Alessondra Margen Villegas Ferrentino
NPI 1750081154ActiveIndividual· Nurse Anesthetist, Certified Registered· Charleston, SC
Nurse Anesthetist, Certified Registered with Trident Anesthesia Group LLC, practicing in Charleston, South Carolina. Medicare paid $1,954 for services to 19 patients in 2024. Heron Therapeutics, Inc. reported $26.20 in payments in 2025, mostly food and beverage. Lists Trident Medical Center as a hospital affiliation.
Overview
| NPI | 1750081154 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 6, 2023 |
| Last updated in NPPES | Mar 24, 2026 |
| Certified by provider | Mar 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 29635 | SC |
| Nurse Anesthetist, Certified Registered | 367500000X | 712873-01 | NY |
| Registered Nurse | 163W00000X | 712873-01 | NY |
| Nurse Anesthetist, Certified Registered | 367500000X | 26NJ14859100 | NJ |
| Registered Nurse | 163W00000X | 26NR18440300 | NJ |
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) (NJ); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (NY); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 20 across 10 procedure codes |
| Paid by Medicare | $1,954 |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Trident Anesthesia Group LLCCharleston, SC · 119 clinicians
Hospital affiliation
- Trident Medical CenterCharleston, SC
Industry payments (Open Payments)
- 2025$26.20 · 1 payment from 1 company
- 2024$16.73 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heron Therapeutics, Inc. | $26.20 | 1 |
What the 2025 payments were for
- Food and Beverage$26.20 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 360 nurse anesthetists in Charleston · All nurse anesthetists in South Carolina