William Carl Rivera, CRNA
NPI 1205995529ActiveIndividual· Nurse Anesthetist, Certified Registered· Concord, NH
Nurse Anesthetist, Certified Registered (CRNA) with Anesthesia Company LLC, practicing in Concord, New Hampshire. Medicare paid $30,711 for services to 244 patients in 2024. Takeda Pharmaceuticals U.S.A., Inc. reported $25.37 in payments in 2025, mostly food and beverage. Lists Atlantic General Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1205995529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | Yes |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Dec 30, 2023 |
| Certified by provider | Dec 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 084359-23 | NH |
| Nurse Anesthetist, Certified Registered | 367500000X | RN59997 | DC |
| Nurse Anesthetist, Certified Registered | 367500000X | R115089 | MD |
| Nurse Anesthetist, Certified Registered | 367500000X | 0024165528 | VA |
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) (DC); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (MD); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (NH); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 244 |
|---|---|
| Services billed | 248 across 22 procedure codes |
| Paid by Medicare | $30,711 |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Anesthesia Company LLCPrince Frederick, MD · 378 clinicians
Hospital affiliations
- Atlantic General HospitalBerlin, MD
- Tidalhealth Nanticoke, Inc.Seaford, DE
- Tidalhealth Peninsula Regional, IncSalisbury, MD
Industry payments (Open Payments)
- 2025$25.37 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $25.37 | 1 |
What the 2025 payments were for
- Food and Beverage$25.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 nurse anesthetists in Concord · All nurse anesthetists in New Hampshire