Search › Wisconsin › 207X00000X
David Nilsen, D.O
NPI 1588811244 · on the registry since 2008
Practice
- Address
- 557 N Washington St
Janesville, WI 53548 - Phone
- (608) 754-6000
- Organisation at this address
- Mercy Health System Corporation
Inferred from a shared address, not stated in the registry.
- Clinicians at this address
- 76
Additional practice sites
- N2950 State Road 67, Lake Geneva, WI
Registry record
- Primary taxonomy
- 207X00000X
207X00000X
- Also registered as
- 207X00000X
207X00000X
207X00000X - Licence states on file
- PA, AZ, WI
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-06-22
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Wisconsin