diff --git a/homeassistant/components/withings/entity.py b/homeassistant/components/withings/entity.py
index bc7ce5c21f35..79b2e2b0e359 100644
--- a/homeassistant/components/withings/entity.py
+++ b/homeassistant/components/withings/entity.py
@@ -4,6 +4,7 @@ from typing import Any, override
 
 from aiowithings import Device
 
+from homeassistant.helpers import device_registry as dr
 from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
@@ -50,7 +51,11 @@ class WithingsDeviceEntity(WithingsEntity[WithingsDeviceDataUpdateCoordinator]):
             manufacturer="Withings",
             name=self.device.raw_model,
             model=self.device.raw_model,
-            via_device=(DOMAIN, str(coordinator.config_entry.unique_id)),
+            via_device_id=dr.async_get_device_id_by_identifier(
+                coordinator.hass,
+                (DOMAIN, str(coordinator.config_entry.unique_id)),
+                config_entry_id=coordinator.config_entry.entry_id,
+            ),
         )
 
     @property
diff --git a/tests/components/withings/test_init.py b/tests/components/withings/test_init.py
index f287d2ae0af0..63c50983ae9b 100644
--- a/tests/components/withings/test_init.py
+++ b/tests/components/withings/test_init.py
@@ -715,6 +715,29 @@ async def test_devices(
         assert device == snapshot(name=device_id)
 
 
+@pytest.mark.usefixtures("withings")
+async def test_device_via_device_id(
+    hass: HomeAssistant,
+    webhook_config_entry: MockConfigEntry,
+    device_registry: dr.DeviceRegistry,
+) -> None:
+    """Test the physical device is linked to the account device via via_device_id."""
+    await setup_integration(hass, webhook_config_entry)
+    await hass.async_block_till_done()
+
+    account_device = device_registry.async_get_device_by_identifier(
+        (DOMAIN, str(webhook_config_entry.unique_id)), webhook_config_entry.entry_id
+    )
+    assert account_device is not None
+
+    device = device_registry.async_get_device_by_identifier(
+        (DOMAIN, "f998be4b9ccc9e136fd8cd8e8e344c31ec3b271d"),
+        webhook_config_entry.entry_id,
+    )
+    assert device is not None
+    assert device.via_device_id == account_device.id
+
+
 async def test_oauth_implementation_not_available(
     hass: HomeAssistant,
     webhook_config_entry: MockConfigEntry,