Quick answers
- Which hospitals does Nathan W. Balk work at?
- Medicare's official clinician data lists Nathan W. Balk at 1 hospital: Aurora BayCare Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan W. Balk see patients?
- Medicare's clinician data lists 7 practice locations, including Neenah, WI, Green Bay, WI and Sheboygan, WI. Call before your visit to confirm the address.
- What is Nathan W. Balk's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Nathan W. Balk accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan W. Balk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Nathan W. Balk?
- (920) 430-8113, as listed in official Medicare / NPI Registry data.
- What is Nathan W. Balk's NPI number?
- 1578914503. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathan W. Balk works
Medicare's Facility Affiliation Data lists Nathan W. Balk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora BayCare Medical CenterGreen Bay, WI · Acute Care Hospital · CCN 520193
Practice locations
Addresses where Nathan W. Balk is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1205 W American DrNeenah, WI 54956 (920) 430‑8113
- 2223 Lime Kiln Rd, Suite 1Green Bay, WI 54311 (920) 965‑9517
- 2845 Greenbrier RdGreen Bay, WI 54311 (920) 288‑4930
- 3100 Superior AveSheboygan, WI 53081 (920) 459‑8300
- 4648 W Spencer StAppleton, WI 54914 (920) 731‑7557
Group practices
Medicare enrollment lists Nathan W. Balk as a member of these groups (CMS data updated 2026-10-02).
- Bellin Memorial Hospital Inc697 clinicians in the group
- BayCare Clinic LLP200 clinicians in the group
- Osms Anesthesia LLC21 clinicians in the group
- Anesthesia Services of the Fox Valley SC16 clinicians in the group
- Anesthesiology Associates of Sheboygan, Ltd.10 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Wisconsin →
Other nurse anesthetists in Neenah
Clinicians with the same Medicare primary specialty in Neenah, WI — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578914503 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians