{"_score":0,"docId":"7571313","dateModify":"04/29/2026","personId":7571313,"name":"Michael Zerega","displayName":"Dr. Michael Zerega","displayNameShort":"Dr. Michael Zerega","displayLastName":"Dr. Zerega","initials":"MZ","familyName":"Dr. Zerega","score":38.55361304989195,"yearsOfExperience":0,"issuers":[{"issuerName":"MetLife","personifyId":309961291},{"issuerName":"Walgreens","personifyId":554390256},{"issuerName":"Health Care Services Corporation","personifyId":554586162},{"issuerName":"Anthem BCBS","personifyId":309961161},{"issuerName":"Oscar","personifyId":309961163},{"issuerName":"Meridian Choice","personifyId":554687314},{"issuerName":"Essence Healthcare","personifyId":554481725},{"issuerName":"TeamCare","personifyId":575357466},{"issuerName":"Medical Mutual","personifyId":309961279},{"issuerName":"Cigna","personifyId":309961178},{"issuerName":"Medica","personifyId":309961208},{"issuerName":"CVS Health","personifyId":563473958},{"issuerName":"Home State Health","personifyId":554608024},{"issuerName":"Elevance Health","personifyId":563470358},{"issuerName":"Medicaid","personifyId":554481722},{"issuerName":"Medicare","personifyId":554417855},{"issuerName":"Silverscript","personifyId":563472210},{"issuerName":"Health Alliance","personifyId":309961153},{"issuerName":"Wellmark Blue Cross Blue Shield","personifyId":575357464},{"issuerName":"Blue Cross Blue Shield","personifyId":309961277},{"issuerName":"Wellcare","personifyId":554375005},{"issuerName":"Highmark","personifyId":309961177},{"issuerName":"Capital Blue Cross","personifyId":554521927},{"issuerName":"Humana","personifyId":309961191},{"issuerName":"Blue Shield of California","personifyId":554448602},{"issuerName":"Devoted Health","personifyId":554661160},{"issuerName":"Horizon Healthcare","personifyId":309961244},{"issuerName":"Aetna","personifyId":309961223},{"issuerName":"Managed Medicaid","personifyId":554456182},{"issuerName":"Anthem BCBS","personifyId":563469893},{"issuerName":"UnitedHealthcare","personifyId":309961217},{"issuerName":"EMI Health","personifyId":309961166},{"issuerName":"Sendero","personifyId":309961218}],"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":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":554521927,"issuerName":"Capital Blue Cross","planTypes":["INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","OTHER MEDICARE PART D","PPO"]},{"issuerId":309961178,"issuerName":"Cigna","planTypes":["EPO","HMO","PPO"]},{"issuerId":554661160,"issuerName":"Devoted Health","planTypes":["MEDICARE MAPD","OTHER MEDICARE"]},{"issuerId":309961166,"issuerName":"EMI Health","planTypes":["PPO"]},{"issuerId":554481725,"issuerName":"Essence Healthcare","planTypes":["INSURANCE PLAN","MEDICARE MAPD"]},{"issuerId":309961153,"issuerName":"Health Alliance","planTypes":["EPO","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":309961177,"issuerName":"Highmark","planTypes":["EPO","HMO","PPO"]},{"issuerId":554608024,"issuerName":"Home State Health","planTypes":["EPO"]},{"issuerId":309961244,"issuerName":"Horizon Healthcare","planTypes":["EPO","POS"]},{"issuerId":309961191,"issuerName":"Humana","planTypes":["HMO","INDEMNITY","POS","PPO"]},{"issuerId":554456182,"issuerName":"Managed Medicaid","planTypes":["OTHER MANAGED MEDICAID"]},{"issuerId":309961208,"issuerName":"Medica","planTypes":["EPO","HMO","PPO"]},{"issuerId":554481722,"issuerName":"Medicaid","planTypes":["OTHER MEDICAID","STATE MEDICAID"]},{"issuerId":309961279,"issuerName":"Medical Mutual","planTypes":["HMO","PPO"]},{"issuerId":554417855,"issuerName":"Medicare","planTypes":["INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","MEDICARE PDP","MEDICARE SNP","MEDICARE-MEDICAID PLAN","OTHER MEDICARE PART D"]},{"issuerId":554687314,"issuerName":"Meridian Choice","planTypes":["HMO","INSURANCE PLAN","MANAGED MEDICAID PLAN","MEDICARE MAPD","MEDICARE SNP","MEDICARE-MEDICAID PLAN","OTHER COMMERCIAL","OTHER MEDICARE","OTHER MEDICARE PART D"]},{"issuerId":309961291,"issuerName":"MetLife","planTypes":["PPO"]},{"issuerId":309961163,"issuerName":"Oscar","planTypes":["EPO","HMO","PPO"]},{"issuerId":309961218,"issuerName":"Sendero","planTypes":["HMO"]},{"issuerId":575357466,"issuerName":"TeamCare","planTypes":["OTHER