{"schema_version":"1","generated_at":"2026-10-31T00:49:23.567Z","data_as_of":null,"url":"https://www.findmykol.com/kol/john-nanninga","json_url":"https://www.findmykol.com/kol/john-nanninga/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"john-nanninga","name":"John Nanninga","credential":"MD","specialty":"Urology","specialty_raw":"Urology","therapeutic_area":"Genitourinary","therapeutic_areas":["Genitourinary"],"institution":"Northwestern University","institution_url":"https://www.findmykol.com/institution/northwestern-university-feinberg-school-of-medicine","city":"Chicago","state":"IL","region":{"label":"Midwest","url":"https://www.findmykol.com/region/midwest"}},"identifiers":{"npi":"1134223621","openalex":"A5007350682"},"summary":"John Nanninga is a Genitourinary physician affiliated with Northwestern University. OpenAlex indexes 47 publications with 740 citations (h-index 17).","overview":null,"focus":{"indications":[],"research_topics":["Genitourinary"]},"scholarship":{"works_count":47,"cited_by_count":740,"h_index":17,"latest_activity_year":2009,"source":"works"},"funding":{"award_count":1,"fiscal_years":{"first":1987,"last":1989},"rows_total":3,"shown":3,"withheld":0,"matched_by":"principal investigator name at an organization in the practice state","rows":[{"project":"M01RR000048","title":"SACRAL NERVE STIMULATOR FOR URINARY BLADDER CONTROL","fiscal_year":1989,"organization":"NORTHWESTERN UNIVERSITY","source_url":"https://reporter.nih.gov/quickSearch/M01RR000048"},{"project":"M01RR000048","title":"SACRAL NERVE STIMULATOR FOR URINARY BLADDER CONTROL","fiscal_year":1988,"organization":"NORTHWESTERN UNIVERSITY","source_url":"https://reporter.nih.gov/quickSearch/M01RR000048"},{"project":"M01RR000048","title":"SACRAL NERVE STIMULATOR FOR URINARY BLADDER CONTROL","fiscal_year":1987,"organization":"NORTHWESTERN UNIVERSITY","source_url":"https://reporter.nih.gov/quickSearch/M01RR000048"}],"source":"grants"},"publications":{"total":47,"shown":5,"withheld":42,"matched_by":"OpenAlex author record","recent":[{"title":"Reduction of bladder contractility after alpha-adrenergic blockade and after ganglionic blockade","year":2009,"journal":"Acta Neurologica Scandinavica","source_url":"https://doi.org/10.1111/j.1600-0404.1979.tb02927.x","status":"verified"},{"title":"Augmentation of bladder contractility after beta-adrenergic blockade in spinal cord injured patients","year":2009,"journal":"Acta Neurologica Scandinavica","source_url":"https://doi.org/10.1111/j.1600-0404.1980.tb01474.x","status":"verified"},{"title":"Upper urinary tract abnormalities in multiple sclerosis patients with urinary symptoms","year":1996,"journal":"Archives of Physical Medicine and Rehabilitation","source_url":"https://doi.org/10.1016/s0003-9993(96)90106-9","status":"verified"},{"title":"Use of Electrocoagulation in the Treatment of Vesicovaginal Fistulas","year":1994,"journal":"The Journal of Urology","source_url":"https://doi.org/10.1016/s0022-5347(17)32441-2","status":"verified"},{"title":"Some Aspects of Striated Urethral Sphincter Structure and Function","year":1994,"journal":"The Journal of Urology","source_url":"https://doi.org/10.1016/s0022-5347(17)31667-1","status":"verified"}],"source":"works"},"similar":[{"name":"Timothy Kuzel","slug":"timothy-kuzel","institution":"Northwestern University","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/timothy-kuzel","json_url":"https://www.findmykol.com/kol/timothy-kuzel/profile.json"},{"name":"Joel Charrow","slug":"joel-charrow","institution":"Northwestern University","specialty":"Clinical Genetics (M.D.)","url":"https://www.findmykol.com/kol/joel-charrow","json_url":"https://www.findmykol.com/kol/joel-charrow/profile.json"},{"name":"Paul Cremer","slug":"paul-cremer","institution":"Northwestern University","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/paul-cremer","json_url":"https://www.findmykol.com/kol/paul-cremer/profile.json"},{"name":"Arthur Mandelin","slug":"arthur-mandelin","institution":"Northwestern University","specialty":"Rheumatology","url":"https://www.findmykol.com/kol/arthur-mandelin","json_url":"https://www.findmykol.com/kol/arthur-mandelin/profile.json"},{"name":"Howard Scher","slug":"howard-scher","institution":"Memorial Sloan Kettering Cancer Center","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/howard-scher","json_url":"https://www.findmykol.com/kol/howard-scher/profile.json"},{"name":"Toni Choueiri","slug":"toni-choueiri","institution":"Dana-Farber Cancer Institute","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/toni-choueiri","json_url":"https://www.findmykol.com/kol/toni-choueiri/profile.json"},{"name":"Robert Motzer","slug":"robert-motzer","institution":"Memorial Sloan Kettering Cancer Center","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/robert-motzer","json_url":"https://www.findmykol.com/kol/robert-motzer/profile.json"},{"name":"Fred Saad","slug":"fred-saad","institution":"Centre hospitalier de l'Université de Montréal (CHUM)","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/fred-saad","json_url":"https://www.findmykol.com/kol/fred-saad/profile.json"}],"coverage":{"note":"A basic record from the physician directory. Sections absent here were not yet checked for this person, so absence means not yet looked, never none found.","not_yet_checked":["congress","network","presence","recognition"]},"not_included":{"note":"This document is the public layer: neutral facts cited to their source. Judgments (influence tier, archetype, trajectory commentary) and the itemized rows past each section's public teaser are account features and are not served here or to crawlers.","withheld_rows":{"publications":42}},"sources":{"identity":{"name":"NPPES (CMS)","url":"https://npiregistry.cms.hhs.gov","provides":"Identity, specialty and practice location for every U.S. clinician"},"works":{"name":"OpenAlex","url":"https://openalex.org","provides":"Citations, h-index, research topics, most-cited works and congress abstracts"},"grants":{"name":"NIH RePORTER","url":"https://reporter.nih.gov","provides":"Federally funded research awards, by fiscal year"}},"methodology_url":"https://www.findmykol.com/about#methodology"}