Troy E. Stiefvater, CRNA
NPI 1164410544ActiveIndividual· Nurse Anesthetist, Certified Registered· Little Rock, AR
Nurse Anesthetist, Certified Registered (CRNA) with Asc Anesthesia PLLC, practicing in Little Rock, Arkansas. Medicare paid $19,899 for services to 163 patients in 2024. Phathom Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $127.38 in all, mostly food and beverage.
Overview
| NPI | 1164410544 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Oct 11, 2005 |
| Last updated in NPPES | Mar 28, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | C01310 | AR |
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) (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 200 across 12 procedure codes |
| Paid by Medicare | $19,899 |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Asc Anesthesia PLLCLittle Rock, AR · 6 clinicians
Industry payments (Open Payments)
- 2025$127.38 · 7 payments from 2 companies
- 2024$65.91 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $80.66 | 6 |
| Medtronic, Inc. | $46.72 | 1 |
What the 2025 payments were for
- Food and Beverage$127.38 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 314 nurse anesthetists in Little Rock · All nurse anesthetists in Arkansas