COMMERCIAL"]},{"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":"314-569-2620","isUSPrescriber":true,"languages":["English"],"address":{"addressLine1":"200 Brevco Plz Ste 208","city":"Lake Saint Louis","stateProvince":"Missouri","stateProvinceCode":"MO","country2Code":"US","country":"United States of America","fidelity":2,"latlon":"38.774327,-90.795044","distance":null,"lat":38.6428867,"lon":-90.4435252,"postalCode":"63367","orgPhoneNumber":"314-569-2620","orgWebsite":null,"orgLogo":null,"orgFaxNumber":null,"orgName":"Office","healthSystem":{"website":null,"name":null},"locationString":"200 Brevco Plz Ste 208, Lake Saint Louis, MO, 63367, US","location":"Lake Saint Louis, MO","staticMapAlt":"Office, 200 Brevco Plz Ste 208 Lake Saint Louis, MO","staticMapHref":"https://www.google.com/maps/search/?api=1&query=Office%2B200%2Bbrevco%2Bplz%2Bste%2B208%2Blake%2Bsaint%2Blouis%2C%2Bmo","staticMapUrl":"https://cdn.medifind.com/maps/api/staticmap?center=Office%2B200%2Bbrevco%2Bplz%2Bste%2B208%2Blake%2Bsaint%2Blouis%2C%2Bmo&zoom=17&size=600x200&scale=2&maptype=roadmap&markers=size:mid%7Ccolor:0xea4335%7COffice%2B200%2Bbrevco%2Bplz%2Bste%2B208%2Blake%2Bsaint%2Blouis%2C%2Bmo&key=AIzaSyBjH8KBPQ6X8jWF2C1xp1ZuJ-C4vjsRl2Y&signature=LL2qLbpStMtSv9kb7OdYCULrflA="},"addresses":[{"addressLine1":"12990 Manchester Rd Ste 1","city":"Saint Louis","stateProvince":"Missouri","stateProvinceCode":"MO","country2Code":"US","country":"United States of America","fidelity":2,"latlon":"38.617391,-90.444197","distance":null,"lat":38.617391,"lon":-90.444197,"postalCode":"63131","orgPhoneNumber":"314-984-0550","orgWebsite":null,"orgLogo":null,"orgFaxNumber":null,"orgName":"Office","healthSystem":{"website":null,"name":null},"locationString":"12990 Manchester Rd Ste 1, Saint Louis, MO, 63131, US","location":"Saint Louis, MO","staticMapAlt":"Office, 12990 Manchester Rd Ste 1 Saint Louis, MO","staticMapHref":"https://www.google.com/maps/search/?api=1&query=Office%2B12990%2Bmanchester%2Brd%2Bste%2B1%2Bsaint%2Blouis%2C%2Bmo","staticMapUrl":"https://cdn.medifind.com/maps/api/staticmap?center=Office%2B12990%2Bmanchester%2Brd%2Bste%2B1%2Bsaint%2Blouis%2C%2Bmo&zoom=17&size=600x200&scale=2&maptype=roadmap&markers=size:mid%7Ccolor:0xea4335%7COffice%2B12990%2Bmanchester%2Brd%2Bste%2B1%2Bsaint%2Blouis%2C%2Bmo&key=AIzaSyBjH8KBPQ6X8jWF2C1xp1ZuJ-C4vjsRl2Y&signature=JGwaviDqsG6rWEAa12m1iyuIQIg="}],"demographics":{"sex":"M"},"distance":null,"distanceValue":null,"distanceUnit":"mi","specialties":["Internal Medicine"],"primarySpecialtyLookup":{"specialty":"Internal Medicine","slug":"internal-medicine","role":"Internist"},"image":null,"affiliations":{"practice":["MERCY CLINIC GASTROENTEROLOGY LLC"],"hospitals":[{"name":"Mercy Hospital St Louis"}]},"primaryOrgName":"Office","primaryOrgWebsite":null,"socialMedia":[],"credentials":{"licenses":["Internal Medicine in MO"],"trainingInstitution":{}},"credentialCodes":["MD"],"isDoctor":true,"fellowships":[],"highlyRatedConditionsCount":16,"orgLogo":null,"orgWebsite":null,"isPremium":null,"bookOnline":null,"healthSystem":{"website":null,"name":null},"youtubeVideos":[],"profileClaimed":false,"badges":{"roles":false,"awards":false,"fellowships":false,"telemedicine":false,"acceptsNewPatients":false},"topCodings":[],"codingCount":67,"isPromoted":false,"appointmentPhone":null,"appointmentAssistOptIn":null,"appointmentURL":null,"isMediFindAppointment":false,"referralRequired":false,"acceptsMedicare":false,"acceptsNewPatients":false,"telemedicine":false,"biography":"<p>Michael Zerega is an Internal Medicine provider practicing medicine in Lake Saint Louis, Missouri.</p><p>Dr. Zerega is highly rated in 16 conditions, according to our data. His clinical expertise encompasses Collagenous Colitis, Colitis, Hemorrhoids, Gastrectomy, and Gastrostomy.