diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 56186c4..bb9bb97 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -688,4 +688,5 @@
 erpnext.patches.v12_0.update_price_list_currency_in_bom
 execute:frappe.delete_doc_if_exists('Dashboard', 'Accounts')
 erpnext.patches.v13_0.update_actual_start_and_end_date_in_wo
+erpnext.patches.v13_0.set_company_field_in_healthcare_doctypes
 erpnext.patches.v12_0.update_bom_in_so_mr
diff --git a/erpnext/patches/v13_0/set_company_field_in_healthcare_doctypes.py b/erpnext/patches/v13_0/set_company_field_in_healthcare_doctypes.py
new file mode 100644
index 0000000..2c646b1
--- /dev/null
+++ b/erpnext/patches/v13_0/set_company_field_in_healthcare_doctypes.py
@@ -0,0 +1,9 @@
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	company = frappe.db.get_single_value('Global Defaults', 'default_company')
+	doctypes = ['Clinical Procedure', 'Inpatient Record', 'Lab Test', 'Patient Appointment', 'Patient Encounter', 'Vital Signs']
+	for entry in doctypes:
+		if frappe.db.exists('DocType', entry):
+			frappe.db.sql("update `tab{dt}` set company = '{company}' where ifnull(company, '') = ''".format(dt=entry, company=company))