Markets MarketPhysiciansWarren-Troy-Farmington Hills, MI312Detroit-Dearborn-Livonia, MI159Grand Rapids-Wyoming-Kentwood, MI152Ann Arbor, MI89Lansing-East Lansing, MI71Kalamazoo-Portage, MI45Flint, MI31Niles, MI26Traverse City, MI20Monroe, MI14Saginaw, MI13Muskegon-Norton Shores, MI12Midland, MI12Jackson, MI8Battle Creek, MI6Bay City, MI4South Bend-Mishawaka, IN-MI1
Counties CountyPhysiciansOakland209Wayne159Kent111Washtenaw89Macomb74Ingham58Kalamazoo45Genesee31Ottawa28Berrien26Livingston19Grand Traverse17Monroe14Saginaw13Muskegon12Midland12Eaton9Jackson8St. Clair8Barry7Marquette7St. Joseph6Calhoun6Wexford6Allegan5Emmet5Dickinson4Charlevoix4Lenawee4Clinton4Gratiot4Isabella4Bay4Montcalm3Ionia3Newaygo2Lapeer2Sanilac2Cheboygan2Branch2Leelanau2Van Buren2Oceana2Clare2Otsego2Mecosta2Antrim2Chippewa1Missaukee1Roscommon1Shiawassee1Huron1Cass1Ontonagon1Benzie1Crawford1Gladwin1Baraga1Luce1