diff --git a/README.md b/README.md
index f72631d..548774e 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,8 @@ Further optional arguments:
                       exclude centers
 --center-exclude-regex CENTER_EXCLUDE_REGEX
                       exclude centers by regex
+--additional-center "name;city;link", -ac "name;city;link
+                      Add additional centers or doctors e.g. "Corona Impfzentren - Berlin;Berlin;/institut/berlin/ciz-berlin-berlin"
 --include-neighbor-city, -n
                       include neighboring cities
 --start-date START_DATE
diff --git a/doctoshotgun.py b/doctoshotgun.py
index 488a462..053406c 100755
--- a/doctoshotgun.py
+++ b/doctoshotgun.py
@@ -264,7 +264,7 @@ def do_login(self, code):
 
         return True
 
-    def find_centers(self, where, motives=None):
+    def find_centers(self, where, motives=None, additional_centers=None):
         if motives is None:
             motives = self.vaccine_motives.keys()
         for city in where:
@@ -300,6 +300,17 @@ def find_centers(self, where, motives=None):
                 except KeyError:
                     pass
 
+        if additional_centers:
+            for additional_center in additional_centers:
+                splitted = additional_center.split(';')
+                if len(splitted) == 3:
+                    yield {
+                        "name_with_title": splitted[0], #"Corona Impfzentren - Berlin",
+                        "city": splitted[1], #"Berlin",
+                        "url": splitted[2], #"/institut/berlin/ciz-berlin-berlin"
+                    }
+
+
     def get_patients(self):
         self.master_patient.go()
 
@@ -618,6 +629,8 @@ def main(self, cli_args=None):
                             action='append', help='exclude centers')
         parser.add_argument('--center-exclude-regex',
                             action='append', help='exclude centers by regex')
+        parser.add_argument('--additional-center', '-ac',
+                            action='append', help='Add additional centers or doctors: "name;city;link" e.g. "Corona Impfzentren - Berlin;Berlin;/institut/berlin/ciz-berlin-berlin"')
         parser.add_argument(
             '--include-neighbor-city', '-n', action='store_true', help='include neighboring cities')
         parser.add_argument('--start-date', type=str, default=None,
@@ -756,7 +769,7 @@ def main(self, cli_args=None):
         while True:
             log_ts()
             try:
-                for center in docto.find_centers(cities, motives):
+                for center in docto.find_centers(cities, motives, args.additional_center):
                     if args.center:
                         if center['name_with_title'] not in args.center:
                             logging.debug("Skipping center '%s'" %
diff --git a/test_browser.py b/test_browser.py
index 63e7aa2..64f27be 100644
--- a/test_browser.py
+++ b/test_browser.py
@@ -114,6 +114,38 @@ def test_find_centers_de_returns_502_should_fail(tmp_path):
             pass
 
 
+@responses.activate
+def test_find_centers_de_should_return_additional_centers(tmp_path):
+    docto = DoctolibDE("roger.phillibert@gmail.com",
+                       "1234", responses_dirname=tmp_path)
+    docto.BASEURL = "https://127.0.0.1"
+
+    responses.add(
+        responses.GET,
+        "https://127.0.0.1/impfung-covid-19-corona/K%C3%B6ln?ref_visit_motive_ids%5B%5D=6768&ref_visit_motive_ids%5B%5D=6769&ref_visit_motive_ids%5B%5D=6936&ref_visit_motive_ids%5B%5D=6937&ref_visit_motive_ids%5B%5D=7978&ref_visit_motive_ids%5B%5D=7109&ref_visit_motive_ids%5B%5D=7110",
+        status=200,
+        body="{}"
+    )
+
+    additional_centers = [
+        'Corona Impfzentren - Köln;Köln;/institut/koeln/ciz-koeln-koeln',
+        'Dr. Dre;Köln;/allgemeinmedizin/koeln/dr-dre'
+    ]
+
+    centers = 0
+    for result in docto.find_centers(["Köln"], None, additional_centers):
+        splitted = additional_centers[centers].split(';')
+
+        assert result['name_with_title'] == splitted[0]
+        assert result['city'] == splitted[1]
+        assert result['url'] == splitted[2]
+
+        centers += 1
+
+    assert centers == len(additional_centers)
+    assert len(responses.calls) == 1
+
+
 @responses.activate
 def test_book_slots_should_succeed(tmp_path):
     """