Todd Hyrum Chapman, CRNA
NPI 1184287781ActiveIndividual· Nurse Anesthetist, Certified Registered· Sierra Vista, AZ
Nurse Anesthetist, Certified Registered (CRNA) with Ascend Anesthesia LLC, practicing in Sierra Vista, Arizona. Medicare paid $67,220 for services to 583 patients in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $44.84 in all, mostly food and beverage.
Overview
| NPI | 1184287781 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | Yes |
| NPI issued | Apr 18, 2019 |
| Last updated in NPPES | Apr 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 225012 | AZ |
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) (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 583 |
|---|---|
| Services billed | 722 across 23 procedure codes |
| Paid by Medicare | $67,220 |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Ascend Anesthesia LLCPhoenix, AZ · 76 clinicians
Industry payments (Open Payments)
- 2025$44.84 · 2 payments from 2 companies
- 2024$98.29 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $25.39 | 1 |
| Vertex Pharmaceuticals Incorporated | $19.45 | 1 |
What the 2025 payments were for
- Food and Beverage$44.84 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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