Internal Medicine Physicians

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Physician Healthcare Taxonomy Code 207R00000X

Including practice locations, phone numbers, email addresses, NPI numbers, license status, OIG exclusions, and much more across all 50 states.

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• Specialty (e.g., Cardiovascular Disease),
• Specialty Classification (e.g., Internal Medicine), and
• Specialty Group (e.g., Allopathic & Osteopathic Physicians).

This allows you to target specific specialties, geographic areas, or provider types for highly focused outreach.

As of today, these are the total numbers of Internal Medicine Physicians nationwide and excluded from federally funded healthcare programs, such as Medicaid, TRICARE, and the Children’s Health Insurance Program (CHIP).

What do Internal Medicine Physicians do?

Internal medicine physicians, also known as internists, specialize in the diagnosis, treatment, and prevention of diseases. They manage both common illnesses and complex chronic conditions, such as heart disease, diabetes, and arthritis. 

They provide long-term, comprehensive care in both the office and the hospital, managing patients of all ages, including 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, including disease prevention, wellness, substance abuse, mental health, and the effective treatment of common problems affecting the eyes, ears, skin, nervous system, and reproductive organs.

They serve as comprehensive primary care providers, forming ongoing relationships with patients to offer preventive care, manage complex multi-system illnesses, coordinate care with specialists, and provide general medical guidance.  

What they do

Diagnosis and Treatment: They specialize in diagnosing and treating illnesses affecting the internal organs, including the heart, lungs, kidneys, and digestive system. 

Chronic Disease Management: Internists are experts in managing long-term conditions such as diabetes, high blood pressure, and high cholesterol. 

Preventive Care: They provide routine checkups, health screenings, immunizations, and lifestyle advice to promote wellness. 

Comprehensive Care: Internists address a wide range of health needs for adults and adolescents, from simple ailments to complex medical problems. 

Care Coordination: They often collaborate with other specialists to coordinate patient care and oversee treatment plans. 

Environment

Outpatient Settings: They operate in private practices and clinics, serving as primary care doctors for their adult patients. 

Hospital Settings: Internists also work in hospitals, caring for inpatients with a range of medical conditions. 

Nursing Homes: They provide care for residents. 

Addiction Medicine Physicians

Healthcare Taxonomy Code 207RA0401X

An internist doctor of osteopathy who specializes in the treatment of addiction disorders. 

A doctor of osteopathic medicine who is board-eligible or certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in Addiction Medicine.

Adolescent Medicine Physicians

Healthcare Taxonomy Code 207RA0000X

An internist who specializes in adolescent medicine is a multidisciplinary healthcare specialist trained in the unique physical, psychological, and social characteristics of adolescents, as well as their healthcare problems and needs.

Adult Congenital Heart Disease Physicians

Healthcare Taxonomy Code 207RA0002X

A physician who specializes in the care and treatment of adults with congenital heart disease.

Adult congenital heart disease (ACHD) physicians are trained to understand the complexities of congenital heart disease, including its anatomy, physiology, surgical repairs, and long-term complications. They apply this knowledge to manage ACHD patients with acquired heart diseases, such as heart failure, arrhythmias, and pulmonary hypertension.

Advanced Heart Failure and Transplant Cardiology Physicians

Healthcare Taxonomy Code 207RA0001X

Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.

Allergy & Immunology Physicians

Healthcare Taxonomy Code 207RA0201X

An internist and doctor of osteopathic medicine who specializes in the treatment of allergic and immunologic disorders. 

A doctor of osteopathic medicine who is board-eligible or certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

Cardiologists

Healthcare Taxonomy Code 207RC0000X

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Clinical & Laboratory Immunology Physicians

Healthcare Taxonomy Code 207RI0001X

An internal medicine physician who specializes in clinical and laboratory immunology disease management.

Clinical Cardiac Electrophysiology Physicians

Healthcare Taxonomy Code 207RC0001X

A field of special interest within the subspecialty of cardiovascular disease, Internal Medicine involves intricate technical procedures for evaluating heart rhythms and determining appropriate treatment.

Critical Care Medicine Physicians

Healthcare Taxonomy Code 207RC0200X

An internist who diagnoses, treats, and supports patients with multiple organ dysfunction.

This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff, and other specialists.

Endocrinology, Diabetes & Metabolism Physicians

Healthcare Taxonomy Code 207RE0101X

An internist who concentrates on disorders of the internal (endocrine) glands, such as the thyroid and adrenal glands.

This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases, and menstrual and sexual problems.

Gastroenterology Physicians

Healthcare Taxonomy Code 207RG0100X

An internist who specializes in diagnosing and treating diseases of the digestive organs, including the stomach, bowels, liver, and gallbladder.

This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Geriatric Medicine Physicians

Healthcare Taxonomy Code 207RG0300X

An internist with exceptional knowledge of the aging process and specialized skills in the diagnostic, therapeutic, preventive, and rehabilitative aspects of illness in the elderly.

This specialist cares for geriatric patients in their homes, offices, long-term care settings such as nursing homes, and hospitals.

Hematology Physicians

Healthcare Taxonomy Code 207RH0000X

An internist with additional training who specializes in diseases of the blood, spleen, and lymph.

This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia, and lymphoma.

Hematology & Oncology Physicians

Healthcare Taxonomy Code 207RH0003X

An internist doctor of osteopathic medicine who specializes in the treatment of hematology and oncology disorders. 

