create or replace 
TYPE "OBJ_NOSILAC_OSIGURANJA" AS OBJECT (
  INSURANCE_HOLDER CHAR(1),
  INSURANCE_HOLDER_FIRSTNAME VARCHAR2(30),
  INSURANCE_HOLDER_LASTNAME VARCHAR2(30),
  INSURANCE_HOLDER_P_NUMBER VARCHAR2(13),
  INSURANCE_HOLDER_INSURANCE VARCHAR2(11),
  MEMBER FUNCTION get_INSURANCE_HOLDER RETURN CHAR,
  MEMBER FUNCTION get_INSURANCE_HOLDER_FIRSTNAME RETURN VARCHAR2,
  MEMBER FUNCTION get_INSURANCE_HOLDER_LASTNAME RETURN VARCHAR2,
  MEMBER FUNCTION get_INSURANCE_HOLDER_P_NUMBER RETURN VARCHAR2,
  MEMBER FUNCTION get_INSURANCE_HOLDER_INSURANCE RETURN VARCHAR2
) instantiable not final;

CREATE TABLE "DENTIST"."PATIENT_DETAIL" 
   (	"ID_PATIENT" NUMBER(*,0) NOT NULL ENABLE, 
	"INSURANCE_HOLDER" "DENTIST"."OBJ_NOSILAC_OSIGURANJA" ,......)

@Entity
@Table(name="patient_detail")
public class Patient {
  private Integer id_patient;
  ....

  @Id
  @GeneratedValue(strategy=GenerationType.IDENTITY)
  public Integer getId_patient() {
 	return id_patient;
  }

  public void setId_patient(Integer id_patient) {
	this.id_patient = id_patient;
  }