National Specialty Society Associations URL
Allergy and Immunology
American Academy of Allergy Asthma & Immunology
American Academy of Otolaryngic Allergy
American College of Allergy, Asthma & Immunology
Anatomic/Clinical Pathology (Disease Analysis)
American Society for Clinical Pathology
American Society of Cytopathology
College of American Pathologists
United States & Canadian Academy of Pathology
Anesthesiology (Sedated for Surgery)
American Society of Anesthesiologists
Cardiology/Cardiovascular Disease (Heart & Blood Vessels)
American College of Cardiology
American College of Chest Physicians
Cardiovascular Surgery/Thoracic Surgery (Heart Surgery)
American College of Surgeons
American Association for Thoracic Surgery
American Thoracic Society
Society of Vascular Surgery
Society of Thoracic Surgeons
Child and Adolescent Psychiatry (Youth Mental Help)
American Academy of Child & Adolescent Psychiatry
Dermatology (Skin Care)
American Academy of Dermatology
American Society for Dermatologic Surgery
Society of Investigative Dermatology
Emergency Medicine
American College of Emergency Physicians
Society of Critical Care Medicine
Endocrinology (Glands)
American Association of Clinical Endocrinologists
The Endocrine Society
Family Practice 
American Academy of Family Physicians
Fertility / Infertility (Reproduction)
American Society for Reproductive Medicine
Gastroenterology (Digestive System)
American College of Gastroenterology
American Gastroenterological Association
American Society for Gastrointestinal Endoscopy
American Society of Colon and Rectal Surgeons
Society of American Gastrointestinal Endoscopic Surgeons
General Surgery
American College of Surgeons
American Society of Abdominal Surgeons
American Society of General Surgeons
American Military Srugeons of the United States
International College of Surgeons United States Section
Society of Laparoendoscopic Surgeons
Geriatrics (Elder/Old Age Care)
American Geriatrics Society
Hematology/Oncology (Cancer Care)
American Society of Clinical Oncology
American Society of Hematology
Infectious Diseases
Infectious Disease Society of America
Internal Medicine/General Practice/Preventive Care
American Academy of Hospice & Palliative Medicine
American Academy of Sleep Medicine
American College of Medical Genetics
American College of Preventive Medicine
American Society of Bariatric Physicians
Neurological Surgery (Surgery of the Nervous System)
American College of Surgeons
American Association of Neurological Surgeons
Congress of Neurological Surgeons
Neurology (Nervous System) 
American Academy of Neurology
American Association of Neuromuscular and Electrodiagnostic Medicine
American Clinical Neurophysiology Society
International Spine Intervention Society
North American Spine Society
Nuclear Medicine (Disease Research – Cancer, etc.)
American College of Nuclear Medicine
American College of Nuclear Physicians
Society of Nuclear Medicine
Obstetrics and Gynecology (Female Care)
American College of Surgeons
American Association of Gynecologic Laparoscopists
American Congress of Obstetricians and Gynecologists
Ophthalmology (Eye & Vision Care) 
Amercian College of Surgeons
American Academy of Ophthalmology
American Society of Cataract and Refractive Surgery
American Society of Ophthalmic Plastic and Reconstructive Surgery
American Society of Retina Specialists
Contact Lens Association of Ophthalmologists
Renal Physicians Association
Orthopaedics / Orthopaedic Surgery (Bones, Joints, Muscles & Spine)
American College of Surgeons
Amercian Academy of Orthopaedic Surgeons
American Association for Hand Surgery
American Association of Hip & Knee Surgeons
American Orthopaedic Association
American Orthopaedic Foot and Ankle Society
American Society for Surgery of the Hand
Otolaryngology (Ear, Nose & Throat)
American Collge of Surgeons
American Academy of Otolaryngology – Head and Neck Surgery
The Triological Society
Pain Management
American Academy of Pain Medicine
American Society of Addiction Medicine
Pediatrics (Children) 
American Academy of Pediatrics
American Pediatric Surgical Association
Physcial Medicine & Rehabilitation
American Academy of Physical Medicine & Rehabilitation
Plastic Surgery 
American College of Surgeons
American Academy of Facial Plastic and Reconstructive Surgery
American Association of Plastic Surgeons
American Society for Aesthetic Plastic Surgery
American Society of Maxillofacial Surgeons
American Society of Plastic Surgeons
Psychiatry (Mental Help)
American Psychiatric Association
Public Health Management, Occupational Medicine, misc.
American Academy of Insurance Medicine
American Academy of Pharmaceutical Physicians
American Association of Public Health Physicians
American College of Medical Quality
American College of Occupational and Environmental Medicine
American Association for Physician Leadership
American College of Physicians
American Medical Directors Association (Now The Society for
Post-Acute and Long-Term Care Medicine)
American Medical Group Association
National Association of Medical Examiners
National Medical Association
Society of Medical Consultants to the Armed Forces
Aerospace Medical Association
Radiology – Diagnostic/Oncology (X-Ray/Imaging)
American College of Radiation Oncology
American College of Radiology
American Institute of Ultrasound in Medicine
American Roentgen Ray Society
American Society for Therapeutic Radiology and Oncology
American Society of Neuroimaging
American Society of Neuroradiology
Association of University Radiologists
Radiological Society of North America
Society of Interventional Radiology
Society of Radiologists in Ultrasound
Rheumatology (Arthritis)
American College of Rheumatology
Urology (Bladder/Prostate Urinary)
American College of Surgeons
American Association of Clinical Urologists
American Urological Association