Ryan Clifton Calp, RN
NPI 1215522800ActiveIndividual· Nurse Anesthetist, Certified Registered· Greenville, SC
Nurse Anesthetist, Certified Registered (RN) in Greenville, South Carolina, trained at University of South Carolina School of Medicine (class of 2021). Medicare paid $14,542 for services to 99 patients in 2024. Merck Sharp & Dohme LLC was the largest of 6 companies reporting payments in 2025, $255.39 in all, mostly food and beverage.
Overview
| NPI | 1215522800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN |
| Sole proprietor | No |
| NPI issued | Mar 4, 2021 |
| Last updated in NPPES | Dec 28, 2021 |
| Certified by provider | Dec 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 25001 | SC |
| Registered Nurse | 163W00000X | 232972 | 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 | 99 |
|---|---|
| Services billed | 113 across 45 procedure codes |
| Paid by Medicare | $14,542 |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Prisma Health University Medical GroupGreenville, SC · 2,493 clinicians
Hospital affiliation
- Prisma Health Greenville Memorial HospitalGreenville, SC
Industry payments (Open Payments)
- 2025$255.39 · 11 payments from 6 companies
- 2024$25.74 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $61.15 | 3 |
| Masimo Corporation | $59.48 | 2 |
| Medtronic, Inc. | $46.61 | 2 |
| Abiomed | $41.09 | 2 |
| Fisher & Paykel Healthcare Inc | $26.57 | 1 |
What the 2025 payments were for
- Food and Beverage$255.39 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Anesthetist, Certified Registered providers in Greenville
- 1386918795
- 1073289450
- 1427901107
- 1730495490
- 1588717540
- 1003466012
- 1215359369
- 1396313250
- 1518981349
- 1063198240
- 1992371165
- 1386613099
All Nurse Anesthetist, Certified Registered providers in South Carolina →