John Harold Hammett
NPI 1982809687ActiveIndividual· Nurse Anesthetist, Certified Registered· Jackson, MS
Nurse Anesthetist, Certified Registered with State of Mississippi - University of Mississippi Medical Center and 1 other group, practicing in Jackson, Mississippi. Medicare paid $9,782 for services to 100 patients in 2024. Merck Sharp & Dohme LLC reported $63.96 in payments in 2025, mostly food and beverage. Lists St Dominic-Jackson Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1982809687 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jun 20, 2007 |
| Last updated in NPPES | Dec 22, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | R860386 | 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 | 100 |
|---|---|
| Services billed | 103 across 43 procedure codes |
| Paid by Medicare | $9,782 |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- State of Mississippi - University of Mississippi Medical CenterJackson, MS · 965 clinicians
- Physicians Anesthesia Group, P.A.Jackson, MS · 55 clinicians
Hospital affiliations
- St Dominic-Jackson Memorial HospitalJackson, MS
- University of Mississippi Med CenterJackson, MS
Industry payments (Open Payments)
- 2025$63.96 · 4 payments from 1 company
- 2024$15.36 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $63.96 | 4 |
What the 2025 payments were for
- Food and Beverage$63.96 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse anesthetists in Jackson
- 1003146606
- 1013647247
- 1023104288
- 1053951194
- 1073578084
- 1073937876
- 1083327258
- 1093130312
- 1104556331
- 1134752371
- 1144793191
- 1154420925
All 175 nurse anesthetists in Jackson · All nurse anesthetists in Mississippi