{"_score":0,"docId":"9384237","dateModify":"04/29/2026","personId":9384237,"name":"Eugene S. Ahn","displayName":"Dr. Eugene S. Ahn","displayNameShort":"Dr. Eugene Ahn","displayLastName":"Dr. Ahn","initials":"EA","familyName":"Dr. Ahn","score":51.97241140788491,"yearsOfExperience":0,"issuers":[{"issuerName":"Walgreens","personifyId":554390256},{"issuerName":"Wellcare","personifyId":554375005},{"issuerName":"Anthem BCBS","personifyId":309961161},{"issuerName":"CareFirst","personifyId":309961147},{"issuerName":"Kaiser Permanente","personifyId":554375006},{"issuerName":"Humana","personifyId":309961191},{"issuerName":"Alignment Health Plan","personifyId":554554092},{"issuerName":"Blue Shield of California","personifyId":554448602},{"issuerName":"Cigna","personifyId":309961178},{"issuerName":"Aetna","personifyId":309961223},{"issuerName":"Managed Medicaid","personifyId":554456182},{"issuerName":"Anthem BCBS","personifyId":563469893},{"issuerName":"CVS Health","personifyId":563473958},{"issuerName":"UnitedHealthcare","personifyId":309961217},{"issuerName":"Medicaid","personifyId":554481722},{"issuerName":"Silverscript","personifyId":563472210}],"insurance":[{"issuerId":309961223,"issuerName":"Aetna","planTypes":["EPO","HMO","POS","PPO"]},{"issuerId":554554092,"issuerName":"Alignment Health Plan","planTypes":["MEDICARE MAPD","MEDICARE SNP","OTHER MEDICARE","OTHER MEDICARE PART D"]},{"issuerId":309961161,"issuerName":"Anthem BCBS","planTypes":["EPO","HMO","POS","PPO"]},{"issuerId":554448602,"issuerName":"Blue Shield of California","planTypes":["HMO","INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","MEDICARE PDP","MEDICARE-MEDICAID PLAN","OTHER COMMERCIAL","OTHER MEDICARE","OTHER MEDICARE PART D","PPO"]},{"issuerId":309961147,"issuerName":"CareFirst","planTypes":["HMO","POS","PPO"]},{"issuerId":309961178,"issuerName":"Cigna","planTypes":["EPO","HMO","PPO"]},{"issuerId":309961191,"issuerName":"Humana","planTypes":["HMO","INDEMNITY","POS","PPO"]},{"issuerId":554375006,"issuerName":"Kaiser Permanente","planTypes":["HMO","INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","MEDICARE PDP","OTHER MEDICARE","POS","PPO"]},{"issuerId":554456182,"issuerName":"Managed Medicaid","planTypes":["OTHER MANAGED MEDICAID"]},{"issuerId":554481722,"issuerName":"Medicaid","planTypes":["OTHER MEDICAID","STATE MEDICAID"]},{"issuerId":309961217,"issuerName":"UnitedHealthcare","planTypes":["EPO","HMO","POS","PPO"]},{"issuerId":554390256,"issuerName":"Walgreens","planTypes":["MEDICARE DISCOUNT CARD","MEDICARE PDP","OTHER MEDICARE"]},{"issuerId":554375005,"issuerName":"Wellcare","planTypes":["EPO","HMO","INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","MEDICARE PDP","MEDICARE SNP","MEDICARE-MEDICAID PLAN","OTHER MEDICARE","OTHER MEDICARE PART D"]}],"phone":"805-496-4111","isUSPrescriber":true,"languages":["English"],"address":{"addressLine1":"2230 Lynn Road","addressLine2":"Suite 103","city":"Thousand Oaks","stateProvince":"California","stateProvinceCode":"CA","country2Code":"US","country":"United States of America","fidelity":1,"latlon":"34.2089644,-118.8845531","distance":null,"lat":34.289229,"lon":-118.7445388,"postalCode":"91360","orgPhoneNumber":"805-496-4111","orgWebsite":null,"orgLogo":null,"orgFaxNumber":null,"orgName":null,"healthSystem":{"website":"https://www.providence.org/doctors/radiation-oncology/ca/thousand-oaks/eugene-ahn-1912999533","name":"Providence"},"locationString":"2230 Lynn Road, Suite 103, Thousand Oaks, CA, 91360, US","location":"Thousand Oaks, CA","staticMapAlt":"2230 