Addiction Medicine Doctors (Family Medicine) in Washington
Data updated monthly · Last refresh October 2026
34 Addiction Medicine (Family Medicine) providers practice in Washington, including 3 (9%) 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.
34providers
3telehealth
Seattletop city
Addiction Medicine (Family Medicine) by city in Washington
Choose a city to see providers there.
Where Addiction Medicine Doctors (Family Medicine) in Washington practice
From CMS Medicare enrollment records covering 16 of the 34 providers listed here (47%). Providers who do not bill Medicare are not included in these figures.
13%solo or small practice (under 10 clinicians)
44%mid-size group (10 to 99)
44%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Addiction Medicine Doctors (Family Medicine) | All clinicians in group | Main city |
| Swedish Health Services | 3 | 1,038 | Seattle |
| Kaiser Foundation Health Plan of Washington | 2 | 1,519 | Burien |
| Grays Harbor Community Hospital | 2 | 91 | Aberdeen |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Addiction Medicine Doctors (Family Medicine) affiliated |
| Swedish Medical Center | Seattle | Nonprofit | 4 of 5 | 3 |
| Grays Harbor Community Hospital | Aberdeen | Nonprofit | 3 of 5 | 2 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Addiction Medicine (Family Medicine) 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. Colette Kato, DOAberdeen, WA · No drug or device payments recorded (2025) ·
(564) 544-1950 Dr. Randall Howerton, MDAberdeen, WA · No drug or device payments recorded (2025) ·
(360) 537-6200 Dr. Adam Kartman, MDBellingham, WA · No drug or device payments recorded (2025) ·
(360) 380-6945 Dr. Ronald Horn, MDBellingham, WA · No drug or device payments recorded (2025) ·
(360) 384-2330 Dr. Elina Chernyak, DOClarkston, WA · $23 in drug and device payments (2025) ·
(509) 769-2211 Dr. Martin Dubek, MDEverett, WA · No drug or device payments recorded (2025) ·
(206) 860-5414 Dr. Rohinton Merchant, MDEverett, WA · No drug or device payments recorded (2025) ·
(425) 258-7390 Dr. Steven Burrows, M.D.Everett, WA · No drug or device payments recorded (2025) ·
(425) 261-1500 Dr. Todd Carran, MDEverett, WA · No drug or device payments recorded (2025) ·
(425) 258-7390 Dr. William Dickinson, DOEverett, WA · No drug or device payments recorded (2025) ·
(425) 258-7390 Dr. Mark Murphy, M.DGig Harbor, WA · $16,628 in drug and device payments (2025) ·
(253) 792-6970 Dr. Cirilo Adao, PACLakewood, WA · $291 in drug and device payments (2025) ·
(253) 474-5141 Dr. Joy Ruiz-molleston, MDLakewood, WA · No drug or device payments recorded (2025) ·
(253) 474-5141 Dr. David Cundiff, M.D.Long Beach, WA · No drug or device payments recorded (2025) ·
(360) 244-4707 Dr. John Patz, DOMonroe, WA · No drug or device payments recorded (2025) ·
(360) 217-1155 Dr. Howard Leibrand, MDMount Vernon, WA · $43 in drug and device payments (2025) ·
(877) 522-1275 Dr. Jeffrey Allgaier, MDRichland, WA · $533 in drug and device payments (2025) · Telehealth ·
(509) 713-1315 Dr. Brian Clear, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(866) 337-2566 Dr. Danielle Paster, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 781-6209 Dr. Jesus Sy, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 325-6036 Dr. Mitchell Hustad, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 320-7288 Dr. Richard Waters, MD, MSCSeattle, WA · No drug or device payments recorded (2025) ·
(206) 776-2253 Dr. Sarah Philp, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 464-1570 Dr. Susanna Basappa, MD, PHDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 744-1832 Dr. Thomas Deal, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 789-5555 Dr. Vania Rudolf, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 781-6209 Dr. Gregory Rehmann, MDSpokane, WA · No drug or device payments recorded (2025) ·
(509) 483-3155 Dr. Gunnar Holmquist, M.D.Spokane, WA · No drug or device payments recorded (2025) ·
(509) 324-6464 Dr. Michael Lemberger, MDSpokane, WA · No drug or device payments recorded (2025) ·
(509) 822-7395 Dr. Randall Riggs, M.D.Spokane, WA · No drug or device payments recorded (2025) ·
(509) 534-5000 Dr. Rex Alvord, MDTacoma, WA · No drug or device payments recorded (2025) ·
(253) 272-3056 Common questions
How many Addiction Medicine (Family Medicine) providers are in Washington?There are 34 Addiction Medicine (Family Medicine) providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Do Addiction Medicine (Family Medicine) providers in Washington offer telehealth?Yes. 3 of the 34 Addiction Medicine (Family Medicine) providers in Washington (about 9%) report offering telehealth services in CMS data.
Which cities in Washington have the most Addiction Medicine (Family Medicine) providers?Seattle (10), Everett (5), Spokane (4) have the highest concentration of Addiction Medicine (Family Medicine) providers in Washington.
How many Addiction Medicine (Family Medicine) providers in Washington received drug or device company payments?8 of 34 Addiction Medicine (Family Medicine) providers in Washington (24%) 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.
Do most Addiction Medicine Doctors (Family Medicine) in Washington work in independent practices or large health systems?Among 16 Addiction Medicine Doctors (Family Medicine) in Washington enrolled in Medicare, 13% bill through a solo or small practice with fewer than 10 clinicians, 44% through a mid-size group of 10 to 99, and 44% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Addiction Medicine Doctors (Family Medicine) in Washington work at?According to CMS facility affiliation records, the Washington hospitals where the most Addiction Medicine Doctors (Family Medicine) hold privileges are Swedish Medical Center in Seattle; Grays Harbor Community Hospital in Aberdeen.
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