The first great physician was Hippocrates, a Greek who lived almost 2,500 years ago. He developed theories about the practice of medicine and the anatomy of the human body, but Hippocrates is remembered today for a set of medical ethics that continues to influence medical practice. The oath that he administered to his disciples is still administered to physicians about to start practice. His 87 treatises on medicine, known as the Hippocratic Collection, are believed to be the first authoritative record of early medical theory and practice. Hippocratic physicians believed in the theory that health was maintained by a proper balance of four "humors" in the body: blood, phlegm, black bile, and yellow bile.
Since the time of ancient Greece, as you might imagine, there have been many advances in the medical field: the development of organized clinical instruction, vaccinations, sterilization procedures, and instruments such as the stethoscope, to name a few. In addition to these advances, the medical profession also saw the development of specialists, doctors who concentrate their work in specific areas such as surgery, psychiatry, internal medicine, or allergies and immunology.
- Addiction Therapists
- Advanced Practice Nurses
- Aerospace Medicine Physicians
- Anesthesiologist Assistants
- Anesthesiologists
- Behavioral Health Technicians
- Biomedical Equipment Technicians
- Cancer Exercise Specialists
- Cardiologists
- Cardiovascular Technologists
- Child Life Specialists
- Chiropractors
- Clinical Applications Specialists
- Clinical Nurse Specialists
- Clinical Pharmacist Practitioners
- Community Health Nurses
- Community Health Workers
- Contact Tracers
- Cosmetic Surgeons
- Creative Arts Therapists
- Critical Care Nurses
- Cytogenetic Technologists
- Cytotechnologists
- Dental Assistants
- Dental Hygienists
- Dental Laboratory Technicians
- Dental Therapists
- Dentists
- Dermatologists
- Diagnostic Medical Sonographers
- Dialysis Technicians
- Dietetic Technicians
- Dietitians
- Directors of Telehealth
- Dispensing Opticians
- Ear, Nose, and Throat Specialists
- Electroneurodiagnostic Technologists
- Emergency Medical Technicians
- Emergency Nurses
- Endocrinologists
- Endodontists
- Endoscopy Technicians
- Epidemiologists
- Ergonomists
- Gastroenterologists
- General Practitioners
- Genetic Counselors
- Geriatric Nurses
- Geriatric Psychiatrists
- Geriatric Social Workers
- Geriatricians
- Grief Therapists
- Health Advocates
- Health Educators
- Health Informaticists
- Hematologists
- Histologic Technicians
- Holistic Physicians
- Home Health Care Aides
- Home Health Care and Hospice Nurses
- Hospice Workers
- Hospitalists
- Industrial-Organizational Psychologists
- Informatics Nurse Specialists
- Kinesiologists
- Licensed Practical Nurses
- Medical Assistants
- Medical Laboratory Technicians
- Medical Screeners
- Medical Scribes
- Medical Technologists
- Microbiologists
- Music Therapists
- Naturopaths
- Neonatal Nurses
- Neurologists
- Neuropsychologists and Clinical Neuropsychologists
- Neuroscientists
- Nuclear Medicine Physicians
- Nuclear Medicine Technologists
- Nurse Anesthetists
- Nurse Assistants
- Nurse Managers
- Nurse Practitioners
- Nurse-Midwives
- Nutritionists
- Obstetricians/Gynecologists
- Occupational Health Nurses
- Occupational Therapists
- Occupational Therapy Assistants and Aides
- Oncological Nurses
- Oncologists
- Ophthalmic Laboratory Technicians
- Ophthalmic Medical Technologists
- Ophthalmologists
- Optometrists
- Oriental Medicine Practitioners
- Orientation and Mobility Specialists
- Orthodontists
- Orthoptists
- Orthotic and Prosthetic Technicians
- Orthotists and Prosthetists
- Osteopathic Physicians
- Pathologists
- Pediatricians
- Pedorthists
- Perfusionists
- Periodontists
- Pharmacists
- Pharmacologists
- Pharmacy Technicians
- Phlebotomy Technicians
- Physiatrists
- Physical Therapists
- Physical Therapy Assistants
- Physician Assistants
- Physicians
- Podiatrists
- Preventive Medicine Physicians
- Prosthodontists
- Psychiatric Nurses
- Psychiatric Technicians
- Psychiatrists
- Psychologists
- Radiologic Technologists
- Radiologists
- Recreational Therapists
- Registered Nurses
- Remote Health Care Engineers
- Respiratory Technicians
- Respiratory Therapists
- School Nurses
- Senior Care Pharmacists
- Social Workers
- Special Procedures Technologists
- Speech-Language Pathologists and Audiologists
- Speech-Language Pathology Assistants
- Sports Physicians
- Sports Psychologists
- Surgeons
- Surgical Technologists
- Toxicologists
- Transplant Coordinators
- Urologists