Providers Overview Provider Service Representatives - Washington Provider Service Representatives: Washington Contact your PacificSource Provider Service team at the phone and email links below. Lisa Carter253-650-1921Lisa.Carter@PacificSource.com Peninsula/Coastal Counties:ClallamCowlitzGrays HarborJeffersonKitsapLewisPacificWahkiakum Northwest Counties:Island San Juan Skagit Snohomish Whatcom Heidi Cecil253-682-0000Heidi.Cecil@PacificSource.com North Central Counties:ChelanDouglas Grant OkanoganSouth Central Counties:Benton Franklin Kittitas Yakima Northeast Counties:Ferry Lincoln Pend Oreille Stevens SpokaneSoutheast Counties:AdamsAsotin Columbia GarfieldWalla WallaWhitman Branden McCloud253-830-3567Branden.McCloud@PacificSource.com Central Puget Sound Counties:KingPierceThurstonMason Hope Cole253-650-1917Hope.R.Cole@PacificSource.com Southwest Counties:ClarkKlickitatSkamania Washington Provider ServicesWaProvNet@PacificSource.com All service areas TTY: 711. We accept all relay calls.