{"schema_version":"1","generated_at":"2026-11-11T07:12:59.903Z","data_as_of":null,"url":"https://www.findmykol.com/kol/martyn-knowles","json_url":"https://www.findmykol.com/kol/martyn-knowles/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"martyn-knowles","name":"Martyn Knowles","credential":"MD","specialty":"Surgery","specialty_raw":"Surgery","therapeutic_area":"Surgery","therapeutic_areas":["Surgery"],"institution":"Rex Hospital","institution_url":"https://www.findmykol.com/institution/rex-hospital","city":"Raleigh","state":"NC","region":{"label":"Southeast","url":"https://www.findmykol.com/region/southeast"}},"identifiers":{"npi":"1265632731","orcid":"0000-0003-3135-1973","openalex":"A5080741328"},"summary":"Martyn Knowles is a Surgery physician affiliated with Rex Hospital. OpenAlex indexes 58 publications with 684 citations (h-index 16).","overview":null,"focus":{"indications":[],"research_topics":["Surgery"]},"scholarship":{"works_count":58,"cited_by_count":684,"h_index":16,"latest_activity_year":2025,"source":"works"},"payments":{"company_count":22,"program_years":{"first":2021,"last":null},"rows_total":52,"shown":3,"withheld":49,"rows":[{"payer":"Penumbra, Inc.","program_year":2025,"amount_usd":87803.01,"payment_count":68,"source_url":"https://openpaymentsdata.cms.gov/search?query=1265632731"},{"payer":"CORDIS US CORP.","program_year":2025,"amount_usd":1500,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1265632731"},{"payer":"Contego Medical, Inc","program_year":2025,"amount_usd":225,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1265632731"}],"record_url":"https://openpaymentsdata.cms.gov/search?query=1265632731","source":"payments"},"similar":[{"name":"James Zidar","slug":"james-zidar","institution":"Rex Hospital","specialty":"Interventional Cardiology","url":"https://www.findmykol.com/kol/james-zidar","json_url":"https://www.findmykol.com/kol/james-zidar/profile.json"},{"name":"Tibor Becske","slug":"tibor-becske","institution":"Rex Hospital","specialty":"Vascular Neurology","url":"https://www.findmykol.com/kol/tibor-becske","json_url":"https://www.findmykol.com/kol/tibor-becske/profile.json"},{"name":"Ravish Sachar","slug":"ravish-sachar","institution":"Rex Hospital","specialty":"Interventional Cardiology","url":"https://www.findmykol.com/kol/ravish-sachar","json_url":"https://www.findmykol.com/kol/ravish-sachar/profile.json"},{"name":"Jeremiah Boles","slug":"jeremiah-boles","institution":"Rex Hospital","specialty":"Hematology / Oncology","url":"https://www.findmykol.com/kol/jeremiah-boles","json_url":"https://www.findmykol.com/kol/jeremiah-boles/profile.json"},{"name":"Yao Xiao","slug":"yao-xiao","institution":"Brigham and Women's Hospital","specialty":"Surgery","url":"https://www.findmykol.com/kol/yao-xiao","json_url":"https://www.findmykol.com/kol/yao-xiao/profile.json"},{"name":"Thomas Tsai","slug":"thomas-tsai","specialty":"Surgery","url":"https://www.findmykol.com/kol/thomas-tsai","json_url":"https://www.findmykol.com/kol/thomas-tsai/profile.json"},{"name":"Peter Wang","slug":"peter-wang","specialty":"Surgery","url":"https://www.findmykol.com/kol/peter-wang","json_url":"https://www.findmykol.com/kol/peter-wang/profile.json"},{"name":"John Francis","slug":"john-francis","specialty":"Surgery","url":"https://www.findmykol.com/kol/john-francis","json_url":"https://www.findmykol.com/kol/john-francis/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":49}},"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"},"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"}