Mark Walz, CRNA
NPI 1093119083ActiveIndividual· Nurse Anesthetist, Certified Registered· West Burlington, IA
Nurse Anesthetist, Certified Registered (CRNA) with Green Anesthesia Iowa PLLC, practicing in West Burlington, Iowa. Medicare paid $25,809 for services to 189 patients in 2024. Merck Sharp & Dohme LLC reported $19.32 in payments in 2025, mostly food and beverage. Lists Southeast Iowa Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1093119083 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Oct 20, 2014 |
| Last updated in NPPES | Oct 20, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | D124406 | IA |
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) (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 189 |
|---|---|
| Services billed | 225 across 48 procedure codes |
| Paid by Medicare | $25,809 |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Green Anesthesia Iowa PLLCWest Burlignton, IA · 17 clinicians
Hospital affiliation
- Southeast Iowa Regional Medical CenterWest Burlington, IA
Industry payments (Open Payments)
- 2025$19.32 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $19.32 | 1 |
What the 2025 payments were for
- Food and Beverage$19.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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