Lynn Road Suite 103 Thousand Oaks, CA","staticMapHref":"https://www.google.com/maps/search/?api=1&query=2230%2Blynn%2Broad%2Bsuite%2B103%2Bthousand%2Boaks%2C%2Bca","staticMapUrl":"https://cdn.medifind.com/maps/api/staticmap?center=2230%2Blynn%2Broad%2Bsuite%2B103%2Bthousand%2Boaks%2C%2Bca&zoom=17&size=600x200&scale=2&maptype=roadmap&markers=size:mid%7Ccolor:0xea4335%7C2230%2Blynn%2Broad%2Bsuite%2B103%2Bthousand%2Boaks%2C%2Bca&key=AIzaSyBjH8KBPQ6X8jWF2C1xp1ZuJ-C4vjsRl2Y&signature=677fHM9eTTDorFc-xQZp8jvaBoo="},"addresses":null,"demographics":{"sex":"M"},"distance":null,"distanceValue":null,"distanceUnit":"mi","specialties":["Radiation Oncology"],"primarySpecialtyLookup":{"specialty":"Radiation Oncology","slug":"radiation-oncology","role":"Radiation Oncologist"},"image":null,"affiliations":{"practice":["ADVENTIST HEALTH PHYSICIANS NETWORK","COASTAL RADIATION ONCOLOGY MEDICAL GROUP, INC."],"hospitals":[{"name":"Adventist Health Simi Valley"},{"name":"Community Memorial Hospital - Ventura"},{"name":"Los Robles Hospital & Medical Center"}]},"primaryOrgName":null,"primaryOrgWebsite":null,"socialMedia":[],"credentials":{"licenses":["Radiology in CA"],"trainingInstitution":{}},"credentialCodes":["MD"],"isDoctor":true,"fellowships":[],"highlyRatedConditionsCount":18,"orgLogo":null,"orgWebsite":null,"isPremium":null,"bookOnline":null,"healthSystem":{"website":"https://www.providence.org/doctors/radiation-oncology/ca/thousand-oaks/eugene-ahn-1912999533","name":"Providence"},"hasPublication":true,"youtubeVideos":[],"profileClaimed":false,"badges":{"roles":false,"awards":false,"fellowships":false,"telemedicine":false,"acceptsNewPatients":true},"topCodings":[],"codingCount":37,"isPromoted":false,"appointmentPhone":null,"appointmentAssistOptIn":true,"appointmentURL":null,"isMediFindAppointment":true,"referralRequired":false,"acceptsMedicare":false,"acceptsNewPatients":true,"telemedicine":false,"biography":"<p>Eugene Ahn is a Radiation Oncologist practicing medicine in Thousand Oaks, California.</p><p>Dr. Ahn is highly rated in 18 conditions, according to our data. His clinical expertise encompasses Posterior Fossa Tumor, Primitive Neuroectodermal Tumor (PNET), Oligodendroglioma, and Astrocytoma.</p><p>He is actively involved in <a href=\"#research\">clinical research</a>, co-authoring 2 peer reviewed articles. Dr. Ahn is currently accepting new patients.</p>","conditions":[{"conditionId":218201357,"score":55.46778258107027,"codingName":"Posterior Fossa Tumor","type":"condition","projectId":6089},{"conditionId":337549515,"score":55.46778258107027,"codingName":"Primitive Neuroectodermal Tumor (PNET)","type":"condition","projectId":6325},{"conditionId":228172235,"score":47.60407378411179,"codingName":"Oligodendroglioma","type":"condition","projectId":6300},{"conditionId":228163120,"score":47.60407378411179,"codingName":"Astrocytoma","type":"condition","projectId":6303},{"conditionId":239253439,"score":47.06069590411149,"codingName":"Breast Cancer","type":"condition","projectId":629},{"conditionId":239009417,"score":46.40980257589612,"codingName":"Pleuropulmonary Blastoma","type":"condition","projectId":4496},{"conditionId":337550090,"score":46.292860977227484,"codingName":"Atypical Teratoid Rhabdoid Tumor (ATRT)","type":"condition","projectId":6322},{"conditionId":218206876,"score":46.292860977227484,"codingName":"Neuroepithelioma","type":"condition","projectId":3767},{"conditionId":530215772,"score":46.292860977227484,"codingName":"Pediatric Low-Grade Glioma (pLGG)","type":"condition","projectId":6664},{"conditionId":218198657,"score":46.277608204941444,"codingName":"Gliosarcoma","type":"condition","projectId":2228},{"conditionId":218204114,"score":46.277608204941444,"codingName":"Embryonal Tumor with Multilayered Rosettes","type":"condition","projectId":1818},{"conditionId":218201990,"score":46.277608204941444,"codingName":"Glioblastoma","type":"condition","projectId":2224},{"conditionId":218206228,"score":46.277608204941444,"codingName":"Ependymoma","type":"condition","projectId":1819},{"conditionId":218205443,"score":46.22843712989842,"codingName":"Brain Tumor","type":"condition","projectId":622},{"conditionId":218206610,"score":46.18628990977445,"codingName":"Glioma","type":"condition","projectId":2226},{"conditionId":239207858,"score":45.4979407754948,"codingName":"Angiosarcoma","type":"condition","projectId":6331},{"conditionId":218206202,"score":44.28820886065562,"codingName":"Metastatic Brain Tumor","type":"condition","projectId":5965},{"conditionId":239218525,"score":37.28106525760571,"codingName":"Merkel Cell Carcinoma","type":"condition","projectId":3335},{"conditionId":218197310,"score":17.759873954445702,"codingName":"Familial Prostate Cancer","type":"condition","projectId":4428},{"conditionId":218194282,"score":17.759873954445702,"codingName":"Prostate Cancer","type":"condition","projectId":4427},{"conditionId":239012593,"score":17.244845602629844,"codingName":"Lung Cancer","type":"condition","projectId":3083},{"conditionId":218183259,"score":15.299930792639922,"codingName":"Pancreatoblastoma","type":"condition","projectId":4082},{"conditionId":337118234,"score":15.071200793981648,"codingName":"ALK-Positive Non-Small Cell Lung Cancer","type":"condition","projectId":6477},{"conditionId":230074059,"score":15.071200793981648,"codingName":"EGFR Positive Lung Cancer","type":"condition","projectId":6313},{"conditionId":230074048,"score":15.071200793981648,"codingName":"Lung Adenocarcinoma","type":"condition","projectId":6310},{"conditionId":230074052,"score":15.071200793981648,"codingName":"Squamous Cell Lung Carcinoma","type":"condition","projectId":6311},{"conditionId":230074071,"score":15.071200793981648,"codingName":"Large-Cell Lung Carcinoma","type":"condition","projectId":6312},{"conditionId":337549026,"score":15.071200793981648,"codingName":"Small Cell Lung Cancer (SCLC)","type":"condition","projectId":4874},{"conditionId":393917731,"score":15.071200793981648,"codingName":"Non-Small Cell Lung Cancer (NSCLC)","type":"condition","projectId":3820},{"conditionId":218197121,"score":12.334948549746322,"codingName":"Radiation Induced Meningioma","type":"condition","projectId":4543},{"conditionId":218174004,"score":11.89456810605644,"codingName":"Gallbladder Cancer","type":"condition","projectId":5597},{"conditionId":342114194,"score":11.89456810605644,"codingName":"Gallbladder Adenocarcinoma","type":"condition","projectId":6535},{"conditionId":218198639,"score":11.871281809941829,"codingName":"Meningioma","type":"condition","projectId":3275},{"conditionId":218205068,"score":11.5612631410604,"codingName":"Familial Pancreatic Cancer","type":"condition","projectId":4075},{"conditionId":218206102,"score":11.5612631410604,"codingName":"Pancreatic Cancer","type":"condition","projectId":4073},{"conditionId":530167739,"score":6.823572995538993,"codingName":"Primary Lymphoma of the Brain","type":"condition","projectId":6097},{"conditionId":239189964,"score":5.251168051278841,"codingName":"Anal Cancer","type":"condition","projectId":5622}],"residencyInstitution":null,"areasOfFocus":[]}