diff --git a/litellm/integrations/arize/arize_phoenix_prompt_manager.py b/litellm/integrations/arize/arize_phoenix_prompt_manager.py
index fa178a02752..71f4902bbe5 100644
--- a/litellm/integrations/arize/arize_phoenix_prompt_manager.py
+++ b/litellm/integrations/arize/arize_phoenix_prompt_manager.py
@@ -359,10 +359,10 @@ class ArizePhoenixPromptManager(CustomPromptManagement):
         """
         Determine if prompt management should run based on the prompt_id.
 
-        For Arize Phoenix, we always return True and handle the prompt loading
-        in the _compile_prompt_helper method.
+        Arize Phoenix needs a prompt_id to compile, so it declines requests without one;
+        prompt loading itself happens in the _compile_prompt_helper method.
         """
-        return True
+        return prompt_id is not None
 
     def _compile_prompt_helper(
         self,
diff --git a/tests/test_litellm/litellm_core_utils/test_litellm_logging.py b/tests/test_litellm/litellm_core_utils/test_litellm_logging.py
index 05aa65034fb..db64340f895 100644
--- a/tests/test_litellm/litellm_core_utils/test_litellm_logging.py
+++ b/tests/test_litellm/litellm_core_utils/test_litellm_logging.py
@@ -5113,6 +5113,7 @@ def test_prompt_hooks_skip_prompt_managers_when_no_prompt_id(logging_obj, tmp_pa
     with a registered prompt manager (e.g. dotprompt): requests without a prompt_id 500'd with
     "prompt_id is required for Prompt Management Base class" instead of completing normally.
     """
+    from litellm.integrations.arize.arize_phoenix_prompt_manager import ArizePhoenixPromptManager
     from litellm.integrations.dotprompt.dotprompt_manager import DotpromptManager
     from litellm.integrations.vector_store_integrations.vector_store_pre_call_hook import (
         VectorStorePreCallHook,
@@ -5122,7 +5123,9 @@ def test_prompt_hooks_skip_prompt_managers_when_no_prompt_id(logging_obj, tmp_pa
 
     (tmp_path / "stem.prompt").write_text("---\nmodel: gemini-2.5-flash\n---\nyou are a stem tutor\n")
     dotprompt_manager = DotpromptManager(prompt_directory=str(tmp_path))
+    arize_manager = ArizePhoenixPromptManager(api_key="fake-key", api_base="http://127.0.0.1:9")
     litellm.logging_callback_manager.add_litellm_callback(dotprompt_manager)
+    litellm.logging_callback_manager.add_litellm_callback(arize_manager)
     monkeypatch.setattr(
         litellm,
         "vector_store_registry",
@@ -5154,6 +5157,10 @@ def test_prompt_hooks_skip_prompt_managers_when_no_prompt_id(logging_obj, tmp_pa
             dynamic_callback_params={},
         ) == ("gemini-2.5-flash", messages, {})
 
+        assert not arize_manager.should_run_prompt_management(
+            prompt_id=None, prompt_spec=None, dynamic_callback_params={}
+        )
+
         assert logging_obj.should_run_prompt_management_hooks(
             prompt_id=None, non_default_params={"vector_store_ids": ["vs_123"]}
         )
@@ -5177,9 +5184,10 @@ def test_prompt_hooks_skip_prompt_managers_when_no_prompt_id(logging_obj, tmp_pa
             DotpromptManager,
         )
     finally:
-        litellm.logging_callback_manager.remove_callback_from_list_by_object(litellm.callbacks, dotprompt_manager)
-        litellm.logging_callback_manager.remove_callback_from_list_by_object(
-            litellm._async_success_callback, dotprompt_manager
-        )
+        for manager in (dotprompt_manager, arize_manager):
+            litellm.logging_callback_manager.remove_callback_from_list_by_object(litellm.callbacks, manager)
+            litellm.logging_callback_manager.remove_callback_from_list_by_object(
+                litellm._async_success_callback, manager
+            )
         for hook in [cb for cb in litellm.callbacks if isinstance(cb, VectorStorePreCallHook)]:
             litellm.logging_callback_manager.remove_callback_from_list_by_object(litellm.callbacks, hook)