John Francis Gadwood, CRNA
NPI 1669758835ActiveIndividual· Nurse Anesthetist, Certified Registered· Hillsdale, MI
Nurse Anesthetist, Certified Registered (CRNA) with Challenge Anesthesia Staffing LLC, practicing in Hillsdale, Michigan. Medicare paid $12,135 for services to 66 patients in 2024. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $38.89 in all, mostly food and beverage. Lists Hillsdale Hospital as a hospital affiliation.
Overview
| NPI | 1669758835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | Yes |
| NPI issued | Nov 1, 2011 |
| Last updated in NPPES | Nov 1, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 4704239550 | MI |
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 - Certified Registered Nurse Anesthetist (CRNA) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 92 across 42 procedure codes |
| Paid by Medicare | $12,135 |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Challenge Anesthesia Staffing LLCHillsdale, MI · 22 clinicians
Hospital affiliation
- Hillsdale HospitalHillsdale, MI
Industry payments (Open Payments)
- 2025$38.89 · 2 payments from 2 companies
- 2024$66.10 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $22.38 | 1 |
| Olympus America Inc. | $16.51 | 1 |
What the 2025 payments were for
- Food and Beverage$38.89 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Anesthetist, Certified Registered providers in Hillsdale
- 1376138511
- 1275302051
- 1144677139
- 1750042677
- 1679138325
- 1245552561
- 1588641229
- 1609226638
- 1467888941
All Nurse Anesthetist, Certified Registered providers in Michigan →