Awards/honorary memberships:
- 1986: Chanfleury van IJsselsteinprijs for: Koehler PJ, Endtz LJ, Te Velde J, Hekster REM. Aware or non-aware. On the significance of awareness for the localization of the lesion for homonymous hemianopia. J Neurol Sci 1986;75:255-62.
- 1989: Gerrit Arie Lindeboom Award for: Koehler PJ. Het localisatieconcept in de neurologie van Brown-Séquard. [The localisation concept in neurology of Brown-Séquard]. Amsterdam, Rodopi, 1989
- 1998: Corresponding member of the Schweizerische Neurologische Gesellschaft
- 1998: Van Berckel Award for: Koehler PJ, Buscher M, Rozeman C, Leffers P, Twijnstra A. Peroneal nerve neuropathy in cancer patients. A paraneoplastic syndrome? J Neurol 1997;244:328-32
- 2002: Honourable mention: Van Berckel Award for historical work.
- 2002: Fellow of the American Academy of Neurology
- 2006: Lawrence C. McHenry Award of the American Academy of Neurology ‘given in recognition of your outstanding achievements in history research’.
- 2014: VAAN (Netherlands Society for Neurology Registrars) silver Babinski award for resident instruction.
- 2016: Co-recipient (with Kimberley Fleuren) of the Lawrence C. McHenry Award of the American Academy of Neurology; for: Fleuren K, Koehler PJ. Cinematography of cerebellar function. Rademaker’s films of cerebellectomized experimental animals and human tumor cases (1926 – 1940). The Magnus – Rademaker film collection. American Academy of Neurology, Vancouver, April 17th 2016.
- 2016: Poster award NVN for Fleuren K, Koehler PJ. Motorische reacties bij normale en spastische kinderen. De Magnus-Rademaker filmcollectie (1908 – 1941). Nunspeet, 10-11 november 2016.
- 2022 Rome ISHN meeting: Lifetime contribution to the History of the Neurosciences Award (International Society of the Neurosciences (www.ishn.org and here))
- 2023 Penrith Anglo-Dutch Migraine Association (ADMA) meeting: certificate of appreciation “in recognition of exceptional dedication of the ADMA”