1. Nurse Practitioners (NPs): NPs provide primary, acute, and specialty healthcare services. They can diagnose and manage acute and chronic illnesses, prescribe medications, and perform routine check-ups. 2. Clinical Nurse Specialists (CNSs): CNSs focus on improving healthcare delivery and outcomes within specialized areas such as pediatrics, geriatrics, or oncology. They often work in leadership, research, or educational roles. 3. Certified Nurse Midwives (CNMs): CNMs offer a full range of primary healthcare services to women, including gynecological exams, family planning, and prenatal care. They are also trained to deliver babies and provide postpartum care. 4. Certified Registered Nurse Anesthetists (CRNAs): CRNAs administer anesthesia for surgeries, labor and delivery, and other procedures. They are responsible for pre-anesthetic preparation and post-anesthetic care.