Michelle A. Griggs, CRNA
NPI 1578886669ActiveIndividual· Nurse Anesthetist, Certified Registered· Gulfport, MS
Nurse Anesthetist, Certified Registered (CRNA) with State of Mississippi - University of Mississippi Medical Center and 4 other groups, practicing in Gulfport, Mississippi. Medicare paid $20,286 for services to 163 patients in 2024. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $97.28 in all, mostly food and beverage. Lists Avala and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1578886669 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Mar 4, 2010 |
| Last updated in NPPES | Jul 28, 2026 |
| Certified by provider | Jul 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 880855 | MS |
| Nurse Anesthetist, Certified Registered | 367500000X | AP06012 | LA |
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) (LA); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 167 across 21 procedure codes |
| Paid by Medicare | $20,286 |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- State of Mississippi - University of Mississippi Medical CenterJackson, MS · 965 clinicians
- Louisiana State University School of Medicine in New Orleans Faculty GNew Orleans, LA · 447 clinicians
- Zephyr Anesthesia LLCLa Place, LA · 158 clinicians
- Anesthesiology Group Associates IncBaton Rouge, LA · 155 clinicians
- Galleria Anesthesia Associates, LLCCovington, LA · 35 clinicians
Hospital affiliations
- AvalaCovington, LA
- University Medical Center New OrleansNew Orleans, LA
- University of Mississippi Med CenterJackson, MS
Industry payments (Open Payments)
- 2025$97.28 · 5 payments from 3 companies
- 2024$50.47 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $58.81 | 3 |
| Heron Therapeutics, Inc. | $23.79 | 1 |
| Pacira Pharmaceuticals Incorporated | $14.68 | 1 |
What the 2025 payments were for
- Food and Beverage$97.28 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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