code: def get_provider(self, provider_id, provider_username=''):
          
          magic = self._magic_json(
              action=TouchWorksMagicConstants.ACTION_GET_PROVIDER,
              parameter1=provider_id,
              parameter2=provider_username)
          response = self._http_request(TouchWorksEndPoints.MAGIC_JSON, data=magic)
          result = self._get_results_or_raise_if_magic_invalid(
              magic,
              response,
              TouchWorksMagicConstants.RESULT_GET_PROVIDER)
          return result
docs: invokes TouchWorksMagicConstants.ACTION_GET_PROVIDER action
          :return: JSON response