Mary McNeill Johnson, RN
NPI 1679408678ActiveIndividual· Registered Nurse, Critical Care Medicine· Columbia, SC
Registered Nurse, Critical Care Medicine (RN) in Columbia, South Carolina, licensed in NC, with an NPI issued in June 2026. 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 | 1679408678 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN |
| Sole proprietor | No |
| NPI issued | Jun 13, 2026 |
| Last updated in NPPES | Jun 13, 2026 |
| Certified by provider | Jun 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Registered Nurse, Critical Care Medicine Primary | 163WC0200X | 367451 | NC |
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 Kathleen Johnson · Nurse/Nurses Aide | 1128b4 | Sep 10, 1992 | Columbia, 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
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