A doctor of osteopathic medicine who is board-eligible/certified by the American Osteopathic Board of Internal Medicine and has obtained a Certificate of Special Qualifications in Hematology and Oncology. 

The Certificate is NO longer offered.

Hepatology Physicians

Healthcare Taxonomy Code 207RI0008X

The discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract.

The American Board of Internal Medicine considers Hepatology a subspecialty of gastroenterology.

Physicians who identify themselves as Hepatologists are usually, but not always, trained in gastrointestinal programs.

Hospice and Palliative Medicine Physicians

Healthcare Taxonomy Code 207RH0002X

An internal medicine physician with specialized knowledge and skills to prevent and relieve the suffering of patients with life-limiting illnesses.

This specialist collaborates with an interdisciplinary hospice or palliative care team to maximize the patient’s quality of life while addressing the physical, psychological, social, and spiritual needs of both the patient and their family throughout the course of the disease, during the dying process, and beyond. 

This specialist has expertise in assessing patients with advanced disease and relieving distressing symptoms.

They coordinate interdisciplinary, patient- and family-centered care across diverse settings, utilize specialized care systems, including hospice, manage the imminently dying patient, and make legal and ethical decisions in end-of-life care.

Hypertension Specialist Physicians

Healthcare Taxonomy Code 207RH0005X

A Hypertension Specialist is a physician who concentrates on all aspects of the diagnosis and treatment of hypertension.

Infectious Disease Physicians

Healthcare Taxonomy Code 207RI0200X

An internist who specializes in infectious diseases across all organ systems.

Conditions requiring the selective use of antibiotics call for this special skill.

This physician often diagnoses and treats AIDS patients and patients with fevers that have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Interventional Cardiology Physicians

Healthcare Taxonomy Code 207RI0011X

An area of medicine within the subspecialty of cardiology that uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart, and employs technical procedures and medications to treat abnormalities that impair cardiovascular function.

Medical Oncology Physicians

Healthcare Taxonomy Code 207RX0202X

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors.

This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Nephrology Physicians

Healthcare Taxonomy Code 207RN0300X

An internist who treats disorders of the kidneys, high blood pressure, fluid and mineral balance, and dialysis for the removal of body wastes when the kidneys do not function.

This specialist consults with surgeons about kidney transplantation.

Nutrition Specialists

Healthcare Taxonomy Code 207RP1002X

A physician who specializes in the diagnosis and treatment of primary nutritional diseases (e.g., undernutrition, overnutrition, and genetic or acquired errors of metabolism) and adjunctive nutritional therapeutics (e.g., nutritional therapy or support of disease states with a metabolic component).

Physician Nutrition Specialists also provide services for the prevention of nutritional diseases, including diabetes, cancer, and Alzheimer’s, as well as hospital malnutrition screening and perioperative nutrition.  

Obesity Medicine Physicians

Healthcare Taxonomy Code 207RB0002X

A physician specializing in obesity treatment demonstrates competency and a thorough understanding of the condition, as well as the genetic, biological, environmental, social, and behavioral factors that contribute to its development.

The obesity medicine physician employs therapeutic interventions including diet, physical activity, behavioral change, and pharmacotherapy.

The obesity medicine physician employs a comprehensive approach that may include additional resources, such as dietitians, exercise physiologists, mental health professionals, and bariatric surgeons, as indicated, to achieve optimal results.

Additionally, the obesity medicine physician maintains competency in providing pre-, peri-, and post-surgical care for bariatric surgery patients, promotes obesity prevention, and advocates for those who suffer from obesity.

Pulmonary Disease Physicians

Healthcare Taxonomy Code 207RP1001X

An internist who treats diseases of the lungs and airways.

The pulmonologist diagnoses and treats conditions such as cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema, and other complex lung disorders.

Rheumatologists

Healthcare Taxonomy Code 207RR0500X

An internist who treats diseases of joints, muscles, bones, and tendons.

This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries, and “collagen” diseases.

Sleep Medicine Physicians

Healthcare Taxonomy Code 207RS0012X

An Internist who practices Sleep Medicine is certified in the subspecialty and specializes in the clinical assessment, physiologic testing, diagnosis, management, and prevention of sleep and circadian rhythm disorders.

Sleep specialists treat patients of all ages and employ multidisciplinary approaches.

Disorders managed by sleep specialists include, but are not limited to, sleep-related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias, and sleep-related movement disorders.

Sports Medicine Physicians

Healthcare Taxonomy Code 207RS0010X

An internist trained to provide continuous care in sports medicine, not only for the enhancement of health and fitness but also for the prevention of injury and illness.

A sports medicine physician must have knowledge and experience in promoting wellness and preventing injury.

Knowledge of specialized areas of medicine, such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment, prevention, and referral practices), and the role of exercise in promoting a healthy lifestyle, is essential to the practice of sports medicine.

The sports medicine physician requires special education to gain the knowledge needed to improve individual healthcare.

Transplant Hepatology Physicians

Healthcare Taxonomy Code 207RT0003X

An internist with exceptional knowledge and the skills required of a gastroenterologist to care for patients before and following hepatic transplantation, spanning all phases of liver transplantation.

Selection of appropriate recipients requires assessment by a team having experience in evaluating the severity and prognosis of patients with liver disease.

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