{"_score":0,"docId":"9459161","dateModify":"02/25/2026","personId":9459161,"name":"Mark L. Fennema","displayName":"Dr. Mark L. Fennema","displayNameShort":"Dr. Mark Fennema","displayLastName":"Dr. Fennema","initials":"MF","familyName":"Dr. Fennema","score":7.272659083515191,"yearsOfExperience":44,"issuers":[{"issuerName":"UPMC","personifyId":309961261},{"issuerName":"Independent Health","personifyId":309961294},{"issuerName":"PA Health and Wellness","personifyId":554641586},{"issuerName":"The Health Plan","personifyId":554661163},{"issuerName":"Cigna","personifyId":309961178},{"issuerName":"Aetna","personifyId":309961223},{"issuerName":"Highmark","personifyId":309961177},{"issuerName":"CareSource","personifyId":309961271},{"issuerName":"UnitedHealthcare","personifyId":309961217},{"issuerName":"Humana","personifyId":309961191},{"issuerName":"Medicare","personifyId":554417855},{"issuerName":"Health Care Services Corporation","personifyId":554586162},{"issuerName":"Change Healthcare","personifyId":554500670},{"issuerName":"Anthem BCBS","personifyId":309961161},{"issuerName":"Medicaid","personifyId":554481722},{"issuerName":"Silverscript","personifyId":563472210},{"issuerName":"Gateway Health Plan","personifyId":554726628},{"issuerName":"Blue Cross Blue Shield","personifyId":309961277},{"issuerName":"Wellcare","personifyId":554375005},{"issuerName":"Molina","personifyId":563474332},{"issuerName":"Capital Blue Cross","personifyId":554521927},{"issuerName":"Geisinger","personifyId":309961242},{"issuerName":"Managed Medicaid","personifyId":554456182},{"issuerName":"Elixir","personifyId":563469769},{"issuerName":"Anthem BCBS","personifyId":563469893},{"issuerName":"Health Partners Plans","personifyId":554434753}],"insurance":[{"issuerId":309961223,"issuerName":"Aetna","planTypes":["EPO","HMO","POS","PPO"]},{"issuerId":309961161,"issuerName":"Anthem BCBS","planTypes":["EPO","HMO","POS","PPO"]},{"issuerId":309961277,"issuerName":"Blue Cross Blue Shield","planTypes":["EPO","HMO","POS","PPO"]},{"issuerId":554521927,"issuerName":"Capital Blue Cross","planTypes":["INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","OTHER MEDICARE PART D","PPO"]},{"issuerId":309961271,"issuerName":"CareSource","planTypes":["HMO"]},{"issuerId":554500670,"issuerName":"Change Healthcare","planTypes":["OTHER MEDICARE","OTHER MEDICARE PART D"]},{"issuerId":309961178,"issuerName":"Cigna","planTypes":["EPO","HMO","PPO"]},{"issuerId":554726628,"issuerName":"Gateway Health Plan","planTypes":["INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE SNP","OTHER MEDICARE PART D"]},{"issuerId":309961242,"issuerName":"Geisinger","planTypes":["HMO","POS","PPO"]},{"issuerId":554586162,"issuerName":"Health Care Services Corporation","planTypes":["HMO","INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","MEDICARE PDP","MEDICARE SNP","OTHER COMMERCIAL","OTHER MEDICARE","OTHER MEDICARE PART D","PPO"]},{"issuerId":554434753,"issuerName":"Health Partners Plans","planTypes":["INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","MEDICARE