diff --git a/ecs/jskult-batch/src/batch/mst_inst_all.py b/ecs/jskult-batch/src/batch/mst_inst_all.py
index 4b64b27a..7d1bae7d 100644
--- a/ecs/jskult-batch/src/batch/mst_inst_all.py
+++ b/ecs/jskult-batch/src/batch/mst_inst_all.py
@@ -103,6 +103,8 @@ class MstInstAll(JskultBatchEntrypoint):
             self._insert_mst_inst_all_from_com_inst(db)
             # com_pharmから、mst_inst_allへInsert
             self._insert_mst_inst_all_from_com_pharm(db)
+            # mst_inst_merckから、最新レコードをmst_inst_allへInsert
+            self._insert_mst_inst_all_from_mst_inst_merck(db)
             logger.info("メルク施設マスタ作成処理終了")
 
             jskult_batch_run_manager.batch_success()
@@ -281,3 +283,85 @@ class MstInstAll(JskultBatchEntrypoint):
             raise e
 
         return
+
+    def _insert_mst_inst_all_from_mst_inst_merck(self, db:Database):
+        # mst_inst_merckから、mst_inst_allへInsert
+        try:
+            sql = """
+                INSERT INTO
+                    src07.mst_inst_all (
+                        inst_cd,
+                        inst_clas_cd,
+                        inst_name_form,
+                        inst_name,
+                        pref_cd,
+                        city_cd,
+                        pref_name,
+                        city_name,
+                        address,
+                        postal_cd,
+                        tel_num,
+                        bed_num,
+                        manage_cd,
+                        manage_name,
+                        delete_date,
+                        inst_div_cd,
+                        inst_div_name,
+                        yobi,
+                        creater,
+                        create_date,
+                        updater,
+                        update_date
+                    )
+                SELECT
+                    mim.inst_cd,
+                    CASE LEFT(mim.inst_cd, 2)
+                        WHEN '59' THEN '3'
+                        ELSE  '2'
+                    END,
+                    mim.inst_nm_kj,
+                    mim.inst_nm_kj_s,
+                    mim.jis_pref_cd,
+                    mim.jis_city_cd,
+                    mjp.jis_pref_nm_kj,
+                    LEFT(mjc.jis_city_nm_kj, 40),
+                    CONCAT(mim.addr1_nm_kj, mim.addr2_nm_kj),
+                    mim.postal_no,
+                    mim.tel_no,
+                    null,
+                    null,
+                    null,
+                    CASE mim.eff_end_ym
+                       WHEN '999912' THEN null
+                       ELSE CONCAT(mim.eff_end_ym, DATE_FORMAT(LAST_DAY(STR_TO_DATE(mim.eff_end_ym, '%Y%m')), '%d'))
+                    END,
+                    null,
+                    null,
+                    null,
+                    mim.ins_user,
+                    mim.ins_date,
+                    mim.upd_user,
+                    mim.upd_date
+                FROM
+                    src07.mst_inst_merck AS mim
+                JOIN (
+					SELECT mim.inst_cd, MAX(mim.eff_end_ym) AS max_end_ym
+					FROM src07.mst_inst_merck AS mim
+					GROUP BY mim.inst_cd
+					) AS mim_max_end_ym
+				ON mim.inst_cd = mim_max_end_ym.inst_cd 
+                AND mim.eff_end_ym = mim_max_end_ym.max_end_ym
+                LEFT OUTER JOIN src07.mst_jis_pref AS mjp
+                    ON mim.jis_pref_cd = mjp.jis_pref_cd
+                LEFT OUTER JOIN src07.mst_jis_city AS mjc
+                    ON  mim.jis_pref_cd = mjc.jis_pref_cd
+                    AND mim.jis_city_cd = mjc.jis_city_cd;
+                
+            """
+            res = db.execute(sql)
+            logger.info("メルク独自施設マスタからメルク施設マスタに登録成功")
+        except Exception as e:
+            logger.info("メルク独自施設マスタからメルク施設マスタに登録失敗")
+            raise e
+
+        return
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