A medical practitioner

Doctor of Medicine, M.D., physician, surgeon, family doctor, country doctor, medical attendant, specialist, consultant, intern, resident, house physician, homeopath, primary-care physician, quack*, veterinarian*, animal doctor, vet*, doc*, sawbones*, bones*, medico*, croaker*. *see dentist, medicine 3.

Types of doctors include: heart specialist; eye, ear, nose, and throat specialist; respiratory specialist, family doctor, general practitioner, G.P.; anesthetist, anesthesiologist, dentist, podiatrist, internist, pediatrician, neonatologist, oculist, obstetrician, psychiatrist, psychoanalyst, public health physician, surgeon, orthopedist, gynecologist, radiologist, neurologist, cardiologist, gerontologist, pathologist, dermatologist, endocrinologist, ophthalmologist, laryngologist, urologist, neurologist, osteopath, oncologist, gastroenterologist, allergist, proctologist, hematologist, diathermist, radiothermist; orthopedic surgeon, cardiac surgeon, heart surgeon, plastic surgeon;

Alternates to a doctor include: physician's assistant, midwife, chiropractor, acupuncturist, health-care provider, therapist, Christian Science practitioner, faith healer, witch doctor, shaman, medicine man.

A holder of a doctoral degree

Ph.D., Ed.D., expert, professor, student; see also degree 3, professor, scholar 2, scientist.

To treat

attend, minister to, medicate; see treat 3.

To change deceptively

tamper with, falsify, adulterate, alter; see adulterate, corrupt 2, disguise.