SNP"]},{"issuerId":309961177,"issuerName":"Highmark","planTypes":["EPO","HMO","PPO"]},{"issuerId":309961191,"issuerName":"Humana","planTypes":["HMO","INDEMNITY","POS","PPO"]},{"issuerId":309961294,"issuerName":"Independent Health","planTypes":["EPO","POS","PPO"]},{"issuerId":554456182,"issuerName":"Managed Medicaid","planTypes":["OTHER MANAGED MEDICAID"]},{"issuerId":554481722,"issuerName":"Medicaid","planTypes":["OTHER MEDICAID","STATE MEDICAID"]},{"issuerId":554417855,"issuerName":"Medicare","planTypes":["INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","MEDICARE PDP","MEDICARE SNP","MEDICARE-MEDICAID PLAN","OTHER MEDICARE PART D"]},{"issuerId":554641586,"issuerName":"PA Health and Wellness","planTypes":["HMO","MANAGED MEDICAID PLAN"]},{"issuerId":554661163,"issuerName":"The Health Plan","planTypes":["HMO","MANAGED MEDICAID PLAN","OTHER MEDICARE PART D"]},{"issuerId":309961217,"issuerName":"UnitedHealthcare","planTypes":["EPO","HMO","POS","PPO"]},{"issuerId":309961261,"issuerName":"UPMC","planTypes":["EPO","PPO"]},{"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":"724-917-7062","isUSPrescriber":true,"languages":["English"],"address":{"addressLine1":"110 North Main Street, UPMC Horizon Hospital","city":"Greenville","stateProvince":"Pennsylvania","stateProvinceCode":"PA","country2Code":"US","country":"United States of America","fidelity":2,"latlon":"41.406356,-80.372825","distance":null,"lat":40.4365613,"lon":-79.7601974,"postalCode":"16125","orgPhoneNumber":"724-917-7062","orgWebsite":"https://providers.upmc.com/provider/mark-l-fennema/2438890?shuffle_seed=f0dd9904-884b-4388-97fb-76366f76f005&categories=location_name%2Cprovider_name%2Cprimary_care%2Cspecialties%2Cclinical_keywords%2Cpractice_group&sort=name&search_alerts=false&provider_fields=-clinical_keywords&page=328&from=search-list","orgLogo":"https://cdn.medifind.com/orgs/UPMC","orgName":"UPP-Emergency Medicine","healthSystem":{"website":"https://www.upmc.com/","name":"UPMC"},"locationString":"110 North Main Street, UPMC Horizon Hospital, Greenville, PA, 16125, US","location":"Greenville, PA","staticMapAlt":"UPP-Emergency Medicine, 110 North Main Street, UPMC Horizon Hospital Greenville, PA","staticMapHref":"https://www.google.com/maps/search/?api=1&query=UPP-Emergency%2BMedicine%2B110%2Bnorth%2Bmain%2Bstreet%2C%2Bupmc%2Bhorizon%2Bhospital%2Bgreenville%2C%2Bpa","staticMapUrl":"https://cdn.medifind.com/maps/api/staticmap?center=UPP-Emergency%2BMedicine%2B110%2Bnorth%2Bmain%2Bstreet%2C%2Bupmc%2Bhorizon%2Bhospital%2Bgreenville%2C%2Bpa&zoom=17&size=600x200&scale=2&maptype=roadmap&markers=size:mid%7Ccolor:0xea4335%7CUPP-Emergency%2BMedicine%2B110%2Bnorth%2Bmain%2Bstreet%2C%2Bupmc%2Bhorizon%2Bhospital%2Bgreenville%2C%2Bpa&key=AIzaSyBjH8KBPQ6X8jWF2C1xp1ZuJ-C4vjsRl2Y&signature=z9vkGjmsFflfV7Bb6PMJfnfxXbI="},"addresses":[{"addressLine1":"1211 Wilmington Avenue, Jameson Hospital","city":"New Castle","stateProvince":"Pennsylvania","stateProvinceCode":"PA","country2Code":"US","country":"United States of America","fidelity":2,"latlon":"41.057828,-80.340829","distance":null,"lat":41.057828,"lon":-80.340829,"postalCode":"16105","orgPhoneNumber":"724-546-1785","orgWebsite":null,"orgLogo":null,"orgName":"UPP-Emergency