Michael D. Williamson, CRNA
NPI 1538417092ActiveIndividual· Nurse Anesthetist, Certified Registered· Chattanooga, TN
Nurse Anesthetist, Certified Registered (CRNA) with Bradley Anesthesia Services PC, practicing in Chattanooga, Tennessee. Medicare paid $12,455 for services to 82 patients in 2024. Pacira Pharmaceuticals Incorporated reported $27.96 in payments in 2025, mostly food and beverage. Lists Affiliate of Vitruvian Health as a hospital affiliation.
Overview
| NPI | 1538417092 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Aug 15, 2012 |
| Last updated in NPPES | Nov 17, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | APN16986 | TN |
| Registered Nurse | 163W00000X | RN145626 | TN |
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) (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 87 across 29 procedure codes |
| Paid by Medicare | $12,455 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Bradley Anesthesia Services PCCleveland, TN · 32 clinicians
Hospital affiliation
- Affiliate of Vitruvian HealthCleveland, TN
Industry payments (Open Payments)
- 2025$27.96 · 1 payment from 1 company
- 2024$19.71 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pacira Pharmaceuticals Incorporated | $27.96 | 1 |
What the 2025 payments were for
- Food and Beverage$27.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 366 nurse anesthetists in Chattanooga · All nurse anesthetists in Tennessee