</p>","conditions":[{"conditionId":218176870,"score":43.94076963357385,"codingName":"Collagenous Colitis","type":"condition","projectId":1215},{"conditionId":459462324,"score":37.53551634572626,"codingName":"Colitis","type":"condition","projectId":1213},{"conditionId":218204645,"score":34.18999871283294,"codingName":"Hemorrhoids","type":"condition","projectId":5861},{"conditionId":454153151,"score":33.52878124124538,"codingName":"Diverticular Disease","type":"condition","projectId":6338},{"conditionId":218205225,"score":31.169168500485938,"codingName":"Turcot Syndrome","type":"condition","projectId":5317},{"conditionId":218206407,"score":31.15196896933262,"codingName":"Familial Adenomatous Polyposis","type":"condition","projectId":1965},{"conditionId":221154911,"score":30.977048180369803,"codingName":"Alcoholic Cirrhosis","type":"condition","projectId":175},{"conditionId":218204312,"score":30.721981797293417,"codingName":"Gardner Syndrome","type":"condition","projectId":2147},{"conditionId":325924091,"score":29.224665640620145,"codingName":"Swallowing Difficulty","type":"condition","projectId":6410},{"conditionId":218205558,"score":29.224665640620145,"codingName":"Painful Swallowing","type":"condition","projectId":3910},{"conditionId":218198910,"score":29.08363164755651,"codingName":"Viral Gastroenteritis","type":"condition","projectId":2153},{"conditionId":454152779,"score":27.662083684857524,"codingName":"Gastrectomy","type":"procedure","projectId":6385},{"conditionId":218192330,"score":27.592900822152988,"codingName":"Diarrhea","type":"condition","projectId":1590},{"conditionId":218199465,"score":27.55659546765248,"codingName":"Trichohepatoenteric Syndrome","type":"condition","projectId":5265},{"conditionId":221155784,"score":25.376920610510346,"codingName":"Benign Esophageal Stricture","type":"condition","projectId":5790},{"conditionId":218190810,"score":25.260583706274904,"codingName":"Lower Esophageal Ring","type":"condition","projectId":5933},{"conditionId":239240979,"score":21.597490981390976,"codingName":"Esophagitis","type":"condition","projectId":5791},{"conditionId":218197902,"score":21.277143739057987,"codingName":"Chronic Erosive Gastritis","type":"condition","projectId":1134},{"conditionId":440026964,"score":20.715795830535797,"codingName":"Gastroesophageal Reflux Disease (GERD)","type":"condition","projectId":2155},{"conditionId":218198222,"score":20.252149830707765,"codingName":"Esophageal Varices","type":"condition","projectId":1901},{"conditionId":579326353,"score":19.978562357351564,"codingName":"Visceromegaly","type":"condition","projectId":6267},{"conditionId":218206311,"score":19.296564911713176,"codingName":"Ascites","type":"condition","projectId":5639},{"conditionId":218206018,"score":19.000593280434487,"codingName":"Ulcerative Colitis","type":"condition","projectId":5329},{"conditionId":218206371,"score":18.52515127239783,"codingName":"Congenital Diaphragmatic Hernia","type":"condition","projectId":1278},{"conditionId":218187275,"score":18.50211853569305,"codingName":"Hiatal Hernia","type":"condition","projectId":5869},{"conditionId":218197090,"score":17.831965607092968,"codingName":"Barrett Esophagus","type":"condition","projectId":477},{"conditionId":218202355,"score":17.117343575665327,"codingName":"Angiodysplasia of the Colon","type":"condition","projectId":5629},{"conditionId":579335040,"score":16.07807805631165,"codingName":"Enlarged Liver","type":"condition","projectId":5778},{"conditionId":239083805,"score":14.80912254247833,"codingName":"Crohn's Disease","type":"condition","projectId":1420},{"conditionId":579338268,"score":14.160749148273084,"codingName":"Cirrhosis","type":"condition","projectId":3055},{"conditionId":218187837,"score":14.156451587308636,"codingName":"Heartburn","type":"condition","projectId":4529},{"conditionId":530138602,"score":13.226174845943678,"codingName":"Irritable Bowel Syndrome (IBS)","type":"condition","projectId":2807},{"conditionId":325924104,"score":13.002038781346931,"codingName":"Colorectal Polyps","type":"condition","projectId":6406},{"conditionId":218202380,"score":11.922625475218245,"codingName":"Morning Sickness","type":"condition","projectId":5978},{"conditionId":218205187,"score":11.858915625310663,"codingName":"Bacterial