{"schema_version":"1","generated_at":"2026-11-15T16:47:55.510Z","data_as_of":null,"url":"https://www.findmykol.com/kol/sigrun-hallmeyer","json_url":"https://www.findmykol.com/kol/sigrun-hallmeyer/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"sigrun-hallmeyer","name":"Sigrun Hallmeyer","credential":"MD","specialty":"Hematology / Oncology","specialty_raw":"Hematology & Oncology","therapeutic_area":"Oncology","therapeutic_areas":["Oncology"],"institution":"Advocate Health","institution_url":"https://www.findmykol.com/institution/advocate-health","city":"Park Ridge","state":"IL","region":{"label":"Midwest","url":"https://www.findmykol.com/region/midwest"}},"identifiers":{"npi":"1164481412","orcid":"0000-0001-5342-2846","openalex":"A5069118457"},"summary":"Sigrun Hallmeyer is an Oncology physician affiliated with Advocate Health. OpenAlex indexes 69 publications with 6,516 citations (h-index 24); ClinicalTrials.gov lists 1 registered study matched to this name.","overview":null,"focus":{"indications":[],"research_topics":["Oncology"]},"scholarship":{"works_count":69,"cited_by_count":6516,"h_index":24,"latest_activity_year":2025,"source":"works"},"trials":{"count":1,"shown":1,"withheld":0,"matched_by":"investigator name, confirmed against institution and geography","rows":[{"nct":"NCT02660996","title":"Effectiveness of the Advocate Lutheran General Survivorship Center Programs","status":"COMPLETED","role":"Overall official","sponsor":"Wake Forest University Health Sciences","source_url":"https://clinicaltrials.gov/study/NCT02660996","trial_url":"https://www.findmykol.com/trial/NCT02660996"}],"source":"trials"},"payments":{"company_count":14,"program_years":{"first":2021,"last":null},"rows_total":49,"shown":3,"withheld":46,"rows":[{"payer":"Merck & Co.","program_year":2025,"amount_usd":71528.33,"payment_count":5,"source_url":"https://openpaymentsdata.cms.gov/search?query=1164481412"},{"payer":"Regeneron","program_year":2025,"amount_usd":65017.64,"payment_count":15,"source_url":"https://openpaymentsdata.cms.gov/search?query=1164481412"},{"payer":"Pfizer","program_year":2025,"amount_usd":55449.55,"payment_count":10,"source_url":"https://openpaymentsdata.cms.gov/search?query=1164481412"}],"record_url":"https://openpaymentsdata.cms.gov/search?query=1164481412","source":"payments"},"similar":[{"name":"Demetrius Lopes","slug":"demetrius-lopes","institution":"Advocate Health","specialty":"Neurological Surgery","url":"https://www.findmykol.com/kol/demetrius-lopes","json_url":"https://www.findmykol.com/kol/demetrius-lopes/profile.json"},{"name":"Patrick Sugrue","slug":"patrick-sugrue","institution":"Advocate Health","specialty":"Neurological Surgery","url":"https://www.findmykol.com/kol/patrick-sugrue","json_url":"https://www.findmykol.com/kol/patrick-sugrue/profile.json"},{"name":"Sorin Danciu","slug":"sorin-danciu","institution":"Advocate Health","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/sorin-danciu","json_url":"https://www.findmykol.com/kol/sorin-danciu/profile.json"},{"name":"Anit Behera","slug":"anit-behera","institution":"Advocate Health","specialty":"Vascular Neurology","url":"https://www.findmykol.com/kol/anit-behera","json_url":"https://www.findmykol.com/kol/anit-behera/profile.json"},{"name":"Carl June","slug":"carl-june","institution":"University of Pennsylvania","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/carl-june","json_url":"https://www.findmykol.com/kol/carl-june/profile.json"},{"name":"Stuart Orkin","slug":"stuart-orkin","institution":"Harvard Medical School","specialty":"Hematology / Oncology","url":"https://www.findmykol.com/kol/stuart-orkin","json_url":"https://www.findmykol.com/kol/stuart-orkin/profile.json"},{"name":"Rainer Storb","slug":"rainer-storb","institution":"University of Washington","specialty":"Hematology / Oncology","url":"https://www.findmykol.com/kol/rainer-storb","json_url":"https://www.findmykol.com/kol/rainer-storb/profile.json"},{"name":"Christina Fitzmaurice","slug":"christina-fitzmaurice","specialty":"Hematology / Oncology","url":"https://www.findmykol.com/kol/christina-fitzmaurice","json_url":"https://www.findmykol.com/kol/christina-fitzmaurice/profile.json"}],"coverage":{"note":"A basic directory record. Sections absent here were not yet checked for this person, so absence means not yet looked, never none found.","not_yet_checked":["funding","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":{"payments":46}},"sources":{"orcid":{"name":"ORCID","url":"https://orcid.org","provides":"The verified researcher identity that anchors authorship"},"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"},"trials":{"name":"ClinicalTrials.gov","url":"https://clinicaltrials.gov","provides":"Investigator roles on registered clinical studies"},"payments":{"name":"CMS Open Payments","url":"https://openpaymentsdata.cms.gov","provides":"Industry payments reported to CMS, by company and program year","disclaimer":"Payments are publicly reported to CMS. Their existence does not imply wrongdoing; CMS does not interpret these data.","coverage":"Program years 2021 onward"}},"methodology_url":"https://www.findmykol.com/about#methodology"}