Do they have real medical degrees (MBBS or MD)? Are they dentists or vets? Do they have PhDs? If not tell them to stop deceiving their patients!
Even if they have any of the above, they shouldn't call themselves Dr's if they are practicing as physios!
Oh, are they chiropractors? If so, what are they doing in a clinic that is based on medical science, not chiropractic-pseudo-science