Gastroenteritis","type":"condition","projectId":5653},{"conditionId":218195418,"score":11.430610133676426,"codingName":"Gastrointestinal Bleeding","type":"condition","projectId":5830},{"conditionId":242961572,"score":9.667666643524951,"codingName":"Eosinophilic Esophagitis","type":"condition","projectId":6351},{"conditionId":239175553,"score":9.221093170864005,"codingName":"Hepatitis","type":"condition","projectId":2412},{"conditionId":454152514,"score":8.987026565535338,"codingName":"Gastrostomy","type":"procedure","projectId":6628},{"conditionId":218206265,"score":8.942009101315039,"codingName":"Portal Hypertension","type":"condition","projectId":4344},{"conditionId":218200775,"score":8.71017032360501,"codingName":"Banti's Syndrome","type":"condition","projectId":470},{"conditionId":218193476,"score":8.615020513883685,"codingName":"Helicobacter Pylori Infection","type":"condition","projectId":5857},{"conditionId":218196804,"score":8.562362604059942,"codingName":"Celiac Disease","type":"condition","projectId":826},{"conditionId":218180470,"score":8.474759521487375,"codingName":"Tenesmus","type":"condition","projectId":6208},{"conditionId":218192027,"score":8.296020187784475,"codingName":"Gas Bloat Syndrome","type":"condition","projectId":2148},{"conditionId":218195212,"score":7.991953604925503,"codingName":"Watermelon Stomach","type":"condition","projectId":5489},{"conditionId":230978016,"score":7.678316874773501,"codingName":"DICER1 Syndrome","type":"condition","projectId":6315},{"conditionId":325923956,"score":7.5798414586290335,"codingName":"Eosinophilic Colitis","type":"condition","projectId":6412},{"conditionId":218205810,"score":7.531423390229072,"codingName":"Hemorrhagic Proctocolitis","type":"condition","projectId":2403},{"conditionId":239116233,"score":7.031958628117529,"codingName":"Childhood Pancreatitis","type":"condition","projectId":6042},{"conditionId":218154501,"score":7.016442288071194,"codingName":"Anemia","type":"condition","projectId":262},{"conditionId":337118286,"score":6.982441716834964,"codingName":"Intestinal Cancer","type":"condition","projectId":6482},{"conditionId":218201171,"score":6.674203189062099,"codingName":"Pseudomembranous Colitis","type":"condition","projectId":6099},{"conditionId":218204663,"score":6.674203189062099,"codingName":"Necrotizing Enterocolitis","type":"condition","projectId":5993},{"conditionId":218154294,"score":6.665015567255763,"codingName":"Achalasia","type":"condition","projectId":25},{"conditionId":239166530,"score":6.394948318301428,"codingName":"Acute Pancreatitis","type":"condition","projectId":5613},{"conditionId":218190385,"score":6.370510528786544,"codingName":"Lymphocytic Colitis","type":"condition","projectId":3107},{"conditionId":221156137,"score":6.333425778536372,"codingName":"Childhood Volvulus","type":"condition","projectId":6270},{"conditionId":454153058,"score":6.098437011424813,"codingName":"Endoscopy","type":"procedure","projectId":6572},{"conditionId":454151060,"score":5.72852700707853,"codingName":"Colonoscopy","type":"procedure","projectId":6571},{"conditionId":218198339,"score":5.2744671716338125,"codingName":"Bowel Incontinence","type":"condition","projectId":5669},{"conditionId":218202881,"score":5.231322711111563,"codingName":"Juvenile Polyposis Syndrome","type":"condition","projectId":2839},{"conditionId":218205997,"score":5.231322711111563,"codingName":"Cronkhite-Canada Disease","type":"condition","projectId":1422},{"conditionId":218205390,"score":5.231322711111563,"codingName":"Attenuated Familial Adenomatous Polyposis","type":"condition","projectId":443},{"conditionId":218205723,"score":5.219533551818911,"codingName":"Indigestion","type":"condition","projectId":5896},{"conditionId":579343329,"score":1.6532900094140404,"codingName":"Non-Alcoholic Fatty Liver Disease","type":"condition","projectId":2008},{"conditionId":579333196,"score":0.5088251499842692,"codingName":"Nonalcoholic Steatohepatitis (NASH)","type":"condition","projectId":6342}],"residencyInstitution":null,"areasOfFocus":["Non-Alcoholic Fatty Liver Disease","Nonalcoholic Steatohepatitis (NASH)"]}