Diagnose and provide non-surgical treatment of diseases and injuries of internal organ systems. Provide care mainly for adults who have a wide range of problems associated with the internal organs.

Advise patients and community members concerning diet, activity, hygiene, and disease prevention. Analyze records, reports, test results, or examination information to diagnose medical condition of patient. Collect, record, and maintain patient information, such as medical history, reports, and examination results. Make diagnoses when different illnesses occur together or in situations where the diagnosis may be obscure. Explain procedures and discuss test results or prescribed treatments with patients. Immunize patients to protect them from preventable diseases. Manage and treat common health problems, such as infections, influenza and pneumonia, as well as serious, chronic, and complex illnesses, in adolescents, adults, and the elderly. Monitor patients' conditions and progress and re-evaluate treatments as necessary. Prescribe or administer medication, therapy, and other specialized medical care to treat or prevent illness, disease, or injury. Provide and manage long-term, comprehensive medical care, including diagnosis and non-surgical treatment of diseases, for adult patients in an office or hospital. Refer patient to medical specialist or other practitioner when necessary. Treat internal disorders, such as hypertension, heart disease, diabetes, and problems of the lung, brain, kidney, and gastrointestinal tract. Advise surgeon of a patient's risk status and recommend appropriate intervention to minimize risk. Conduct research to develop or test medications, treatments, or procedures to prevent or control disease or injury. Direct and coordinate activities of nurses, students, assistants, specialists, therapists, and other medical staff. Operate on patients to remove, repair, or improve functioning of diseased or injured body parts and systems. Provide consulting services to other doctors caring for patients with special or difficult problems. Plan, implement, or administer health programs in hospitals, businesses, or communities for prevention and treatment of injuries or illnesses. Prepare government or organizational reports on birth, death, and disease statistics, workforce evaluations, or the medical status of individuals.

Medicine and Dentistry -- Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures. Biology -- Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment. English Language -- Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar. Therapy and Counseling -- Knowledge of principles, methods, and procedures for diagnosis, treatment, and rehabilitation of physical and mental dysfunctions, and for career counseling and guidance. Administration and Management -- Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources. Chemistry -- Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods. Education and Training -- Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects. Psychology -- Knowledge of human behavior and performance; individual differences in ability, personality, and interests; learning and motivation; psychological research methods; and the assessment and treatment of behavioral and affective disorders. Personnel and Human Resources -- Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems.

Reading Comprehension -- Understanding written sentences and paragraphs in work related documents. Judgment and Decision Making -- Considering the relative costs and benefits of potential actions to choose the most appropriate one. Science -- Using scientific rules and methods to solve problems. Active Listening -- Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times. Speaking -- Talking to others to convey information effectively. Critical Thinking -- Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems. Systems Evaluation -- Identifying measures or indicators of system performance and the actions needed to improve or correct performance, relative to the goals of the system. Active Learning -- Understanding the implications of new information for both current and future problem-solving and decision-making. Monitoring -- Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action. Coordination -- Adjusting actions in relation to others' actions.

Inductive Reasoning -- The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events). Manual Dexterity -- The ability to quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects. Problem Sensitivity -- The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem. Arm-Hand Steadiness -- The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position. Oral Expression -- The ability to communicate information and ideas in speaking so others will understand. Near Vision -- The ability to see details at close range (within a few feet of the observer). Written Comprehension -- The ability to read and understand information and ideas presented in writing. Oral Comprehension -- The ability to listen to and understand information and ideas presented through spoken words and sentences. Information Ordering -- The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations). Speech Clarity -- The ability to speak clearly so others can understand you.

Monitor Processes, Materials, or Surroundings -- Monitoring and reviewing information from materials, events, or the environment, to detect or assess problems. Identifying Objects, Actions, and Events -- Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events. Assisting and Caring for Others -- Providing personal assistance, medical attention, emotional support, or other personal care to others such as coworkers, customers, or patients. Analyzing Data or Information -- Identifying the underlying principles, reasons, or facts of information by breaking down information or data into separate parts. Making Decisions and Solving Problems -- Analyzing information and evaluating results to choose the best solution and solve problems. Getting Information -- Observing, receiving, and otherwise obtaining information from all relevant sources. Documenting/Recording Information -- Entering, transcribing, recording, storing, or maintaining information in written or electronic/magnetic form. Updating and Using Relevant Knowledge -- Keeping up-to-date technically and applying new knowledge to your job. Communicating with Persons Outside Organization -- Communicating with people outside the organization, representing the organization to customers, the public, government, and other external sources. This information can be exchanged in person, in writing, or by telephone or e-mail. Communicating with Supervisors, Peers, or Subordinates -- Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person.