A certified registered nurse practitioner (CRNP) is an independent licensed health care professional who works as part of a team with other physicians. Nurse practitioners diagnose, treat, order and interpret labs and diagnostics, and prescribe any medications you may need.
A midwife is a registered nurse who provides obstetrical and gynecological care before, during and after pregnancy, and attends births.
A physician is licensed to practice medicine. He or she has earned a doctor of medicine degree (MD) or doctor of osteopathic medicine (DO) in medical school and then completed a residency program for professional education in a specialty. Some physicians choose to become board-certified or take fellowship training to learn and demonstrate expertise in a specialty.
A physician assistant (PA) is a medical professional who works as part of a team with a doctor. He or she can perform routine exams, order lab work and X-rays, prescribe medicines and counsel people about their health, all under the supervision of a physician.