Who writes medical malpractice in Pennsylvania
Top insurer groups from the NAIC market share report; the state's own licensed-company list isn't available in a form a program can read.
Mountain Laurel Rrg Inc wrote the most medical malpractice in Pennsylvania in 2025, $194.9M and 19.0% of the state's premium; the top five groups hold 48%. Pennsylvania doesn't publish a machine-readable list of every licensed company, so the ranking below is the NAIC's top 10 groups.
By Sam Alishahi, independent insurance broker · All lines in Pennsylvania
Method and source
Top insurer groups from the NAIC market share report; the state's own licensed-company list isn't available in a form a program can read. "Premium" is direct premium written in the state for the year shown; "share" is that company's part of the state total for the line. A company can be licensed for a line and write none of it, and a surplus lines insurer can write a line without a state license for it.
Open to use. Cite "Alishahi Insurance insurance company directory" and link here. CSV · JSON.
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