diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9146bef2..4050dbd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,5 @@
 ## XX.XX.XX
+* Introduced new health checks to monitor how device ID changes are handled.
 * Added a config option to content (setZoneTimerInterval) to set content zone timer. (Experimental!)
 
 ## 24.7.7
@@ -7,7 +8,7 @@
 
 ## 24.7.6
 * Added support for localization of content blocks.
-
+* 
 * Mitigated an issue where visibility could have been wrongly assigned if a view was closed while going to background. (Experimental!)
 * Fixed a bug where passing the global content callback was not possible.
 * Mitigated an issue related to content actions navigation.
diff --git a/sdk/src/main/java/ly/count/android/sdk/HealthCheckCounter.java b/sdk/src/main/java/ly/count/android/sdk/HealthCheckCounter.java
index ce4038f8..4dd9ee67 100644
--- a/sdk/src/main/java/ly/count/android/sdk/HealthCheckCounter.java
+++ b/sdk/src/main/java/ly/count/android/sdk/HealthCheckCounter.java
@@ -10,16 +10,22 @@ public class HealthCheckCounter implements HealthTracker {
     public long countLogError = 0;
     public int statusCode = -1;
     public String errorMessage = "";
-    
+    public int mergeCount = 0;
+    public int withoutMergeCount = 0;
+
     final String keyLogError = "LErr";
     final String keyLogWarning = "LWar";
     final String keyStatusCode = "RStatC";
     final String keyErrorMessage = "REMsg";
+    final String keyMergeCount = "MCount";
+    final String keyWithoutMergeCount = "WMCount";
 
     final String requestKeyErrorCount = "el";
     final String requestKeyWarningCount = "wl";
     final String requestKeyStatusCode = "sc";
     final String requestKeyRequestError = "em";
+    final String requestKeyChangeWithMerge = "mc";
+    final String requestKeyChangeWithoutMerge = "wmc";
 
     StorageProvider storageProvider;
     ModuleLog L;
@@ -47,6 +53,8 @@ void setupInitialCounters(@NonNull String initialState) {
             countLogError = jsonObject.optLong(keyLogError, 0);
             statusCode = jsonObject.optInt(keyStatusCode, -1);
             errorMessage = jsonObject.optString(keyErrorMessage, "");
+            mergeCount = jsonObject.optInt(keyMergeCount, 0);
+            withoutMergeCount = jsonObject.optInt(keyWithoutMergeCount, 0);
 
             L.d("[HealthCheckCounter] Loaded initial health check state: [" + jsonObject.toString() + "]");
         } catch (Exception e) {
@@ -67,7 +75,7 @@ void setupInitialCounters(@NonNull String initialState) {
         assert statusCode > 0;
         assert statusCode < 1000;
         assert errorResponse != null;
-        
+
         this.statusCode = statusCode;
 
         if (errorResponse.length() > 1000) {
@@ -102,6 +110,8 @@ void setupInitialCounters(@NonNull String initialState) {
             jsonObject.put(keyLogError, countLogError);
             jsonObject.put(keyStatusCode, statusCode);
             jsonObject.put(keyErrorMessage, errorMessage);
+            jsonObject.put(keyMergeCount, mergeCount);
+            jsonObject.put(keyWithoutMergeCount, withoutMergeCount);
 
             storageProvider.setHealthCheckCounterState(jsonObject.toString());
         } catch (Exception e) {
@@ -109,12 +119,22 @@ void setupInitialCounters(@NonNull String initialState) {
         }
     }
 
+    @Override public void logDeviceIdWithMergeChange() {
+        mergeCount++;
+    }
+
+    @Override public void logDeviceIdWithoutMergeChange() {
+        withoutMergeCount++;
+    }
+
     void clearValues() {
         L.v("[HealthCheckCounter] Clearing counters");
         countLogWarning = 0;
         countLogError = 0;
         statusCode = -1;
         errorMessage = "";
+        mergeCount = 0;
+        withoutMergeCount = 0;
     }
 
     @NonNull String createRequestParam() {
@@ -128,6 +148,8 @@ void clearValues() {
             jsonObject.put(requestKeyWarningCount, countLogWarning);
             jsonObject.put(requestKeyStatusCode, statusCode);
             jsonObject.put(requestKeyRequestError, errorMessage);
+            jsonObject.put(requestKeyChangeWithMerge, mergeCount);
+            jsonObject.put(requestKeyChangeWithoutMerge, withoutMergeCount);
         } catch (JSONException e) {
             L.w("[HealthCheckCounter] Failed to create param for hc request, " + e);
         }
diff --git a/sdk/src/main/java/ly/count/android/sdk/HealthTracker.java b/sdk/src/main/java/ly/count/android/sdk/HealthTracker.java
index cde9da7b..78456b6d 100644
--- a/sdk/src/main/java/ly/count/android/sdk/HealthTracker.java
+++ b/sdk/src/main/java/ly/count/android/sdk/HealthTracker.java
@@ -16,4 +16,8 @@ interface HealthTracker {
     void clearAndSave();
 
     void saveState();
+
+    void logDeviceIdWithMergeChange();
+
+    void logDeviceIdWithoutMergeChange();
 }
diff --git a/sdk/src/main/java/ly/count/android/sdk/ModuleDeviceId.java b/sdk/src/main/java/ly/count/android/sdk/ModuleDeviceId.java
index d3b3e701..bad348a3 100644
--- a/sdk/src/main/java/ly/count/android/sdk/ModuleDeviceId.java
+++ b/sdk/src/main/java/ly/count/android/sdk/ModuleDeviceId.java
@@ -151,6 +151,7 @@ void changeDeviceIdWithoutMergeInternal(@NonNull String deviceId) {
         } else {
             // setting a custom device ID
             deviceIdInstance.changeToCustomId(deviceId);
+            healthTracker.logDeviceIdWithoutMergeChange();
         }
 
         //clear automated star rating session values because now we have a new user
@@ -201,6 +202,7 @@ void changeDeviceIdWithMergeInternal(@NonNull String deviceId) {
             _cly.moduleRemoteConfig.clearAndDownloadAfterIdChange();
             requestQueueProvider.changeDeviceId(deviceId, deviceIdInstance.getCurrentId());
             deviceIdInstance.changeToCustomId(deviceId);
+            healthTracker.logDeviceIdWithMergeChange();
             _cly.notifyDeviceIdChange(false);
         }
     }