Laravel Postgres multischema DB migrations

Question

I am using Postgres and Laravel 5.8. My database has multiple schemas. Each schema has a patients table. I am creating authentication for the patients in each schema by adding a password column in the existing patient's table. The migration loops through each schema and should add the password column if it doesn't exist. The migration is created successfully in my console and the migrations table, but not in the database table. I have tried several attempts but still nothing. Any advice on what I may be doing wrong will be appreciated.

Migration

class UpdatePatientsAuthentication extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        $facilities = Facility::all();

        foreach ($facilities as $facility) {
            $search_path = $facility['schema_name'];
            DB::statement("SET search_path = $search_path");
            if (Schema::hasTable('patients')) {
                Schema::table('patients', function (Blueprint $table) {
                    $table->string('password')->nullable();
                });
            }
        }
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        $table->dropColumn('password');
    }
}