Medicine","healthSystem":{"website":"https://www.upmc.com/","name":"UPMC"},"locationString":"1211 Wilmington Avenue, Jameson Hospital, New Castle, PA, 16105, US","location":"New Castle, PA","staticMapAlt":"UPP-Emergency Medicine, 1211 Wilmington Avenue, Jameson Hospital New Castle, PA","staticMapHref":"https://www.google.com/maps/search/?api=1&query=UPP-Emergency%2BMedicine%2B1211%2Bwilmington%2Bavenue%2C%2Bjameson%2Bhospital%2Bnew%2Bcastle%2C%2Bpa","staticMapUrl":"https://cdn.medifind.com/maps/api/staticmap?center=UPP-Emergency%2BMedicine%2B1211%2Bwilmington%2Bavenue%2C%2Bjameson%2Bhospital%2Bnew%2Bcastle%2C%2Bpa&zoom=17&size=600x200&scale=2&maptype=roadmap&markers=size:mid%7Ccolor:0xea4335%7CUPP-Emergency%2BMedicine%2B1211%2Bwilmington%2Bavenue%2C%2Bjameson%2Bhospital%2Bnew%2Bcastle%2C%2Bpa&key=AIzaSyBjH8KBPQ6X8jWF2C1xp1ZuJ-C4vjsRl2Y&signature=MgJbOeFRx699XW5zjOq0jRofyC0="},{"addressLine1":"225 South Center Avenue, Somerset Hospital","city":"Somerset","stateProvince":"Pennsylvania","stateProvinceCode":"PA","country2Code":"US","country":"United States of America","fidelity":2,"latlon":"40.039742,-79.129820","distance":null,"lat":40.039742,"lon":-79.12982,"postalCode":"15501","orgPhoneNumber":"582-264-1123","orgWebsite":null,"orgLogo":null,"orgName":"University of Pittsburgh Physicians, Department of Emergency Medicine","healthSystem":{"website":"https://www.upmc.com/","name":"UPMC"},"locationString":"225 South Center Avenue, Somerset Hospital, Somerset, PA, 15501, US","location":"Somerset, PA","staticMapAlt":"UPP-Emergency Medicine, 225 South Center Avenue, Somerset Hospital Somerset, PA","staticMapHref":"https://www.google.com/maps/search/?api=1&query=UPP-Emergency%2BMedicine%2B225%2Bsouth%2Bcenter%2Bavenue%2C%2Bsomerset%2Bhospital%2Bsomerset%2C%2Bpa","staticMapUrl":"https://cdn.medifind.com/maps/api/staticmap?center=UPP-Emergency%2BMedicine%2B225%2Bsouth%2Bcenter%2Bavenue%2C%2Bsomerset%2Bhospital%2Bsomerset%2C%2Bpa&zoom=17&size=600x200&scale=2&maptype=roadmap&markers=size:mid%7Ccolor:0xea4335%7CUPP-Emergency%2BMedicine%2B225%2Bsouth%2Bcenter%2Bavenue%2C%2Bsomerset%2Bhospital%2Bsomerset%2C%2Bpa&key=AIzaSyBjH8KBPQ6X8jWF2C1xp1ZuJ-C4vjsRl2Y&signature=xJnjeVmeMRqGvScwC14nvhkLIaE="},{"addressLine1":"9100 Babcock Boulevard, UPMC Passavant Hospital","city":"Pittsburgh","stateProvince":"Pennsylvania","stateProvinceCode":"PA","country2Code":"US","country":"United States of America","fidelity":2,"latlon":"40.549607,-80.043513","distance":null,"lat":40.549607,"lon":-80.043513,"postalCode":"15237","orgPhoneNumber":"412-635-6508","orgWebsite":null,"orgLogo":null,"orgName":"UPP-Emergency Medicine","healthSystem":{"website":null,"name":null},"locationString":"9100 Babcock Boulevard, UPMC Passavant Hospital, Pittsburgh, PA, 15237, US","location":"Pittsburgh, PA","staticMapAlt":"UPP-Emergency Medicine, 9100 Babcock Boulevard, UPMC Passavant Hospital