A lawyer may not assist a client in committing an injustice. A lawyer may not represent a client in a lawsuit to attain payment which the client admits is not due him. Thus, a lawyer may not present medical bills which the client has informed him are fictitious. A lawyer too, should seek the guidance of a halachic authority so that he will conduct his practice in strict adherence to Torah law.
Similarly, a therapist may not assist a client in living an immoral lifestyle. Jewish therapists must be guided in their work by qualified rabbanim who are well versed in the relevant areas of halachah.