#1Duluth Clinic Ashland
Serves this area from WI
Clinical Research Sites in Bayfield County, WI
The top-ranked clinical research sites serving Bayfield County, WI are Duluth Clinic Ashland, Northwest Wisconsin Cancer Center and Essentia Health-Hayward Clinic. We list 5 clinical research sites serving Bayfield County, WI. 5 of the providers shown match an active record from ClinicalTrials.gov, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Clinical Research Sites serving Bayfield County, WI. 5 providers, 5 of the top 5 verified against federal or state records. Registry records checked on 2026-11-04.
Top 5 ranked clinical research sites for Bayfield County
| # | Provider | Verified records | Based in | Phone |
|---|---|---|---|---|
| 1 | Duluth Clinic Ashland | Site on 145 active studies registered on ClinicalTrials.gov | WI | — |
| 2 | Northwest Wisconsin Cancer Center | Site on 93 active studies registered on ClinicalTrials.gov | WI | — |
| 3 | Essentia Health-Hayward Clinic | Site on 52 active studies registered on ClinicalTrials.gov | WI | — |
| 4 | Tamarack Health Hayward Medical Center | Site on 22 active studies registered on ClinicalTrials.gov | WI | — |
| 5 | Essentia Health Saint Mary's Hospital - Superior | Site on 60 active studies registered on ClinicalTrials.gov | WI | — |
#2Northwest Wisconsin Cancer Center
Serves this area from WI#3Essentia Health-Hayward Clinic
Serves this area from WI#4Tamarack Health Hayward Medical Center
Serves this area from WI#5Essentia Health Saint Mary's Hospital - Superior
Serves this area from WI
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Frequently asked questions
How many clinical research sites serve Bayfield County?
We list 5 clinical research sites serving Bayfield County, WI: 0 based there and 5 serving it from nearby. 5 of the top 5 match an active federal or state record, checked on 2026-11-04.
Which clinical research sites serve Bayfield County?
The top-ranked clinical research sites serving Bayfield County, WI are Duluth Clinic Ashland, Northwest Wisconsin Cancer Center, Essentia Health-Hayward Clinic, Tamarack Health Hayward Medical Center and Essentia Health Saint Mary's Hospital - Superior. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Bayfield County are verified against official records?
5 of the top 5 match an active official record: Duluth Clinic Ashland (ClinicalTrials.gov), Northwest Wisconsin Cancer Center (ClinicalTrials.gov), Essentia Health-Hayward Clinic (ClinicalTrials.gov), Tamarack Health Hayward Medical Center (ClinicalTrials.gov) and Essentia Health Saint Mary's Hospital - Superior (ClinicalTrials.gov). Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
How do sponsors judge a research site?
Common checks are enrollment history in the indication, experienced coordinators, IRB arrangements, start-up time and data quality. ClinicalTrials.gov shows which studies a site has been listed on.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Communities served
Washburn, Iron River, Bayfield, Cable, Drummond, Port Wing, Herbster, Grand View, Mason, Cornucopia