Jonathon Leja, MD

Internal Medicine Doctor

Dr. Jonathon Leja is an Internal Medicine Doctor in Madison, WI with special training and skill in the diagnosis, treatment, and care of adults across the spectrum from health to complex illness. Internists specialize in puzzling medical problems and in the ongoing care of chronic illnesses. Internists also specialize in preventing disease by promoting health, and are trained to manage multisystem disease conditions that single-organ-disease specialists may not be trained to address. As an Internal Medicine Doctor, Jonathon Leja, MD performs assessment, diagnosis, prevention, and treatment therapies for diseases and disorders in adult patients. Internal Medicine is a medical specialty focused on study, prevention, assessment, diagnosis, and treatment of short and long term multi-organ conditions. Significant diseases and conditions treated by Internal Medicine Doctors include cold and flu, heart disease, hypertension, diabetes, obesity, and chronic lung disease. Internists generally act as personal physicians and often develop long-term relationships with their patients. Medical tests, procedures and therapies provided by Internal Medicine Doctors include medical history reviews, physical exams, blood tests, scans, and other diagnostic tests, as well as specialist referrals. Internists may choose to practice only in the hospital, only in an outpatient clinic, or in both.

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Student in an Organized Health Care Education/Training Program

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Primary Care Doctor