I would sure think they do. Patients are being treated by a health care professional. If a psychiatric treatment room is a health care facility, a chiropractic treatment room would certainly be one.
Health Care Facilities. Buildings, portions of buildings, or
mobile enclosures in which human medical, dental, psychiatric,
nursing, obstetrical, or surgical care are provided. [99:3.3.67]
Informational Note: Examples of health care facilities include,
but are not limited to, hospitals, nursing homes, limited care
facilities, clinics, medical and dental offices, and ambulatory
care centers, whether permanent or movable.