| National Jewish Health | National Jewish Health |
| Porter Adventist Hospital | Porter Adventist Hospital |
| Presbyterian - Saint Lukes Medical Center - Health One | Presbyterian - Saint Lukes Medical Center - Health One |
| SCL Health Saint Joseph Hospital | SCL Health Saint Joseph Hospital |
| Denver Health Medical Center | Denver Health Medical Center |
| Rose Medical Center | Rose Medical Center |
| Colorado Blood Cancer Institute | Colorado Blood Cancer Institute |
| CCOP - Colorado Cancer Research Program | CCOP - Colorado Cancer Research Program |
| University of Colorado Health Sciences Center | University of Colorado Health Sciences Center |
| Rocky Mountain Cancer Centers-Midtown | Rocky Mountain Cancer Centers-Midtown |
| Rocky Mountain Cancer Centers-Rose | Rocky Mountain Cancer Centers-Rose |
| Denver VA Medical Center | Denver VA Medical Center |
| Veterans Affairs Medical Center - Denver | Veterans Affairs Medical Center - Denver |
| Rocky Mountain Hospital for Children-Presbyterian Saint Luke's Medical Center | Rocky Mountain Hospital for Children-Presbyterian Saint Luke's Medical Center |
| The Women's Imaging Center | The Women's Imaging Center |
| Kaiser Permanente-Franklin | Kaiser Permanente-Franklin |
| National Jewish Health-Main Campus | National Jewish Health-Main Campus |
| The Urology Center of Colorado | The Urology Center of Colorado |
| Cancer Center of Colorado at Sloan's Lake | Cancer Center of Colorado at Sloan's Lake |
| Sarah Cannon Research Institute at HealthONE | Sarah Cannon Research Institute at HealthONE |
| Western Surgical Care | Western Surgical Care |
| Denver Public Health CRS | Denver Public Health CRS |
| Children's Hospital Cancer Center | Children's Hospital Cancer Center |
| Denver Nephrologists, PC | Denver Nephrologists, PC |
| Denver Arthritis Clinic | Denver Arthritis Clinic |
| Kaiser Permanente Colorado | Kaiser Permanente Colorado |
| Colorado Allergy and Asthma Centers | Colorado Allergy and Asthma Centers |
| Sarah Cannon Research Institute | Sarah Cannon Research Institute |
| Mile High Research Center | Mile High Research Center |
| Colorado Medical Research Center, Inc. | Colorado Medical Research Center, Inc. |
| Mountain View Clinical Research Inc. | Mountain View Clinical Research Inc. |
| Denver CPCRA / Denver Public Hlth | Denver CPCRA / Denver Public Hlth |
| Colorado Joint Replacement | Colorado Joint Replacement |
| Urology Associate PC' | Urology Associate PC' |
| Creekside Endocrine Associates, PC | Creekside Endocrine Associates, PC |
| Kaiser Permanente - Denver | Kaiser Permanente - Denver |
| Genitourinary Surgical Consultants | Genitourinary Surgical Consultants |
| Denver Infectious Diseases Consultants CRS | Denver Infectious Diseases Consultants CRS |
| Planned Parenthood of the Rocky Mountains | Planned Parenthood of the Rocky Mountains |
| Regis University | Regis University |
| Childhood Hematology/Oncology Associates | Childhood Hematology/Oncology Associates |
| Rocky Mountain Blood and Marrow Transplant Program | Rocky Mountain Blood and Marrow Transplant Program |
| University of Denver | University of Denver |
| Denver Internal Medicine Group | Denver Internal Medicine Group |
| Mile High Oncology | Mile High Oncology |
| Kaiser Permanente Colorado Institute for Health Research | Kaiser Permanente Colorado Institute for Health Research |
| Center for Human Nutrition | Center for Human Nutrition |
| Sarah Cannon/Colorado Blood Cancer Institute | Sarah Cannon/Colorado Blood Cancer Institute |
| Rocky Mountain Pediatric Gastroenterology | Rocky Mountain Pediatric Gastroenterology |
| Western Orthopaedics | Western Orthopaedics |
| Denver Neurological Research | Denver Neurological Research |
| Eastside Family Health Ctr. CRS | Eastside Family Health Ctr. CRS |
