Membership in the Ad Hoc Group is construed as endorsement of the group's annual funding recommendation for the NIH. The following organizations endorsed the Ad Hoc Group proposal in at least one of the years FY 2003 - 2005.
 

• Academic Health Centers Clinical Research Forum
• Academic Orthopaedic Society
• Academic Health Sciences Libraries
• Academy of Clinical Laboratory Physicians and Scientists
• Academy of Radiology Research
• Administrators of Internal Medicine
• Albany Medical College
• Albert Einstein College of Medicine
• Alliance for Academic Internal Medicine
• Alliance for Aging Research
• Alliance of Professors of Medicine
• Alzheimer's Association
• Ambulatory Pediatric Association
• American Academy of Allergy, Asthma and Immunology
• American Academy of Child and Adolescent Psychiatry
• American Academy of Dermatology Association
• American Academy of Neurology
• American Academy of Ophthalmology
• American Academy of Orthopaedic Surgeons
• American Academy of Otolaryngology - Head and Neck Surgery
• American Academy of Pediatrics
• American Academy of Physical Medicine and Rehabilitation
• American Association for Dental Research
• American Association for Health Freedom
• American Association for the Study of Liver Disease
• American Association for the Surgery of Trauma
• American Association for Thoracic Surgery
• American Association of Anatomists
• American Association of Colleges of Nursing
• American Association of Colleges of Osteopathic Medicine
• American Association of Colleges of Pharmacy
• American Association of Neurological Surgeons
• American Board of Obstetrics and Gynecology
• American Chemical Society
• American College of Asthma, Allergy and Immunology
• American College of Cardiology
• American College of Clinical Pharmacology
• American College of Clinical Pharmacy
• American College of Medical Genetics
• American College of Neuropsychopharmacology
• American College of Obstetricians and Gynecologists
• American College of Preventive Medicine
• American College of Radiology
• American College of Rheumatology
• American College of Surgeons
• American Dental Education Association
• American Federation for Medical Research
• American Foundation for AIDS Research
• American Gastroenterological Association
• American Geriatrics Society
• American Heart Association
• American Institute for Stuttering
• American Liver Foundation
• American Lung Association
• American Osteopathic Association
• American Pain Foundation
• American Pediatric Society
• American Pharmaceutical Association
• The American Physiological Society
• American Psychiatric Association
• American Psychological Association
• American Psychological Society
• American Society for Biochemistry and Molecular Biology
• American Society for Bone and Mineral Research
• American Sociological Association
• The American Society for Cell Biology
• American Society for Clinical Nutrition
• American Society for Clinical Pharmacology and Therapeutics
• American Society of Human Genetics
• American Society for Microbiology
• American Society for Nutrition
• American Society for Pediatric Nephrology
• American Society for Pharmacology and Experimental Therapeutics
• American Society for Reproductive Medicine
• American Society for Virology
• American Society of Clinical Oncology
• American Society of Hematology
• American Society of Nephrology
• American Thoracic Society
• American Urogynecologic Society
• Americans for Medical Progress
• Arthritis Foundation
• Association of Academic Health Centers
• Association of Academic Health Sciences Libraries
• Association of Academic Physiatrists
• Association of Academic Chairs of Emergency Medicine
• Association of American Medical Colleges
• Association of American Universities
• Association of American Veterinary Medical Colleges
• Association of Chairs of Departments of Physiology
• Association of Departments of Family Medicine
• Association of General Clinical Research Centers Program Directors
• Association of Independent Research Institutes
• Association of Medical and Graduate Departments of Biochemistry
• Association of Medical School Microbiology and Immunology Chairs
• Association of Medical School Neuroscience Department Chairs
• Association of Medical School Pediatric Department Chairs
• Association of Medical School Pharmacology Chairs
• Association of Minority Health Professions Schools
• Association of Pathology Chairs
• Association of Professors for Human and Medical Genetics
• Association of Professors of Medicine
• Association of Program Directors in Internal Medicine
• Association of Schools and Colleges of Optometry
• Association of Subspecialty Professors
• Association of Teachers of Preventive Medicine
• Association of University Centers on Disabilities
• Association of University Professors of Neurology
