Mary L. Castro, CRNA
NPI 1699755595ActiveIndividual· Nurse Anesthetist, Certified Registered· Greenwood, SC
Nurse Anesthetist, Certified Registered (CRNA) with Prisma Health University Medical Group, practicing in Greenwood, South Carolina. Medicare paid $12,335 for services to 199 patients in 2024. Peerless Surgical Inc. reported $40.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1699755595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Jan 18, 2006 |
| Last updated in NPPES | Jan 24, 2022 |
| Certified by provider | Jan 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | R74419 | SC |
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) (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 210 across 21 procedure codes |
| Paid by Medicare | $12,335 |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Prisma Health University Medical GroupGreenville, SC · 2,493 clinicians
Industry payments (Open Payments)
- 2025$40.55 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Peerless Surgical Inc. | $40.55 | 1 |
What the 2025 payments were for
- Food and Beverage$40.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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