Family practice is the branch of medicine concerning the total health care of the person and the family. A family practice physician can have a varied and extensive medical background, including internal medicine, obstetrics and gynecology, pediatrics, psychiatry, and geriatrics. A family physician has the skills and knowledge to provide care and health maintenance education for all ages. This physician is trained to diagnose and treat each member of the family, no matter what the problem.

Physicians in this specialty treat patients suffering from numerous diseases and illnesses, but some of the most common are Emphysema, Broncho-Esophagology, Pneumonia, Osteoarthritis , Bronchitis, cystic fibrosis, Asthma, pectus excavatum, osteoporosis, infection, Diabetes, cancer, Acne, Alzheimer's disease, Hypertension, Autism, Yeast infection, Strep throat, Anemia, and Aneurysm.

Once properly diagnosed, practitioners can perform numerous procedures on patients including wart removal and mole removal.

To diagnose patients with possible illnesses and diseases, specialists will often perform one of many tests including Bone density test, FAA-Flight Physicial, physicial / check up, physicial, biopsy, Computed Axial Tomography (CT or CAT Scan), Magnetic Resonance Imaging (MRI), Electrocardiogram (ECG or EKG), ultrasound, x-ray, Blood Test, Upper GI (Barium Swallow), stool test, Lower GI (Barium Enema), electrolyte test, microbiological culture, and pH probe test.

Doctor density varies by specialty and location. California has 13,575 practicing family doctors. Broken out by city, family practice doctor density in Napa is 40, in National City is 29, in Natural City is 1, in Needles is 3, in Nevada City is 11, in Newark is 9, in Newbury Park is 9, in Newhall is 6, in Newman is 6, in Newport is 2, in Newport Beach is 102, in Newport Coast is 1, in Nipomo is 19, in Norco is 11, in North Fork is 1, in North Highlands is 2, in North Hills is 8, in North Hollywood is 38, in Northridge is 51, in Norwalk is 42, and in Novato is 18.

California’s population is 36,142,137, and it is America’s third largest and most populous state. It also claims the highest and lowest altitudes in the lower 48 states. The lowest point in the country, Death Valley, is also home to the nation’s highest recorded temperature, 134 degrees. Tourists flock to this state for its many outdoor activities and attractions, including Universal Studios, Disneyland, Rodeo Drive shopping, the Golden Gate Bridge in San Francisco, wine country tours, and California’s numerous beaches and parks. Los Angeles is the nation’s second largest city, but California’s capital is Sacramento. The giant sequoias in California’s forests are among the oldest living things in the world, and a redwood in the Redwood National Park is said to be the world’s tallest tree, at 365 feet. California achieved statehood in 1850, and was named the Golden State after the beginning of the Gold Rush in 1848.

According to 2005 Census estimates, California has a population of 36,132,147. Of this population, 9,308,563 are under the age of 18 and 3,827,038 are at or above the age of 65.