• Association of University Professors of Ophthalmology
• Association of University Radiologists
• Association of Women's Health, Obstetric and Neonatal Nurses
• Asthma and Allergy Foundation of America
• Baylor College of Medicine
• The Biophysical Society
• Biotechnology Industry Organization
• Bone Coalition
• Boston University School of Medicine
• Boys Town National Research Hospital
• Brown Medical School
• California Institute of Technology
• Campaign for Medical Research
• Cedars-Sinai Health System
• Center for the Advancement of Health
• Central del Caribe School of Medicine
• Charles R. Drew University of Medicine and Science
• Children's Hospital and Regional Medical Center, Seattle, WA
• Christopher Reeve Paralysis Foundation
• Cincinnati Children's Research Foundation
• Clerkship Directors in Internal Medicine
• Cleveland Clinic Foundation
• Coalition for American Trauma Care
• Coalition for Health Funding
• Coalition for Health Services Research
• Coalition for the Advancement of Health Through Behavioral and Social Sciences Research
• Coalition of Heritable Disorders of Connective Tissue
• Coalition to Protect Research
• Conference of Boston Teaching Hospitals
• Consortium of Social Science Associations
• Cooley's Anemia Foundation
• Council of Graduate Schools
• Council of University Chairs of Obstetrics and Gynecology
• Creighton University
• Creighton University School of Medicine
• Crohn's and Colitis Foundation of America
• Cystic Fibrosis Foundation
• Delta Dental Plans
• Depression and Bipolar Support Alliance
• Digestive Disease National Coalition
• Duke University Medical Center
• Dystonia Medical Research Foundation
• East Carolina University, Brody School of Medicine
• East Tennessee State University College of Medicine
• Eastern Virginia Medical School
• Emory University School of Medicine
• Emory University Woodruff Health Sciences Center
• The Endocrine Society
• ESA, Inc.
• Federation of American Societies for Experimental Biology
• Federation of Behavioral, Psychological and Cognitive Sciences
• Finch University of Health Sciences/The Chicago Medical School
• First Candle/Sudden Infant Death Syndrome Alliance
• Florida State University College of Medicine
• FORUM
• Fox Chase Cancer Center
• Fred Hutchinson Cancer Research Center
• Friends of the National Institute of Dental and Craniofacial Research
• Friends of the National Library of Medicine
• Gay Men's Health Crisis
• General Clinical Research Centers Program Directors' Association
• Genetic Alliance
• The Genome Action Coalition
• The Gerontological Society of America
• Hemophilia Federation of America
• Hepatitis Foundation International
• H. Lee Moffitt Cancer Center and Research Institute
• Hospital for Special Surgery
• Indiana University School of Medicine
• INOVA Institute of Research and Education
• INOVA Health System
• International Foundation for Functional Gastrointestinal Disorders
• Immune Deficiency Foundation
• Jeffrey Modell Foundation
• Johns Hopkins Medicine
• The Johns Hopkins University
• Joint Council of Allergy, Asthma and Immunology
• Juvenile Diabetes Research Foundation
• Keck School of Medicine of the University of Southern California
• Lehigh Valley Hospital and Health Network
• Louisiana State University Health Sciences Center in New Orleans
• Louisiana State University Health Sciences Center in Shreveport
• Loyola University Health System, Stritch School of Medicine-Loyola University
• Magee-Women's Research Institute
• March of Dimes
• Massachusetts Institute of Technology
• Medical College of Georgia
• Medical College of Wisconsin
• Medical Library Association
• Meharry Medical College
• Memorial Health University Medical Center
• Memorial Sloan-Kettering Cancer Center
• Miami Heart Institute
• Morehouse School of Medicine
• Mountain States Health Alliance
• Mount Sinai Medical Center, Miami Beach, FL
• Mount Sinai Medical Center, New York, NY
• National Alliance for Eye and Vision Research
• National Alliance for the Mentally Ill
• National Alopecia Areata Foundation
• National Association for Biomedical Research
• National Association of Children's Hospitals
• National Association of State Universities and Land-Grant Colleges
• Heart Rhythm Society
• National Caucus of Basic Biomedical Science Chairs
• National Coalition for Osteoporosis and Related Bone Diseases
• National Eczema Association for Science and Education
• National Foundation for Ectodermal Dysplasias
• National Health Council
• National Kidney Foundation
• National Marfan Foundation
• National Multiple Sclerosis Society
• National Organization for Rare Disorders
• National Osteoporosis Foundation
• National Perinatal Association
• National Primate Research Center Directors
• National Sleep Foundation
• Nephcure Foundation
• Neuropathy Association
• New York State Cancer Programs Association, Inc.
