OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has affirmed the financial strength rating (FSR) of B+ (Good) and the issuer credit ratings (ICR) of “bbb-” of MVP Health Plan, Inc. and its affiliate, MVP Health Service Corp. Additionally, A.M. Best has upgraded the FSR to B+ (Good) from B (Fair) and the ICR of “bbb-” from “bb” of MVP Health Insurance Company. Concurrently, A.M. Best has withdrawn the FSR of B (Fair) and the ICR of “bb” of MVP Health Insurance Company of New Hampshire, Inc. (Bedford,