| ACTIVE FOOT AND ANKLE CENTER | Organization | SEATTLE |
| ACUTE PAIN MANAGEMENT PLLC | Organization | BELLEVUE |
| ADVANCED DERMATOLOGY AND SKIN SURGERY, PLLC | Organization | SPOKANE VALLEY |
| ADVANCED GASTROENTEROLOGY | Organization | VANCOUVER |
| AESTHETIC & GENERAL DERMATOLOGY OF SEATTLE | Organization | BURIEN |
| AESTHETIC ASSOCIATES INC P S | Organization | SEATTLE |
| AESTHETIC ASSOCIATES INC P S | Organization | SEATTLE |
| AESTHETIC EYE ASSOCIATES PS | Organization | KIRKLAND |
| AESTHETIC EYE ASSOCIATES, PS | Organization | KIRKLAND |
| ALDERWOOD SURGERY CENTER LLC | Organization | LYNNWOOD |
| ALDERWOOD SURGERY CENTER LLC | Organization | LYNNWOOD |
| ALDERWOOD SURGERY CENTER LLC | Organization | SEATTLE |
| ALISA G. REKOW M.D., LLC | Organization | SEATTLE |
| ANESIS BEL-RED ASC, LLC | Organization | BELLEVUE |
| ANKLE & FOOT CLINIC OF RENTO | Organization | RENTON |
| ANTHONY S KARUZA DPM PS INC | Organization | BELLINGHAM |
| APEX SPINE INSTITUTE | Organization | RICHLAND |
| ARC OF BELLINGHAM LP | Organization | BELLINGHAM |
| ARTISTIC PLASTIC SURGERY CENTER PLLC | Organization | TACOMA |
| AUBURN OUTPATIENT SURGERY CENTER, LLC | Organization | PUYALLUP |
| BAXTER PLASTIC SURGERY | Organization | MOUNTLAKE TERRACE |
| BELLEVUE INTERVENTIONAL SPINE SPECIALIST PS | Organization | BELLEVUE |
| BELLEVUE PLASTIC SURGERY CENTER | Organization | BELLEVUE |
| BELLEVUE UROLOGY ASSOCIATES, INC. PS. | Organization | BELLEVUE |
| BELLINGHAM EAR NOSE THROAT AND FACIAL SURGERY INC | Organization | BELLINGHAM |
| BELLINGHAM UROLOGY GROUP, PLLC | Organization | BELLINGHAM |
| BELLINGHAM UROLOGY SPECIALISTS PLLC | Organization | BELLINGHAM |
| BLACKBURN & WHITNEY MD PS | Organization | BELLINGHAM |
| CABRINI TOWER AMBULATORY SURGERY CENTER | Organization | SEATTLE |
| CASCADE EYE & SKIN CENTERS PC | Organization | PUYALLUP |
| CASCADE REGIONAL EYE CENTER INC PS | Organization | ARLINGTON |
| CASCADE SURGERY ASSOCIATES, PLLC | Organization | AUBURN |
| CASCADE UROLOGY SURGERY CENTER | Organization | BELLINGHAM |
| CEDAR MEDICAL SPECIALTIES | Organization | TACOMA |
| CEDAR MEDICAL SPECIALTIES, PLLC | Organization | TACOMA |
| CENTER FOR MINIMALLY INVASIVE SURGERY PLLC | Organization | GIG HARBOR |
| CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION | Organization | OMAK |
| CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION | Organization | MOSES LAKE |
| CENTRAL WASHINGTON PODIATRY SERVICE PLLC | Organization | YAKIMA |
| CHESNUT INSTITUTE OF COSMETIC & RECONSTRUCTIVE SURGERY | Organization | SPOKANE |
| CHRISTINE E NYGAARD, M.D., P.S. | Organization | BELLEVUE |
| CMN SURGICAL PLLC | Organization | OLYMPIA |
| COLE AESTHETIC CENTER | Organization | SILVERDALE |
| COLUMBIA INTERVENTIONAL RADIOLOGY CONSULTING INC PS | Organization | RICHLAND |
| COLUMBIA SURGERY CENTER LLC | Organization | SPOKANE |
| COLUMBIA SURGICAL SPECIALISTS, PS | Organization | SPOKANE |
| COSMETIC SURGICAL ARTS CENTER, INC.P.S. | Organization | LYNNWOOD |
| CRAIG S. BIRKBY, M.D. | Organization | SEATTLE |
| DAVID F. PRATT MD PS | Organization | KIRKLAND |
| DIGESTIVE DISEASE & ENDOSCOPY CENTER, LLC | Organization | SILVERDALE |
| DIRECT IMAGING PC | Organization | YAKIMA |
| DOCTORS CLINIC A PROFESSIONAL CORPORATION | Organization | SILVERDALE |
| DONALD G. ECHOLS | Organization | OLYMPIA |
| DONALD WORTHAM, MD | Individual | LYNNWOOD |
| DONALD Y. LEE DDS PS | Organization | BELLEVUE |
| DOWNEY PLASTIC SURGERY PLLC | Organization | SEATTLE |
| DOWNEY PLASTIC SURGERY TR | Organization | SEATTLE |
| EAR NOSE AND THROAT ASSOCIATES SOUTHWEST INC PS | Organization | OLYMPIA |
| EAR NOSE THROAT & PLASTIC SURGERY ASSOCIATES OF THE SOUTH SOUND PS | Organization | PUYALLUP |
| EASTSIDE MEDICAL GROUP, LLC | Organization | ISSAQUAH |