Karen S. Johnson, CRNA
NPI 1053327940ActiveIndividual· Nurse Anesthetist, Certified Registered· Knoxville, TN
Nurse Anesthetist, Certified Registered (CRNA) with Physynergy LLC, practicing in Knoxville, Tennessee. Medicare paid $10,528 for services to 129 patients in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 2 companies reporting payments in 2025, $60.41 in all, mostly food and beverage. Lists Crestwood Medical Center as a hospital affiliation.
Overview
| NPI | 1053327940 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 049475 | TN |
| Nurse Anesthetist, Certified Registered | 367500000X | 1-045249 | AL |
| Registered Nurse | 163W00000X | 109439 | TN |
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) (AL); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 129 |
|---|---|
| Services billed | 129 across 34 procedure codes |
| Paid by Medicare | $10,528 |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Physynergy LLCHuntsville, AL · 49 clinicians
Hospital affiliation
- Crestwood Medical CenterHuntsville, AL
Industry payments (Open Payments)
- 2025$60.41 · 4 payments from 2 companies
- 2024$75.32 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $44.61 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $15.80 | 1 |
What the 2025 payments were for
- Food and Beverage$60.41 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Anesthetist, Certified Registered providers in Knoxville
- 1912696808
- 1245279777
- 1275084386
- 1356717227
- 1568622413
- 1366624967
- 1689816365
- 1275823049
- 1073619466
- 1740594365
- 1649249657
- 1942454624
All Nurse Anesthetist, Certified Registered providers in Tennessee →