Pittsburgh, PA","staticMapHref":"https://www.google.com/maps/search/?api=1&query=UPP-Emergency%2BMedicine%2B9100%2Bbabcock%2Bboulevard%2C%2Bupmc%2Bpassavant%2Bhospital%2Bpittsburgh%2C%2Bpa","staticMapUrl":"https://cdn.medifind.com/maps/api/staticmap?center=UPP-Emergency%2BMedicine%2B9100%2Bbabcock%2Bboulevard%2C%2Bupmc%2Bpassavant%2Bhospital%2Bpittsburgh%2C%2Bpa&zoom=17&size=600x200&scale=2&maptype=roadmap&markers=size:mid%7Ccolor:0xea4335%7CUPP-Emergency%2BMedicine%2B9100%2Bbabcock%2Bboulevard%2C%2Bupmc%2Bpassavant%2Bhospital%2Bpittsburgh%2C%2Bpa&key=AIzaSyBjH8KBPQ6X8jWF2C1xp1ZuJ-C4vjsRl2Y&signature=q6jLcuBAxDIvIH8RNziyWhSV4rQ="}],"demographics":{"sex":"M"},"distance":null,"distanceValue":null,"distanceUnit":"mi","specialties":["Emergency Medicine"],"primarySpecialtyLookup":null,"image":"https://cdn.medifind.com/imgrepo/1537870","affiliations":{"practice":["UNIVERSITY OF PITTSBURGH PHYSICIANS"],"hospitals":[{"name":"Upmc Horizon"},{"name":"Upmc Jameson"},{"name":"Upmc East"}]},"primaryOrgName":"UPP-Emergency Medicine","primaryOrgWebsite":"https://providers.upmc.com/provider/mark-l-fennema/2438890?shuffle_seed=f0dd9904-884b-4388-97fb-76366f76f005&categories=location_name%2Cprovider_name%2Cprimary_care%2Cspecialties%2Cclinical_keywords%2Cpractice_group&sort=name&search_alerts=false&provider_fields=-clinical_keywords&page=328&from=search-list","socialMedia":[],"credentials":{"licenses":["Emergency Medicine in PA"],"boardCertifications":["American Board Of Emergency Medicine "," American Osteopathic Board Of Family Physicians"],"gradInstitution":{"year":"1982","gradYearNumber":"1982","name":"Oklahoma State University College Of Osteopathic Medicine"},"trainingInstitution":{}},"credentialCodes":["DO"],"isDoctor":true,"fellowships":[],"highlyRatedConditionsCount":0,"orgLogo":"https://cdn.medifind.com/orgs/UPMC","orgWebsite":"https://providers.upmc.com/provider/mark-l-fennema/2438890?shuffle_seed=f0dd9904-884b-4388-97fb-76366f76f005&categories=location_name%2Cprovider_name%2Cprimary_care%2Cspecialties%2Cclinical_keywords%2Cpractice_group&sort=name&search_alerts=false&provider_fields=-clinical_keywords&page=328&from=search-list","isPremium":null,"bookOnline":null,"healthSystem":{"website":"https://www.upmc.com/","name":"UPMC"},"youtubeVideos":[],"profileClaimed":false,"badges":{"roles":false,"awards":false,"fellowships":false,"telemedicine":false,"acceptsNewPatients":false},"topCodings":[],"codingCount":1,"isPromoted":false,"appointmentPhone":null,"appointmentAssistOptIn":null,"appointmentURL":null,"isMediFindAppointment":false,"acceptsMedicare":true,"acceptsNewPatients":false,"telemedicine":false,"biography":"<p>Mark Fennema, DO, specializes in emergency medicine and is board-certified by the American Board of Emergency Medicine in addition to family medicine/OMT by the American Osteopathic Board of Family Physicians. He is affiliated with UPMC Horizon, UPMC McKeesport, UPMC East, UPMC Passavant, UPMC Somerset, UPMC St. Margaret, and UPMC Jameson. Dr. Fennema received his medical degree from Oklahoma State University College of Osteopathic Medicine.</p><p>His top area of expertise is Mast Cell Activation Syndrome (MCAS).</p>","conditions":[{"conditionId":393917737,"score":7.272659083515191,"codingName":"Mast Cell Activation Syndrome (MCAS)","type":"condition","projectId":6602}],"residencyInstitution":null,"areasOfFocus":[]}