Home › Top 4 Obstetrician-gynecologist in Petaluma, California Find best Obstetrician-gynecologist in Petaluma, California, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Anthony Kosinski, MD US, Petaluma, CA 949541550 A Professional Dr Ste. 100 Fiona Redwood, MD US, Petaluma, CA 949541179 N McDowell Blvd A Dibble Laurie A MD US, Petaluma, CA 949543900 Lakeville Hwy Providence Medical Group Petaluma - Obstetrics and Gynecology and... US, Petaluma, CA 949541550A Professional Dr Suite 100