OrganizationActive
The Duluth Clinic, Ltd
NPI 1083889554 · End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Superior, WI
Provider details
- NPI number
- 1083889554
- Entity type
- Organization
- Primary specialty
- End-Stage Renal Disease (ESRD) Treatment Clinic/CenterAmbulatory Health Care Facilities
- Parent organization
- St. Mary'S Duluth Clinic Health System
- Organization subpart
- Yes
- Authorized official
- John Smylie, Cao(218) 786-2656
Specialties & taxonomies
Ambulatory Health Care Facilities
- Nephrology Physician207RN0300X
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3500 Tower Ave
Superior, WI 54880-5335
Phone: (715) 395-2199
Street-level locationGet directions
Mailing address
3500 Tower Ave
Superior, WI 54880-5335
Other names (DBA / former)
- Doing business as
- Duluth Clinic at Fresenius Superior Dialysis Unit
Registry dates
- Enumerated
- 2008-04-25
- Last updated
- 2010-04-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.