{"_score":0,"docId":"580003709","dateModify":"02/25/2026","personId":580003709,"name":"Johan A. Maertens","displayName":"Johan A. Maertens","displayNameShort":"Johan Maertens","displayLastName":"Mr. Maertens","initials":"JM","familyName":"Maertens","score":61.03331812543448,"yearsOfExperience":0,"issuers":[],"insurance":[],"phone":null,"isUSPrescriber":false,"languages":[],"address":{"city":"Leuven","stateProvince":"Flanders","stateProvinceCode":"VLG","country2Code":"BE","country":"Belgium","fidelity":1,"latlon":"50.8785917,4.6743355","distance":null,"lat":50.8785917,"lon":4.6743355,"orgPhoneNumber":null,"orgLogo":null,"orgName":"UZLEUVEN","healthSystem":{},"locationString":"Leuven, VLG, BE","location":"Leuven, VLG, BE","staticMapAlt":"Leuven, VLG, Belgium","staticMapHref":"https://www.google.com/maps/search/?api=1&query=leuven%2C%2Bvlg%2C%2Bbelgium","staticMapUrl":"https://cdn.medifind.com/maps/api/staticmap?center=leuven%2C%2Bvlg%2C%2Bbelgium&zoom=17&size=600x200&scale=2&maptype=roadmap&markers=size:mid%7Ccolor:0xea4335%7Cleuven%2C%2Bvlg%2C%2Bbelgium&key=AIzaSyBjH8KBPQ6X8jWF2C1xp1ZuJ-C4vjsRl2Y&signature=ef83i4UqBqr8kL46k-AdssRofVk="},"addresses":null,"demographics":{"sex":"M"},"distance":null,"distanceValue":null,"distanceUnit":"mi","specialties":["Transplant Surgery"],"primarySpecialtyLookup":{"specialty":"Transplant Surgery","slug":"transplant-surgery","role":"Transplant Surgeon"},"image":"https://cdn.medifind.com/imgrepo/43416","affiliations":null,"primaryOrgName":"Uzleuven","socialMedia":[],"credentials":{"trainingInstitution":{}},"isDoctor":true,"fellowships":[],"highlyRatedConditionsCount":4,"orgLogo":null,"orgWebsite":null,"isPremium":null,"healthSystem":{},"hasPublication":true,"youtubeVideos":null,"badges":{"roles":false,"awards":false,"fellowships":false,"telemedicine":false,"acceptsNewPatients":false},"topCodings":[],"codingCount":7,"appointmentPhone":null,"appointmentURL":null,"isMediFindAppointment":false,"acceptsMedicare":false,"acceptsNewPatients":false,"telemedicine":false,"biography":"<p>Johan Maertens is a Transplant Surgeon in Leuven, Belgium. Mr. Maertens  is highly rated in 4 conditions, according to our data. His top areas of expertise are Febrile Neutropenia, Chronic Graft Versus Host Disease (cGvHD), Paroxysmal Nocturnal Hemoglobinuria (PNH), Bone Marrow Transplant, and Bone Graft.</p><p>His <a href=\"#research\">clinical research</a> consists of co-authoring 563 peer reviewed articles and participating in 13 clinical trials. MediFind looks at clinical research from the past 15 years.</p>","conditions":[{"conditionId":454153107,"score":86.33353013144375,"codingName":"Bone Marrow Transplant","type":"procedure","projectId":6374},{"conditionId":337118127,"score":54.49602663410121,"codingName":"Febrile Neutropenia","type":"condition","projectId":6500},{"conditionId":389485182,"score":46.410559080239075,"codingName":"Chronic Graft Versus Host Disease (cGvHD)","type":"condition","projectId":6596},{"conditionId":454152656,"score":32.532289172460935,"codingName":"Bone Graft","type":"procedure","projectId":6590},{"conditionId":337548081,"score":14.142135623730953,"codingName":"Paroxysmal Nocturnal Hemoglobinuria (PNH)","type":"condition","projectId":6486},{"conditionId":454152860,"score":8.442384475628305,"codingName":"Kidney Transplant","type":"procedure","projectId":6376},{"conditionId":454152931,"score":7.774817718372215,"codingName":"Splenectomy","type":"procedure","projectId":6613}],"residencyInstitution":null}