diff --git a/src/Grids.jl b/src/Grids.jl
index 9c99b00..26f00bf 100644
--- a/src/Grids.jl
+++ b/src/Grids.jl
@@ -1090,31 +1090,37 @@ function get_tiled_cellranges(model::PB.Model, ntiles::Int, interior_domain_name
     interior_domain = PB.get_domain(model, interior_domain_name)
     interior_cellranges = cellrange_cartesiantile(interior_domain, interior_domain.grid, ntiles, operatorID=operatorID)
   
+    io = IOBuffer()
+    println(io, "get_tiled_cellranges:")
+
     cellranges = [] # vector of vectors, 1 per tile
     for it in 1:ntiles
-        println("creating CellRanges for tile $it")      
+        println(io, "  creating CellRanges for tile $it")      
         tcellranges = []
         push!(tcellranges, interior_cellranges[it])
         for dom in model.domains            
             if !isnothing(dom.grid) && dom != interior_domain
                 push!(tcellranges, cellrange_from_columns(dom, dom.grid, interior_cellranges[it]))            
-                println("  add CellRange for domain $(dom.name) length $(length(last(tcellranges).indices))")
+                println(io, "    add CellRange for domain $(dom.name) length $(length(last(tcellranges).indices))")
             end
         end
         push!(cellranges, tcellranges)
     end
     # create cellranges for scalar Domains
     cellrangesscalar = []
-    @info "creating CellRanges for scalar domains"
+    println(io, "  creating CellRanges for scalar domains")
     for dom in model.domains            
         if isnothing(dom.grid)
             push!(cellrangesscalar, create_default_cellrange(dom, dom.grid, operatorID=operatorID))
-            @info "  added CellRange for scalar domain $(dom.name)"
+            println(io, "    added CellRange for scalar domain $(dom.name)")
         end
     end
-    @info "adding CellRanges for scalar domains to first tile"
+    println(io, "  adding CellRanges for scalar domains to first tile")
+    
     append!(first(cellranges), cellrangesscalar)
 
+    @info String(take!(io))
+
     return cellranges
 end
 
diff --git a/src/Model.jl b/src/Model.jl
index 34e5dde..29b35e0 100644
--- a/src/Model.jl
+++ b/src/Model.jl
@@ -717,7 +717,9 @@ end
 
 function _dispatch_cellranges(@nospecialize(method::AbstractReactionMethod), cellranges)
     if is_do_barrier(method)
-        return (nothing, )
+        operatorID = method.operatorID
+        any_cellranges = any((cr.operatorID == 0 || cr.operatorID in operatorID) for cr in cellranges)
+        return any_cellranges ? (nothing, ) : ()
     else
         domain = method.domain
         operatorID = method.operatorID
diff --git a/src/reactionmethods/SetupInitializeUtilityMethods.jl b/src/reactionmethods/SetupInitializeUtilityMethods.jl
index 89ee9c0..e2bad36 100644
--- a/src/reactionmethods/SetupInitializeUtilityMethods.jl
+++ b/src/reactionmethods/SetupInitializeUtilityMethods.jl
@@ -222,11 +222,11 @@ function do_method_barrier(m::ReactionMethod, _, _, _)
 end
 
 """
-    reaction_method_thread_barrier(barrier)
+    reaction_method_thread_barrier(barrier, barrierfn; [operatorID=[1]])
 
 Create a ReactionMethod holding a thread barrier `barrier`.
 """
-function reaction_method_thread_barrier(barrier, barrierfn)
+function reaction_method_thread_barrier(barrier, barrierfn; operatorID=[1])
     
     return ReactionMethod(
         do_method_barrier,
@@ -234,7 +234,7 @@ function reaction_method_thread_barrier(barrier, barrierfn)
         "thread_barrier",
         (VarList_nothing(),),
         (barrier, barrierfn), # p 
-        [-1], 
+        operatorID, 
         Domain(name="thread_barrier", ID=-1, parameters=Dict{String, Any}()),
     )
 end