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        <issuerAddress>
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          <com:city>Sunrise </com:city>
          <com:stateOrCountry>FL</com:stateOrCountry>
          <com:zipCode>33323</com:zipCode>
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        <issuerContactPhone>954-384-0175</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Roger J. Medel</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
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          <name>UBS Financial Services Inc</name>
          <address>
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            <com:street2>3rd Floor</com:street2>
            <com:city>Weehawken</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>07086</com:zipCode>
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        <approxSaleDate>05/12/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
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        <isGiftTransaction>N</isGiftTransaction>
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      <securitiesToBeSold>
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        <acquiredDate>03/01/2021</acquiredDate>
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        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>111885</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2021</paymentDate>
        <natureOfPayment>Awarded stock</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>08/01/2009</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Pediatrix Medical Group</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>5733</amountOfSecuritiesAcquired>
        <paymentDate>08/01/2009</paymentDate>
        <natureOfPayment>Awarded Stock</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
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        <natureOfAcquisitionTransaction>Restricted Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Pediatrix Medical Group</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>65482</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2020</paymentDate>
        <natureOfPayment>Awarded stock</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/12/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Pediatrix Medical Group</nameOfPersonfromWhomAcquired>
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        <amountOfSecuritiesAcquired>4885</amountOfSecuritiesAcquired>
        <paymentDate>05/12/2022</paymentDate>
        <natureOfPayment>Awarded Stock</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/01/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Pediatrix Medical Group</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>22345</amountOfSecuritiesAcquired>
        <paymentDate>06/01/2020</paymentDate>
        <natureOfPayment>Awarded Stock</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/07/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Pediatrix Medical Group</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>8480</amountOfSecuritiesAcquired>
        <paymentDate>03/07/2023</paymentDate>
        <natureOfPayment>Awarded Stock</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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        <sellerDetails>
          <name>Roger J. Medel</name>
          <address>
            <com:street1>100 SE 3rd Ave</com:street1>
            <com:street2>Suite 1910</com:street2>
            <com:city>Fort Lauderdale</com:city>
            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33394</com:zipCode>
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        </sellerDetails>
        <securitiesClassTitle>Pediatrix Medical Group</securitiesClassTitle>
        <saleDate>03/20/2023</saleDate>
        <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
        <grossProceeds>730071</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Roger J. Medel</name>
          <address>
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            <com:street2>Suite 1910</com:street2>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33394</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Pediatrix Medical Group</securitiesClassTitle>
        <saleDate>03/22/2023</saleDate>
        <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
        <grossProceeds>728709</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Roger J. Medel</name>
          <address>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33394</com:zipCode>
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        <securitiesClassTitle>Pediatrix Medical Group</securitiesClassTitle>
        <saleDate>03/29/2023</saleDate>
        <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
        <grossProceeds>731099</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Roger J. Medel </name>
          <address>
            <com:street1>100 SE 3rd Ave</com:street1>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33394</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Pediatrix Medical Group</securitiesClassTitle>
        <saleDate>04/04/2023</saleDate>
        <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
        <grossProceeds>740122</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Roger J. Medel</name>
          <address>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33394</com:zipCode>
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        <securitiesClassTitle>Pediatrix Medical Group</securitiesClassTitle>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Roger J. Medel</name>
          <address>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33394</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Pediatrix Medical Group</securitiesClassTitle>
        <saleDate>04/10/2023</saleDate>
        <amountOfSecuritiesSold>100000</amountOfSecuritiesSold>
        <grossProceeds>1488811</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Roger J. Medel</name>
          <address>
            <com:street1>100 SE 3rd Ave</com:street1>
            <com:street2>Suite 1910</com:street2>
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      <noticeSignature>
        <noticeDate>05/12/2023</noticeDate>
        <signature>/s/ UBS Financial Services Inc, as attorney-in-fact for Roger J. Medel</signature>
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metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 11360}]
text: 144
  0001093125
  XXXXXXXX
  LIVE
  0000893949
  Pediatrix Medical Group
  001-12111
  1301 Concord Terrace
  Sunrise
  FL
  33323
  954-384-0175
  Roger J. Medel
  Affiliate
  Common
  UBS Financial Services Inc
  1000 Harbor Blvd
  3rd Floor
  Weehawken
  NJ
  07086
  227734
  3074409
  83759495
  05/12/2023
  NYSE
  Common
  06/01/2019
  Restricted Stock Award
  Pediatrix Medical Group
  N
  8924
  06/01/2019
  Awarded Stock
  Common
  03/01/2021
  Restricted Stock Award
  Pediatrix Medical Group
  N
  111885
  03/01/2021
  Awarded stock
  Common
  08/01/2009
  Restricted Stock Award
  Pediatrix Medical Group
  N
  5733
  08/01/2009
  Awarded Stock
  Common
  03/01/2020
  Restricted Stock Award
  Pediatrix Medical Group
  N
  65482
  03/01/2020
  Awarded stock
  Common
  05/12/2022
  Restricted Stock Award
  Pediatrix Medical Group
  N
  4885
  05/12/2022
  Awarded Stock
  Common
  06/01/2020
  Restricted Stock Award
  Pediatrix Medical Group
  N
  22345
  06/01/2020
  Awarded Stock
  Common
  03/07/2023
  Restricted Stock Award
  Pediatrix Medical Group
  N
  8480
  03/07/2023
  Awarded Stock
  N
  Roger J. Medel
  100 SE 3rd Ave
  Suite 1910
  Fort Lauderdale
  FL
  33394
  Pediatrix Medical Group
  03/20/2023
  50000
  730071
  Roger J. Medel
  100 SE 3rd Ave
  Suite 1910
  Fort Lauderdale
  FL
  33394
  Pediatrix Medical Group
  03/22/2023
  50000
  728709
  Roger J. Medel
  100 SE 3rd Ave
  Suite 1910
  Fort Lauderdale
  FL
  33394
  Pediatrix Medical Group
  03/29/2023
  50000
  731099
  Roger J. Medel
  100 SE 3rd Ave
  Suite 1910
  Fort Lauderdale
  FL
  33394
  Pediatrix Medical Group
  04/04/2023
  50000
  740122
  Roger J. Medel
  100 SE 3rd Ave
  Suite 1910
  Fort Lauderdale
  FL
  33394
  Pediatrix Medical Group
  04/06/2023
  100000
  1477572
  Roger J. Medel
  100 SE 3rd Ave
  Suite 1910
  Fort Lauderdale
  FL
  33394
  Pediatrix Medical Group
  04/10/2023
  100000
  1488811
  Roger J. Medel
  100 SE 3rd Ave
  Suite 1910
  Fort Lauderdale
  FL
  33394
  Pediatrix Medical Group
  04/11/2023
  50000
  753092
  Roger J. Medel
  100 SE 3rd Ave
  Suite 1910
  Fort Lauderdale
  FL
  33394
  Pediatrix Medical Group
  05/10/2023
  50000
  680050
  05/12/2023
  /s/ UBS Financial Services Inc, as attorney-in-fact for Roger J. Medel