diff --git a/src/sempy_labs/semantic_model/_Fix_DoNotSummarize.py b/src/sempy_labs/semantic_model/_Fix_DoNotSummarize.py
new file mode 100644
index 000000000..eea8a0993
--- /dev/null
+++ b/src/sempy_labs/semantic_model/_Fix_DoNotSummarize.py
@@ -0,0 +1,61 @@
+# Fix "Do not summarize numeric columns" — standalone BPA fixer.
+# Sets SummarizeBy to None on all numeric data columns.
+
+from typing import Optional
+from uuid import UUID
+from sempy._utils._log import log
+
+
+@log
+def fix_do_not_summarize(
+    dataset: str | UUID,
+    workspace: Optional[str | UUID] = None,
+    scan_only: bool = False,
+) -> int:
+    """
+    Sets SummarizeBy to None on numeric data columns.
+
+    Parameters
+    ----------
+    dataset : str | UUID
+        Name or ID of the semantic model.
+    workspace : str | uuid.UUID, default=None
+        The Fabric workspace name or ID.
+    scan_only : bool, default=False
+        If True, only reports what would be fixed without making changes.
+
+    Returns
+    -------
+    int
+        Number of items fixed.
+    """
+    from sempy_labs.tom import connect_semantic_model
+
+    fixed = 0
+    with connect_semantic_model(dataset=dataset, readonly=scan_only, workspace=workspace) as tom:
+        import Microsoft.AnalysisServices.Tabular as TOM
+
+        for table in tom.model.Tables:
+            for col in table.Columns:
+                if col.Type != TOM.ColumnType.Data:
+                    continue
+                if col.DataType not in (TOM.DataType.Int64, TOM.DataType.Double, TOM.DataType.Decimal):
+                    continue
+                if str(col.SummarizeBy) == "None":
+                    continue
+                if scan_only:
+                    print(f"  Would fix: '{table.Name}'[{col.Name}] SummarizeBy={col.SummarizeBy} → None")
+                else:
+                    none_attr = getattr(TOM.AggregateFunction, "None_", None)
+                    if none_attr is None:
+                        raise RuntimeError(
+                            f"Could not set SummarizeBy=None on column \"{col.Name}\": "
+                            f"TOM.AggregateFunction.None_ is not available in this environment."
+                        )
+                    col.SummarizeBy = none_attr
+                    print(f"  Fixed: '{table.Name}'[{col.Name}] → SummarizeBy=None")
+                fixed += 1
+
+    action = "Would fix" if scan_only else "Fixed"
+    print(f"  {action} {fixed} column(s).")
+    return fixed
diff --git a/src/sempy_labs/semantic_model/__init__.py b/src/sempy_labs/semantic_model/__init__.py
index 7c117f392..32eddc7dd 100644
--- a/src/sempy_labs/semantic_model/__init__.py
+++ b/src/sempy_labs/semantic_model/__init__.py
@@ -6,10 +6,12 @@
 from ._caching import (
     enable_query_caching,
 )
+from ._Fix_DoNotSummarize import fix_do_not_summarize
 
 __all__ = [
     "approved_for_copilot",
     "set_endorsement",
     "make_discoverable",
     "enable_query_caching",
+    "fix_do_not_summarize",
 ]