Nathan W. Balk, CRNA
NPI 1578914503ActiveIndividual· Nurse Anesthetist, Certified Registered· Green Bay, WI
Nurse Anesthetist, Certified Registered (CRNA) with Bellin Memorial Hospital Inc and 4 other groups, practicing in Green Bay, Wisconsin. Medicare paid $10,150 for services to 74 patients in 2024. Pacira Pharmaceuticals Incorporated reported $110.94 in payments in 2025, mostly food and beverage. Lists Aurora Baycare Medical Ctr as a hospital affiliation.
Overview
| NPI | 1578914503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Jun 30, 2016 |
| Last updated in NPPES | Apr 21, 2026 |
| Certified by provider | Apr 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 7656-33 | WI |
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) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 78 across 33 procedure codes |
| Paid by Medicare | $10,150 |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Bellin Memorial Hospital IncGreen Bay, WI · 697 clinicians
- Baycare Clinic LLPGreen Bay, WI · 200 clinicians
- Osms Anesthesia LLCNeenah, WI · 21 clinicians
- Anesthesia Services of the Fox Valley SCAppleton, WI · 16 clinicians
- Anesthesiology Associates of Sheboygan, Ltd.Sheboygan, WI · 10 clinicians
Hospital affiliation
- Aurora Baycare Medical CtrGreen Bay, WI
Industry payments (Open Payments)
- 2025$110.94 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pacira Pharmaceuticals Incorporated | $110.94 | 1 |
What the 2025 payments were for
- Food and Beverage$110.94 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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