prof. dr. N.J. de Wit

Full Professor

  • Julius Center Research

prof. dr. N.J. de Wit


Niek de Wit has been working as a general practitioner for more than 25 years. In 2009 he was appointed as professor in General Practice at the University Medical Center in Utrecht, the Netherlands. From 2010 until July 2019 he has been manager of the Julius Health Centers, the academic general practice in Utrecht. Since June 2019 he is Division chair ad interim of the Julius Center of Health Sciences and Primary Care at the UMC Utrecht.


His research focus is on health care innovation, gastrointestinal disease and oncology in primary care. He is co-author of national and international guidelines on IBS, dyspepsia, diverticulitis and colorectal cancer. In the past years he has been involved in the development of a regional health care network , aiming at primary- hospital care collaboration, optimizing health care pathways and facilitating health care innovation initiatives in the Utrecht region.


From 2010-2012 he was visiting professor at Kings’ College, London, UK. From 2012 he is visiting professor at the University of Durham, UK , and in 2014 he was inaugurated as fellow of the Royal College of Physicians, Edinburg, UK.

Side Activities

    • member of the advisory board of the Quality Institute of the Dutch Ministry of Health
    • co-author of the Future Strategy 2022 ofthe Dutch College of general Practice (NHG)
    • member of the Woudschoten committee on core value and tasks of Dutch GPs.
    • member of the NHG guideline committee on dyspesia, diverticulitis and IBS
    • member of the Quality of care research program committee of the Dutch Research Foundation ZON/MW)
    • member of the scientific advisory board of the Dutch Cancer Foundation.
    • member of the international advisory board of the Norwegian Primary Care Research Network
    • member if the advsory board of the German General Practice research network
    • international partner of UK based CANTEST consortium for cancer diagnosis in primary 
    • member of the board of trustees of the General Practitioners organisation Gelderse Vallei.
    • member of the editorial board of Family Practice
    • member of the executive committee of the European Society for Primary Care Gastroenterology
    • member of the scientific committee of WONCA 2022 

Research Output (325)

Feasibility and success rates of response enhancing strategies in a stepwise prevention program for cardiometabolic diseases in primary care

Badenbroek Ilse F, Nielen Marcus M J, Hollander Monika, Stol Daphne M, Kraaijenhagen Roderik A, de Wit Niek J, Schellevis François G 1 dec 2020, In: BMC Family Practice. 21

The association between GP organisational factors and the effectiveness of a prevention programme for cardiometabolic diseases:a prospective intervention study

Badenbroek Ilse F, Stol Daphne M, Nielen Markus Mj, Hollander Monika, de Wit Niek J, Schellevis François G 17 nov 2020, In: BJGP Open. 4

Value of social network analysis for developing and evaluating complex healthcare interventions:a scoping review

Smit Linda C, Dikken Jeroen, Schuurmans Marieke J, de Wit Niek J, Bleijenberg Nienke 17 nov 2020, In: BMJ Open. 10 , p. e039681

Time to diagnosis of symptomatic gastric and oesophageal cancer in the Netherlands:Where is the room for improvement?

van Erp N. F., Helsper C. W., Slottje P., Brandenbarg D., Büchner F. L., van Asselt K. M., Muris J. W.M., Kortekaas M. F., Peeters P. H.M., de Wit N. J. jun 2020, In: United European Gastroenterology Journal. 8 , p. 607-620 14 p.

Sneller verwijzen bij darmkanker

van Erp Nicole, Helsper Charles, Olyhoek Saskia, Janssen Ramon, Winsveen Amber, Peeters Petra, de Wit N. J. 4 apr 2020, In: Huisarts en Wetenschap. 63 , p. 14-17 4 p.

Quality of life in primary care patients with moderate medically unexplained physical symptoms

Van Westrienen P. E., Pisters M. F., Toonders S. A. J., Gerrits M., De Wit N. J., Veenhof C. mrt 2020, In: Quality of Life Research. 29 , p. 693-703 11 p.

Effectiveness of a stepwise cardiometabolic disease prevention program:Results of a randomized controlled trial in primary care

Stol Daphne M, Badenbroek Ilse F, Hollander Monika, Nielen Mark M J, Kraaijenhagen Roderik A, Schellevis François G, de Wit Niek J 16 jan 2020, In: Preventive Medicine. 132 7 p.

Redefining the core values and tasks of GPs in the Netherlands (Woudschoten 2019)

van der Horst Henriette E., de Wit Niek jan 2020, In: British Journal of General Practice. 70 , p. 38-39 2 p.

An evidence-based toolbox for the design and implementation of selective-prevention primary-care initiatives targeting cardio-metabolic disease

Sonderlund Anders Larrabee, Thilsing Trine, Korevaar Joke, Hollander Monika, Lionis Christos, Schellevis Francois, Wändell Per, Carlsson Axel C, de Waard Anne-Karien, de Wit Niek, Seifert Bohumil, Angelaki Agapi, Kral Norbert, Sondergaard Jens 1 dec 2019, In: Preventive Medicine Reports. 16

Off to a good start after a cancer diagnosis:implementation of a time out consultation in primary care before cancer treatment decision

Noteboom Eveline A., De Wit Niek J., Van Asseldonk Ingrid J. E. M., Janssen Monique C. A. M., Lam-Wong Wai Yee, Linssen Rob H. P. J., Pepels Manon J. A. E., Schrama Natascha A. W. P., Trompper Marielle E. H., Veldhuizen L. Maaike, Wijtvliet Anne P., Zeldenrust Ed G. F., Hendrikx Ans M., Van de Boomen Wil A., Elbersen Dorothe M., Jacobs Esther M. G., Van der Wall Elsken, Helsper Charles W. 16 nov 2019, In: Journal of cancer survivorship : research and practice. 14 , p. 9-13 5 p.

All Research Output (325)