist, Certified Registered (C.R.N.A.) in Mattoon, Illinois, trained at George Washington University School of Medicine (class of 1994). Medicare paid $33,457 for services to 207 patients in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 4 companies reporting payments in 2025, $97.75 in all, mostly food and beverage.
Overview
| NPI | 1154437671 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | C.R.N.A. |
| Sole proprietor | No |
| NPI issued | Aug 21, 2006 |
| Last updated in NPPES | Jul 25, 2024 |
| Certified by provider | Jul 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 209003331 | 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 - Certified Registered Nurse Anesthetist (CRNA) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 210 across 34 procedure codes |
| Paid by Medicare | $33,457 |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Sarah Bush Lincoln Health CenterAltamont, IL · 419 clinicians
Hospital affiliation
- Sarah Bush Lincoln Health CenterMattoon, IL
Industry payments (Open Payments)
- 2025$97.75 · 5 payments from 4 companies
- 2024$22.62 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $41.65 | 2 |
| Merck Sharp & Dohme LLC | $25.12 | 1 |
| Pacira Pharmaceuticals Incorporated | $15.87 | 1 |
| Ferring Pharmaceuticals Inc. | $15.11 | 1 |
What the 2025 payments were for
- Food and Beverage$97.75 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 nurse anesthetists in Mattoon · All nurse anesthetists in Illinois