Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Knobbs Dialysis LLC

Organization End-Stage Renal Disease (ESRD) Treatment Clinic/Center · NPI 1417354218

Knobbs Dialysis LLC is an End-Stage Renal Disease (ESRD) Treatment Clinic/Center in Siren, Wisconsin. Registered with an NPI since 2014.

In the registry since
2014
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

24670 State Road 35 70 Ste 100
Siren, WI 54872-4419
Phone: (715) 349-4220
Fax: (715) 349-4224
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

End-Stage Renal Disease (ESRD) Treatment Clinic/Center (primary) Taxonomy 261QE0700X

Record details

NPI number1417354218
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Winstel — Chief Accounting Officer · (253) 733-4501
Other names Siren Dialysis; Siren Dialysis
NPI enumeratedNovember 24, 2014
Last updated in NPPESAugust 10, 2021
Certification dateAugust 10, 2021
Mailing address5200 Virginia Way, L&C Dept, Brentwood, TN 37027-7569

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