Health services would be what provide health care. Health care usually refers to the actual practice of medicine, etc. while health services would be the entities providing that care.

(2) The term “health care services” means any services provided by a health care professional, or by any individual working under the supervision of a health care professional, that relate to— (A) the diagnosis, prevention, or treatment of any human disease or impairment; or (B) the assessment or care of the health of ...

health care. noun. variants or healthcare. 1. : efforts to maintain, restore, or promote someone's physical, mental, or emotional well-being especially when performed by trained and licensed professionals (as in medicine, dentistry, clinical psychology, and public health)

High-quality health care helps prevent diseases and improve quality of life. Healthy People 2030 focuses on improving health care quality and making sure all people get the health care services they need. Helping health care providers communicate more effectively can help improve health and well-being.