• Northwestern University, The Feinberg School of Medicine
• NYU Hospitals Center
• NYU School of Medicine
• The Ohio State University
• Oregon Health Sciences University
• Orlando Regional Healthcare
• Orthopaedic Hospital of Los Angeles
• Osteogenesis Imperfecta Foundation
• The Paget Foundation
• Parkinson's Action Network
• Pennsylvania State University
• The Pennsylvania State University College of Medicine/The Milton S. Hershey Medical Center
• Ponce School of Medicine
• Population Association of America/Association of Population Centers
• The Protein Society
• Providence Health System - Oregon
• Pulmonary Hypertension Association
• PXE International, Inc.
• Research!America
• Research Society on Alcoholism
• RESOLVE: The National Infertility Association
• Rosalind Franklin University of Medicine and Science
• Roswell Park Cancer Institute
• Rush Medical College
• Scleroderma Research Foundation
• Scott and White Memorial Hospital
• Sjogren's Syndrome Foundation
• Society for Investigative Dermatology
• Society for Maternal-Fetal Medicine
• Society for Neuroscience
• Society for Pediatric Research
• Society for Vascular Surgery
• Society for Women's Health Research
• Society of Gynecologic Oncologists
• Society of Toxicology
• Society of University Otolaryngologists
• The Society of University Surgeons
• Southern Illinois University School of Medicine
• Stanford University School of Medicine
• State University of New York - Stony Brook
• St. Elizabeth's Medical Center, Boston, MA
• St. John Health System
• St. John's Hospital
• St. Jude Children's Research Hospital, Memphis, TN
• St. Luke's - Roosevelt Hospital Center
• Sudden Infant Death Syndrome Alliance
• Summa Health System
• TeenScreen
• Texas A&M University System Health Science Center
• Texas Tech University Health Sciences Center
• Thomas Jefferson University
• Tourette Syndrome Association, Inc.
• Tuberous Sclerosis Alliance
• Tufts - New England Medical Center
• UCLA Medical Center
• University Hospitals of Cleveland
• University of Alabama School of Medicine - UAB
• University of Arizona Health Sciences
• University of California
• University of California, Davis
• University of California, Davis School of Medicine
• University of California, Irvine
• University of California, San Francisco, School of Medicine
• The University of Chicago Hospitals and Health System
• University of Cincinnati
• University of Cincinnati Medical Center
• University of Colorado School of Medicine
• University of Connecticut Health Center
• University of Connecticut School of Medicine
• University of Florida Health Science Center
• University of Florida College of Medicine
• University of Florida Health Science Center
• University of Hawaii - John A. Burns School of Medicine
• University of Kansas School of Medicine
• University of Louisville School of Medicine
• University of Maryland School of Medicine
• UMDNJ - Robert Wood Johnson Medical School
• University of Minnesota Academic Health Center
• University of Minnesota
• University of Minnesota Medical School
• University of Missouri Health Care
• University of Missouri - Kansas City School of Medicine
• University of Nebraska Medical Center
• University of North Carolina
• University of North Carolina, Chapel Hill
• University of North Carolina School of Medicine
• University of Oklahoma College of Medicine
• University of Pennsylvania
• University of Pennsylvania School of Medicine
• University of Pittsburgh
• University of Puerto Rico School of Medicine, Medical Sciences Campus
• University of South Alabama College of Medicine
• University of South Carolina School of Medicine
• University of Southern California
• The University of Tennessee
• The University of Texas Health Science Center at San Antonio
• The University of Texas Health Science Center at Houston
• The University of Texas M.D. Anderson Cancer Center
• The University of Texas Medical School at Houston
• The University of Texas System
• University of Utah
• University of Vermont College of Medicine
• University of Virginia School of Medicine
• University of Washington
• University of Wisconsin - Madison
• Vanderbilt University Medical Center
• Virginia Commonwealth University
• Washington University School of Medicine in St. Louis
• West Islip Breast Cancer Coalition
• William Beaumont Hospital, Royal Oak, MI
• Wisconsin Association for Biomedical Research and Education
• Women and Infants' Hospital, Providence RI
• Women's Health Research Coalition
• Wright State University School of Medicine
• Yale University