| Denver Heart | Denver Heart |
| National Jewish Health and University of Colorado Denver | National Jewish Health and University of Colorado Denver |
| Centura Health Research Center | Centura Health Research Center |
| Comprehensive Women's Health Center | Comprehensive Women's Health Center |
| Denver Arthritis Clinic - Lowry | Denver Arthritis Clinic - Lowry |
| Denver International Spine Center, Rocky Mountain Hospital for Children and Presbyterian St. Luke's Medical Center | Denver International Spine Center, Rocky Mountain Hospital for Children and Presbyterian St. Luke's Medical Center |
| Denver Neurological Clinic | Denver Neurological Clinic |
| Bonfils Blood Center | Bonfils Blood Center |
| Denver Health Division of Hospital Medicine - Main Campus | Denver Health Division of Hospital Medicine - Main Campus |
| UCHealth - Cherry Creek | UCHealth - Cherry Creek |
| National Jewish Health: Division of Pediatric Allergy and Clinical Immunology | National Jewish Health: Division of Pediatric Allergy and Clinical Immunology |
| Kidney Associates of Colorado | Kidney Associates of Colorado |
| Donor Alliance | Donor Alliance |
| Velocity Clinical Research, Denver | Velocity Clinical Research, Denver |
| Mental Health Center of Denver | Mental Health Center of Denver |
| Diabetic Foot & Wound Center | Diabetic Foot & Wound Center |
| Cherry Creek Dermatology | Cherry Creek Dermatology |
| Denver Public Health Dept / Disease Control Services | Denver Public Health Dept / Disease Control Services |
| Cherry Creek Family Practice | Cherry Creek Family Practice |
| Advanced Orthopedic and Sports Medicine Specialists | Advanced Orthopedic and Sports Medicine Specialists |
| HealthONE | HealthONE |
| Cypress Hematology/Oncology | Cypress Hematology/Oncology |
| Pharmatech Oncology Inc | Pharmatech Oncology Inc |
| Denver Health Rocky Mountain Poison and Drug Center | Denver Health Rocky Mountain Poison and Drug Center |
| Colorado Permanente Medical Group, P.C. | Colorado Permanente Medical Group, P.C. |
| InFocus Clinical Research | InFocus Clinical Research |
| Vascular Institute of the Rockies | Vascular Institute of the Rockies |
| Denver Nephrology Research | Denver Nephrology Research |
| US Oncology - Rocky Mountain Cancer Centers - Midtown | US Oncology - Rocky Mountain Cancer Centers - Midtown |
| HealthONE Clinic Services Oncology-Hematology | HealthONE Clinic Services Oncology-Hematology |
| Mountain Mind | Mountain Mind |
| The Children's Hospital Cardiac Care Center | The Children's Hospital Cardiac Care Center |
| Denver Research Institute | Denver Research Institute |
| Online Digital Mental Health Clinic | Online Digital Mental Health Clinic |
| Barolat Neuroscience | Barolat Neuroscience |
| Colorado Pulmonary Associates | Colorado Pulmonary Associates |
| Online | Online |
| University of Colorado at Denver and Health Sciences Center General Clinical Research Center | University of Colorado at Denver and Health Sciences Center General Clinical Research Center |
| APEX Family Medicine CRS | APEX Family Medicine CRS |
| Denver CARES | Denver CARES |
| South Denver ENT and Allergy | South Denver ENT and Allergy |
| Comprehensive Breast Care of Denver | Comprehensive Breast Care of Denver |
| Denver Health, Westside Clinic | Denver Health, Westside Clinic |
| Centura Health | Centura Health |
| Project Safe | Project Safe |
| 20th Avenue Medical Center Kaiser Permanente | 20th Avenue Medical Center Kaiser Permanente |
| National Jewish Health Interstitial Lung Disease Program | National Jewish Health Interstitial Lung Disease Program |
| Hand Surgery Associates, PC | Hand Surgery Associates, PC |
| Trial Information Support Line | Trial Information Support Line |
| University of Colorado - Sports Medicine | University of Colorado - Sports Medicine |