diff --git a/runelite-api/src/main/java/net/runelite/api/ParamID.java b/runelite-api/src/main/java/net/runelite/api/ParamID.java
index 50d2bdf71f..d726067c5a 100644
--- a/runelite-api/src/main/java/net/runelite/api/ParamID.java
+++ b/runelite-api/src/main/java/net/runelite/api/ParamID.java
@@ -29,6 +29,10 @@ package net.runelite.api;
  */
 public final class ParamID
 {
+	/**
+	 * Long name for NPCs used in the HP hud
+	 */
+	public static final int NPC_HP_NAME = 510;
 	/**
 	 * @see SettingID
 	 */
diff --git a/runelite-api/src/main/java/net/runelite/api/Varbits.java b/runelite-api/src/main/java/net/runelite/api/Varbits.java
index 57151da3ca..b1862fc17c 100644
--- a/runelite-api/src/main/java/net/runelite/api/Varbits.java
+++ b/runelite-api/src/main/java/net/runelite/api/Varbits.java
@@ -650,7 +650,14 @@ public enum Varbits
 	 * 2 = popup notification only
 	 * 3 = chat and popup
 	 */
-	COLLECTION_LOG_NOTIFICATION(11959);
+	COLLECTION_LOG_NOTIFICATION(11959),
+
+	/**
+	 * Show boss health overlay setting
+	 * 0 = on
+	 * 1 = off
+	 */
+	BOSS_HEALTH_OVERLAY(12389);
 
 	/**
 	 * The raw varbit ID.
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/opponentinfo/OpponentInfoOverlay.java b/runelite-client/src/main/java/net/runelite/client/plugins/opponentinfo/OpponentInfoOverlay.java
index dc9cb8c1c2..672ab50e16 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/opponentinfo/OpponentInfoOverlay.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/opponentinfo/OpponentInfoOverlay.java
@@ -25,6 +25,7 @@
  */
 package net.runelite.client.plugins.opponentinfo;
 
+import com.google.common.base.Strings;
 import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.FontMetrics;
@@ -33,9 +34,14 @@ import java.awt.Point;
 import java.awt.Rectangle;
 import javax.inject.Inject;
 import net.runelite.api.Actor;
+import net.runelite.api.Client;
 import static net.runelite.api.MenuAction.RUNELITE_OVERLAY_CONFIG;
 import net.runelite.api.NPC;
+import net.runelite.api.NPCComposition;
+import net.runelite.api.ParamID;
 import net.runelite.api.Player;
+import net.runelite.api.VarPlayer;
+import net.runelite.api.Varbits;
 import net.runelite.client.game.HiscoreManager;
 import net.runelite.client.game.NPCManager;
 import static net.runelite.client.ui.overlay.OverlayManager.OPTION_CONFIGURE;
@@ -54,6 +60,7 @@ class OpponentInfoOverlay extends OverlayPanel
 	private static final Color HP_GREEN = new Color(0, 146, 54, 230);
 	private static final Color HP_RED = new Color(102, 15, 16, 230);
 
+	private final Client client;
 	private final OpponentInfoPlugin opponentInfoPlugin;
 	private final OpponentInfoConfig opponentInfoConfig;
 	private final HiscoreManager hiscoreManager;
@@ -66,12 +73,14 @@ class OpponentInfoOverlay extends OverlayPanel
 
 	@Inject
 	private OpponentInfoOverlay(
+		Client client,
 		OpponentInfoPlugin opponentInfoPlugin,
 		OpponentInfoConfig opponentInfoConfig,
 		HiscoreManager hiscoreManager,
 		NPCManager npcManager)
 	{
 		super(opponentInfoPlugin);
+		this.client = client;
 		this.opponentInfoPlugin = opponentInfoPlugin;
 		this.opponentInfoConfig = opponentInfoConfig;
 		this.hiscoreManager = hiscoreManager;
@@ -105,6 +114,15 @@ class OpponentInfoOverlay extends OverlayPanel
 			lastMaxHealth = null;
 			if (opponent instanceof NPC)
 			{
+				NPCComposition composition = ((NPC) opponent).getTransformedComposition();
+				if (composition != null)
+				{
+					String longName = composition.getStringValue(ParamID.NPC_HP_NAME);
+					if (!Strings.isNullOrEmpty(longName))
+					{
+						opponentName = longName;
+					}
+				}
 				lastMaxHealth = npcManager.getHealth(((NPC) opponent).getId());
 			}
 			else if (opponent instanceof Player)
@@ -121,7 +139,9 @@ class OpponentInfoOverlay extends OverlayPanel
 			}
 		}
 
-		if (opponentName == null)
+		// The in-game hp hud is more accurate than our overlay and duplicates all of the information on it,
+		// so hide ours if it is visible.
+		if (opponentName == null || hasHpHud(opponent))
 		{
 			return null;
 		}
@@ -198,4 +218,20 @@ class OpponentInfoOverlay extends OverlayPanel
 
 		return super.render(graphics);
 	}
+
+	/**
+	 * Check if the hp hud is active for an opponent
+	 * @param opponent
+	 * @return
+	 */
+	private boolean hasHpHud(Actor opponent)
+	{
+		boolean settingEnabled = client.getVar(Varbits.BOSS_HEALTH_OVERLAY) == 0;
+		if (settingEnabled && opponent instanceof NPC)
+		{
+			int opponentId = client.getVar(VarPlayer.HP_HUD_NPC_ID);
+			return opponentId != -1 && opponentId == ((NPC) opponent).getId();
+		}
+		return false;
+	}
 }