diff --git a/homeassistant/components/onewire/onewirehub.py b/homeassistant/components/onewire/onewirehub.py
index 2fd445a1ca3..deeaaa6283d 100644
--- a/homeassistant/components/onewire/onewirehub.py
+++ b/homeassistant/components/onewire/onewirehub.py
@@ -8,15 +8,7 @@ import os
 from pyownet import protocol
 
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import (
-    ATTR_IDENTIFIERS,
-    ATTR_MANUFACTURER,
-    ATTR_MODEL,
-    ATTR_NAME,
-    ATTR_VIA_DEVICE,
-    CONF_HOST,
-    CONF_PORT,
-)
+from homeassistant.const import ATTR_VIA_DEVICE, CONF_HOST, CONF_PORT
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import device_registry as dr
 from homeassistant.helpers.device_registry import DeviceInfo
@@ -80,14 +72,9 @@ class OneWireHub:
         # Populate the device registry
         device_registry = dr.async_get(self._hass)
         for device in self.devices:
-            device_info = device.device_info
             device_registry.async_get_or_create(
                 config_entry_id=self._config_entry.entry_id,
-                identifiers=device_info[ATTR_IDENTIFIERS],
-                manufacturer=device_info[ATTR_MANUFACTURER],
-                model=device_info[ATTR_MODEL],
-                name=device_info[ATTR_NAME],
-                via_device=device_info.get(ATTR_VIA_DEVICE),
+                **device.device_info,
             )
 
 
@@ -113,7 +100,9 @@ def _discover_devices(
             identifiers={(DOMAIN, device_id)},
             manufacturer=DEVICE_MANUFACTURER.get(device_family, MANUFACTURER_MAXIM),
             model=device_type,
+            model_id=device_type,
             name=device_id,
+            serial_number=device_id[3:],
         )
         if parent_id:
             device_info[ATTR_VIA_DEVICE] = (DOMAIN, parent_id)
diff --git a/tests/components/onewire/snapshots/test_diagnostics.ambr b/tests/components/onewire/snapshots/test_diagnostics.ambr
index f51fca7e988..6c5631331ca 100644
--- a/tests/components/onewire/snapshots/test_diagnostics.ambr
+++ b/tests/components/onewire/snapshots/test_diagnostics.ambr
@@ -12,7 +12,9 @@
           ]),
           'manufacturer': 'Hobby Boards',
           'model': 'HB_HUB',
+          'model_id': 'HB_HUB',
           'name': 'EF.111111111113',
+          'serial_number': '111111111113',
         }),
         'family': 'EF',
         'id': 'EF.111111111113',
diff --git a/tests/components/onewire/snapshots/test_init.ambr b/tests/components/onewire/snapshots/test_init.ambr
index e2d818534f5..159f3acea42 100644
--- a/tests/components/onewire/snapshots/test_init.ambr
+++ b/tests/components/onewire/snapshots/test_init.ambr
@@ -21,11 +21,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2405',
-    'model_id': None,
+    'model_id': 'DS2405',
     'name': '05.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -53,11 +53,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS18S20',
-    'model_id': None,
+    'model_id': 'DS18S20',
     'name': '10.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -85,11 +85,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2406',
-    'model_id': None,
+    'model_id': 'DS2406',
     'name': '12.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -117,11 +117,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2423',
-    'model_id': None,
+    'model_id': 'DS2423',
     'name': '1D.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': <ANY>,
@@ -149,11 +149,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2409',
-    'model_id': None,
+    'model_id': 'DS2409',
     'name': '1F.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -181,11 +181,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS1822',
-    'model_id': None,
+    'model_id': 'DS1822',
     'name': '22.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -213,11 +213,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2438',
-    'model_id': None,
+    'model_id': 'DS2438',
     'name': '26.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -245,11 +245,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS18B20',
-    'model_id': None,
+    'model_id': 'DS18B20',
     'name': '28.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -277,11 +277,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS18B20',
-    'model_id': None,
+    'model_id': 'DS18B20',
     'name': '28.222222222222',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '222222222222',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -309,11 +309,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS18B20',
-    'model_id': None,
+    'model_id': 'DS18B20',
     'name': '28.222222222223',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '222222222223',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -341,11 +341,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2408',
-    'model_id': None,
+    'model_id': 'DS2408',
     'name': '29.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -373,11 +373,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2760',
-    'model_id': None,
+    'model_id': 'DS2760',
     'name': '30.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -405,11 +405,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2413',
-    'model_id': None,
+    'model_id': 'DS2413',
     'name': '3A.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -437,11 +437,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS1825',
-    'model_id': None,
+    'model_id': 'DS1825',
     'name': '3B.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -469,11 +469,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS28EA00',
-    'model_id': None,
+    'model_id': 'DS28EA00',
     'name': '42.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -501,11 +501,11 @@
     }),
     'manufacturer': 'Embedded Data Systems',
     'model': 'EDS0068',
-    'model_id': None,
+    'model_id': 'EDS0068',
     'name': '7E.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -533,11 +533,11 @@
     }),
     'manufacturer': 'Embedded Data Systems',
     'model': 'EDS0066',
-    'model_id': None,
+    'model_id': 'EDS0066',
     'name': '7E.222222222222',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '222222222222',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -565,11 +565,11 @@
     }),
     'manufacturer': 'Maxim Integrated',
     'model': 'DS2438',
-    'model_id': None,
+    'model_id': 'DS2438',
     'name': 'A6.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -597,11 +597,11 @@
     }),
     'manufacturer': 'Hobby Boards',
     'model': 'HobbyBoards_EF',
-    'model_id': None,
+    'model_id': 'HobbyBoards_EF',
     'name': 'EF.111111111111',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111111',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -629,11 +629,11 @@
     }),
     'manufacturer': 'Hobby Boards',
     'model': 'HB_MOISTURE_METER',
-    'model_id': None,
+    'model_id': 'HB_MOISTURE_METER',
     'name': 'EF.111111111112',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111112',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
@@ -661,11 +661,11 @@
     }),
     'manufacturer': 'Hobby Boards',
     'model': 'HB_HUB',
-    'model_id': None,
+    'model_id': 'HB_HUB',
     'name': 'EF.111111111113',
     'name_by_user': None,
     'primary_config_entry': <ANY>,
-    'serial_number': None,
+    'serial_number': '111111111113',
     'suggested_area': None,
     'sw_version': None,
     'via_device_id': None,
diff --git a/tests/components/onewire/test_diagnostics.py b/tests/components/onewire/test_diagnostics.py
index ebbd8fdbf02..60b57bd14f7 100644
--- a/tests/components/onewire/test_diagnostics.py
+++ b/tests/components/onewire/test_diagnostics.py
@@ -23,20 +23,6 @@ def override_platforms() -> Generator[None]:
         yield
 
 
-DEVICE_DETAILS = {
-    "device_info": {
-        "identifiers": [["onewire", "EF.111111111113"]],
-        "manufacturer": "Hobby Boards",
-        "model": "HB_HUB",
-        "name": "EF.111111111113",
-    },
-    "family": "EF",
-    "id": "EF.111111111113",
-    "path": "/EF.111111111113/",
-    "type": "HB_HUB",
-}
-
-
 @pytest.mark.parametrize("device_id", ["EF.111111111113"], indirect=True)
 async def test_entry_diagnostics(
     hass: HomeAssistant,