Mary Parks Anderson, RN, CRNA
Nurse Anesthetist, Certified Registered (RN, CRNA) in Greenwood, South Carolina, trained at University of South Carolina School of Medicine (class of 2020). Medicare paid $15,681 for services to 174 patients in 2024. Merck Sharp & Dohme LLC reported $16.71 in payments in 2025, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1053947192 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, CRNA |
| Sole proprietor | No |
| NPI issued | Mar 20, 2020 |
| Last updated in NPPES | Mar 15, 2024 |
| Certified by provider | Mar 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 23951 | SC |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in South Carolina, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Mary Anderson | 1128a1 | Jul 31, 1986 | Greer, SC |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| 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 | 174 |
|---|---|
| Services billed | 176 across 54 procedure codes |
| Paid by Medicare | $15,681 |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Self Medical GroupGreenwood, SC · 395 clinicians
Hospital affiliation
- Self Regional HealthcareGreenwood, SC
Industry payments (Open Payments)
- 2025$16.71 · 1 payment from 1 company
- 2024$103.63 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $16.71 | 1 |
What the 2025 payments were for
- Food and Beverage$16.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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