A Doctor of Osteopathic Medicine (DO) is a licensed physician who practices medicine using a complete, patient-centered approach rooted in osteopathic principles. DOs complete four years of medical school, a residency, and are eligible for board certification in any specialty. They treat patients using conventional medicine and osteopathic manipulative treatment (OMT), a hands-on technique to diagnose and treat musculoskeletal issues.
DOs are fully licensed to prescribe medication, perform surgery, and practice in all medical specialties. They are trained in the same core sciences as MDs (Doctors of Medicine), but their education emphasizes the interconnection between body systems and preventive care. The American Osteopathic Association (AOA) reports over 160,000 DOs currently practicing in the U.S., with more than 40% working in primary care.
DOs attend accredited osteopathic medical schools, which require a bachelor's degree with coursework in biology, chemistry, physics, and math. Admission involves the CASPer test, MCAT scores, and interviews. Medical school includes two years of foundational science courses followed by two years of clinical rotations in internal medicine, pediatrics, psychiatry, and surgery.
Unlike MD programs, DO curricula include 200 hours of training in osteopathic manipulative treatment (OMT). This technique uses manual pressure, stretching, and resistance to improve mobility and relieve pain. A 2021 study published in the Journal of the American Osteopathic Association found that OMT reduced lower back pain intensity by 35% in patients over six weeks compared to standard care alone.
DOs emphasize prevention and wellness. They are more likely than MDs to work in underserved areas. According to the Health Resources and Services Administration (HRSA), 34% of DOs practice in rural or medically underserved communities-higher than the 26% rate among MDs.
DOs train in the same specialties as MDs. They can become family physicians, cardiologists, neurosurgeons, dermatologists, and psychiatrists. The majority of DOs enter primary care fields such as family medicine, internal medicine, and pediatrics.
| Specialty | % of DOs | Median Annual Salary (2023) |
|---|---|---|
| Family Medicine | 32% | $220,000 |
| Internal Medicine | 18% | $245,000 |
| General Surgery | 8% | $310,000 |
| Pediatrics | 7% | $210,000 |
| Psychiatry | 5% | $235,000 |
DOs often choose careers in community health centers, federally qualified health centers (FQHCs), and rural clinics. For example, Dr. Sarah Lin, a DO in rural Montana, runs a clinic serving 12,000 residents. She integrates OMT into her treatment plans and sees a 40% reduction in patient visits for chronic back pain since implementing regular manual therapy sessions.
Many people assume DOs are "less qualified" than MDs. This is false. Both DOs and MDs are fully licensed physicians. They graduate from accredited medical schools, complete residency training, and pass the same licensing exams. The U.S. Department of Education recognizes both degrees as equivalent for licensure and federal funding.
One key difference lies in philosophy. MDs focus on diagnosing and treating disease. DOs prioritize understanding the whole person-mind, body, and environment-and aim to prevent illness through lifestyle, nutrition, and early intervention. DOs are more likely to recommend exercise, sleep hygiene, and dietary changes as first-line treatments.
A common misconception is that OMT is alternative medicine. It is not. OMT is evidence-based and taught in accredited medical schools. The National Institutes of Health (NIH) notes that OMT is effective for low back pain, neck pain, and migraines. A 2020 NIH-funded trial showed that patients receiving OMT alongside physical therapy had a 50% faster recovery time than those receiving physical therapy alone.
I spent a week shadowing Dr. James Reed, a DO in a suburban primary care clinic. He began each visit by asking about sleep, stress levels, and diet-not just symptoms. During one appointment, a 52-year-old woman reported chronic shoulder pain. After a physical exam, he performed OMT, applying gentle pressure to the thoracic spine and shoulder girdle. Within five minutes, her pain dropped from 8/10 to 3/10. He then prescribed a home exercise plan and scheduled a follow-up in two weeks.
Dr. Reed later told me, "I don't see patients as broken parts. I see them as systems. Fixing one area affects the whole." His approach reflects the core principle of osteopathic medicine: the body's ability to heal itself, supported by skilled intervention.
Both DOs and MDs are essential to the U.S. healthcare system. As demand grows for accessible, preventive care, DOs play a important role in expanding access to quality medicine-especially in rural and underserved areas.