Registered Dietitians in Washington
Data updated monthly · Last refresh October 2026
2,140 Registered Dietitian providers practice in Washington, including 62 (3%) offering telehealth. The largest concentration is in Seattle. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
2,140providers
62telehealth
Seattletop city
Registered Dietitian by city in Washington
Choose a city to see providers there.
Registered Dietitian providers in Washington
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Stephanie Voytek, RDN, CDSeattle, WA · No drug or device payments recorded (2025) ·
(203) 331-2609 Dr. Stephanie Wagoner, RDSeattle, WA · No drug or device payments recorded (2025) ·
(360) 609-2555 Dr. Susan Billingsley, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 598-4163 Dr. Susan Brooks, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 764-2253 Dr. Susan Bussell, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 598-6004 Dr. Susan Casey, RD, CDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-1744 Dr. Susan Howland Luth, R.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 987-7238 Dr. Susan Mcbride, R.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 731-3000 Dr. Susan Wang, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 215-2440 Dr. Suzanne Stein, RDNSeattle, WA · No drug or device payments recorded (2025) ·
(847) 544-6306 Dr. Sydney Carroll, RDSeattle, WA · No drug or device payments recorded (2025) ·
(302) 558-2731 Dr. Taisha Bell, RD, CDNSeattle, WA · No drug or device payments recorded (2025) ·
(406) 590-7659 Dr. Tamsyn SteelSeattle, WA · No drug or device payments recorded (2025) ·
(206) 818-8761 Dr. Tarynne Mingione, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 386-2051 Dr. Terri Blair, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 925-3525 Dr. Terry Meier, DISeattle, WA · No drug or device payments recorded (2025) ·
(206) 781-6228 Dr. Theresa BergholzSeattle, WA · No drug or device payments recorded (2025) ·
(206) 223-6729 Dr. Tiana Colovos, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 598-6004 Dr. Tina Guadan Fogall, MS, RDNSeattle, WA · No drug or device payments recorded (2025) ·
(206) 650-6305 Dr. Tina Hayashi, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 744-4612 Dr. Tong Law, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 598-6004 Dr. Toni Fiordalis, RDNSeattle, WA · No drug or device payments recorded (2025) ·
(206) 618-3368 Dr. Tracey Graber, R.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 329-1760 Dr. Tracey Kmiecik, MPH, RDSeattle, WA · No drug or device payments recorded (2025) ·
(714) 943-5530 Dr. Trisha Caton, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 223-6729 Dr. Vanessa Imus, RDNSeattle, WA · No drug or device payments recorded (2025) ·
(206) 353-3559 Dr. Vickeri Barton, R.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 731-3000 Dr. Violet Lederman, RDNSeattle, WA · No drug or device payments recorded (2025) ·
(888) 364-5977 Dr. Virginia Hultin, MS RDN CSOSeattle, WA · No drug or device payments recorded (2025) ·
(206) 227-8998 Dr. Virginia Powell, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 215-2090 Dr. Virginia Turner, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 818-3277 Dr. Warren Williams, RDNSeattle, WA · No drug or device payments recorded (2025) ·
(425) 999-7220 Dr. Whitney ParkinsonSeattle, WA · No drug or device payments recorded (2025) ·
(206) 726-9595 Dr. Wing Yan Ng, RD, CNSCSeattle, WA · No drug or device payments recorded (2025) ·
(206) 314-3984 Dr. Xenia Averkiou, MS, RD, CD, CDESeattle, WA · No drug or device payments recorded (2025) ·
(206) 598-6642 Dr. Yasmeen Samad, RDN, CDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 320-3494 Dr. Yi-ching Liao, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 728-4143 Dr. Yijin Liang, RDN, CDSeattle, WA · No drug or device payments recorded (2025) ·
(405) 388-6381 Dr. Yolian Calvo Diaz, R.D., L.N.DSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Young Kwon, MPH, RD, CDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 512-9109 Dr. Yuhan Tao, RD, RDNSeattle, WA · No drug or device payments recorded (2025) ·
(507) 316-2090 Dr. Yvette Carrillo-bernalSeattle, WA · No drug or device payments recorded (2025) ·
(888) 364-5977 Dr. Zoe Nzimande, RDNSeattle, WA · No drug or device payments recorded (2025) ·
(609) 851-3293 Dr. Zulley Diaz, RDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 461-6949 Dr. Barbara Sutton, MOE, RD, CDSedro Woolley, WA · No drug or device payments recorded (2025) ·
(360) 856-7293 Dr. Danica Hardwick, RDSedro Woolley, WA · No drug or device payments recorded (2025) ·
(360) 856-6021 Dr. Karelisa King, RD, CDSedro Woolley, WA · No drug or device payments recorded (2025) ·
(360) 738-2200 Dr. Lori Tiessen, R.D., C.D.E.Sedro Woolley, WA · No drug or device payments recorded (2025) ·
(360) 856-6021 Dr. Margaret Griswold, R.D., C.D.Sedro Woolley, WA · No drug or device payments recorded (2025) ·
(360) 856-6021 Dr. Mary Clark, R.D, C.D.ESedro Woolley, WA · No drug or device payments recorded (2025) ·
(360) 856-6021 Common questions
How many Registered Dietitian providers are in Washington?There are 2,140 Registered Dietitian providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Do Registered Dietitian providers in Washington offer telehealth?Yes. 62 of the 2,140 Registered Dietitian providers in Washington (about 3%) report offering telehealth services in CMS data.
Which cities in Washington have the most Registered Dietitian providers?Seattle (599), Tacoma (150), Spokane (149) have the highest concentration of Registered Dietitian providers in Washington.
How many Registered Dietitian providers in Washington received drug or device company payments?0 of 2,140 Registered Dietitian providers in Washington (0%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Which hospitals do Registered Dietitians in Washington work at?According to CMS facility affiliation records, the Washington hospitals where the most Registered Dietitians hold privileges are Tacoma General Allenmore Hospital in Tacoma; Confluence Health Hospital in Wenatchee.
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