#1Clarity Dermatology, PLLC
Serves this area from CO
Clinical Research Sites in Castle Rock, CO
The top-ranked clinical research sites serving Castle Rock, CO are Clarity Dermatology, PLLC, Denver Hip & Knee, Inc. and Orthopedic Centers of Colorado. We list 145 clinical research sites serving Castle Rock, CO. 30 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 Castle Rock, CO (Douglas County). 145 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked clinical research sites for Castle Rock
#2Denver Hip & Knee, Inc.
Serves this area from Parker, CO (8 mi)#3Orthopedic Centers of Colorado
Serves this area from Parker, CO (8 mi)#4Beauty by Buford
Serves this area from Lone Tree, CO (11 mi)#5Colorado Center for Reproductive Medicine
Serves this area from Lone Tree, CO (11 mi)#6Kaiser Permanente-Lone Tree
Serves this area from Lone Tree, CO (11 mi)#7Lone Tree Medical Center
Serves this area from Lone Tree, CO (11 mi)#8Rocky Mountain Cancer
Serves this area from Lone Tree, CO (11 mi)#9Rocky Mountain Cancer Center
Serves this area from Lone Tree, CO (11 mi)#10Rocky Mountain Cancer Centers
Serves this area from Lone Tree, CO (11 mi)
20 more providers serving this area
- Rocky Mountain Cancer Centers,10107 Ridge Gate Parkway, Lone Tree, CO (11 mi)
- Rocky Mountain Cancer Centers,2030 Mountain View Ave Ste 210, Lone Tree, CO (11 mi)
- Rocky Mountain Cancer Centers-Sky Ridge, Lone Tree, CO (11 mi)
- Sky Ridge Medical Center, Lone Tree, CO (11 mi)
- UCHealth Lone Tree Health Center, Lone Tree, CO (11 mi)
- UCHealth Lone Tree Medical Center, Lone Tree, CO (11 mi)
- Urology Associates of Denver, Lone Tree, CO (11 mi)
- AdventHealth Parker, CO
- Parker Adventist Hospital, CO
- Rocky Mountain Cancer Centers-Parker, CO
- IMMUNOe Health and Research Centers, Inverness, CO (14 mi)
- IMMUNOe International Research Centers - Centennial- Site Number : 8400049, Inverness, CO (14 mi)
- IMMUNOe Research Centers, Inverness, CO (14 mi)
- Radiology Imaging Associates, Inverness, CO (14 mi)
- Rocky Mountain Cancer Centers - Centennial, Inverness, CO (14 mi)
- Rocky Mountain Cancer Centers, LLP, Inverness, CO (14 mi)
- Rocky Mt Ped and Endo, Inverness, CO (14 mi)
- Steadman Hawkins Clinic Denver, Inverness, CO (14 mi)
- UCHealth Steadman Hawkins Clinic Inverness, Inverness, CO (14 mi)
- Highlands Ranch Hospital, Highlands Ranch, CO (15 mi)
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Frequently asked questions
How many clinical research sites serve Castle Rock?
We list 145 clinical research sites serving Castle Rock, CO: 0 based there and 145 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which clinical research sites serve Castle Rock?
The top-ranked clinical research sites serving Castle Rock, CO are Clarity Dermatology, PLLC, Denver Hip & Knee, Inc., Orthopedic Centers of Colorado, Beauty by Buford and Colorado Center for Reproductive Medicine. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Castle Rock are verified against official records?
10 of the top 10 match an active official record: Clarity Dermatology, PLLC (ClinicalTrials.gov), Denver Hip & Knee, Inc. (ClinicalTrials.gov), Orthopedic Centers of Colorado (ClinicalTrials.gov), Beauty by Buford (ClinicalTrials.gov) and Colorado Center for Reproductive Medicine (ClinicalTrials.gov), and 5 more on this page. 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 .