Leslie Hamm Sivley, CRNA
NPI 1578231593ActiveIndividual· Nurse Anesthetist, Certified Registered· Oxford, MS
Nurse Anesthetist, Certified Registered (CRNA) with North Mississippi Medical Center, Inc. and 4 other groups, practicing in Oxford, Mississippi. Medicare paid $20,828 for services to 164 patients in 2024. Merck Sharp & Dohme LLC reported $26.64 in payments in 2025, mostly food and beverage. Lists Baptist Memorial Hospital North Ms and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578231593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Sep 3, 2021 |
| Last updated in NPPES | Jun 9, 2026 |
| Certified by provider | Jun 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 901733 | MS |
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) (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 164 |
|---|---|
| Services billed | 170 across 47 procedure codes |
| Paid by Medicare | $20,828 |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- North Mississippi Medical Center, Inc.Tupelo, MS · 366 clinicians
- Lifelinc Anesthesia PLLCColumbus, MS · 179 clinicians
- Gastroenterology Center of the Midsouth PLLCJackson, TN · 149 clinicians
- Willow Anesthesia Services LLCOxford, MS · 55 clinicians
- Tupelo Anesthesia Group, PATupelo, MS · 34 clinicians
Hospital affiliations
- Baptist Memorial Hospital North MsOxford, MS
- North Mississippi Medical CenterTupelo, MS
Industry payments (Open Payments)
- 2025$26.64 · 1 payment from 1 company
- 2024$53.37 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $26.64 | 1 |
What the 2025 payments were for
- Food and Beverage$26.64 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 nurse anesthetists in Oxford · All nurse anesthetists in Mississippi