Vascular & Interventional Radiologists in Washington
Data updated monthly · Last refresh October 2026
122 Vascular & Interventional Radiology providers practice in Washington, including 16 (13%) 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.
122providers
16telehealth
Seattletop city
Vascular & Interventional Radiology by city in Washington
Choose a city to see providers there.
Where Vascular & Interventional Radiologists in Washington practice
From CMS Medicare enrollment records covering 94 of the 122 providers listed here (77%). Providers who do not bill Medicare are not included in these figures.
2%solo or small practice (under 10 clinicians)
12%mid-size group (10 to 99)
86%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Vascular & Interventional Radiologists | All clinicians in group | Main city |
| Radia Inc. P S | 20 | 275 | Seattle |
| The Association of University Physicians | 15 | 3,484 | Seattle |
| Tra-Minw P S | 14 | 152 | Tacoma |
| Central Washington Health Services Association | 12 | 708 | Wenatchee |
| Swedish Health Services | 12 | 156 | Everett |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Vascular & Interventional Radiologists affiliated |
| St Joseph Medical Center | Tacoma | Nonprofit | 3 of 5 | 19 |
| Tacoma General Allenmore Hospital | Tacoma | Nonprofit | 2 of 5 | 15 |
| University of Washington Medical Ctr | Seattle | Government | 4 of 5 | 13 |
| St Anthony Hospital | Gig Harbor | Nonprofit | 5 of 5 | 12 |
| Overlake Hospital Medical Center & Clinics | Bellevue | Nonprofit | 2 of 5 | 11 |
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.
Vascular & Interventional Radiology 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. Bradley Brown, MDBremerton, WA · No drug or device payments recorded (2025) ·
(360) 479-6555 Dr. Steven Bell, MDBremerton, WA · $167 in drug and device payments (2025) ·
(360) 479-6555 Dr. David Cohn, MDEverett, WA · No drug or device payments recorded (2025) ·
(425) 297-6200 Dr. Dylan Constantino, MDFederal Way, WA · $298 in drug and device payments (2025) ·
(253) 661-1700 Dr. Samuel Chao, M.D.Federal Way, WA · $122 in drug and device payments (2025) ·
(253) 661-1700 Dr. Stephanie SorianoFederal Way, WA · $276 in drug and device payments (2025) ·
(503) 216-4830 Dr. Zachariah Kramer, M.D.Kelso, WA · No drug or device payments recorded (2025) ·
(360) 425-5131 Dr. Dara Omer, MDKirkland, WA · $29 in drug and device payments (2025) ·
(425) 899-1800 Dr. Ryan Strilaeff, MDLongview, WA · $301 in drug and device payments (2025) ·
(360) 414-2000 Dr. Aaroh Parikh, MD, MBALynnwood, WA · $1,033 in drug and device payments (2025) ·
(425) 563-1500 Dr. Ben Harmon, MDLynnwood, WA · $42 in drug and device payments (2025) ·
(425) 563-1500 Dr. Bradley Griffitts, MDLynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Charles Daly, MDLynnwood, WA · $876 in drug and device payments (2025) ·
(425) 563-1500 Dr. Daniel Holbert, MDLynnwood, WA · $18 in drug and device payments (2025) ·
(425) 563-1500 Dr. David Omdal, MDLynnwood, WA · $214 in drug and device payments (2025) ·
(425) 563-1500 Dr. Filip Turcer, MDLynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Geoffrey Ferguson, MDLynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Hassan Ahmad, MDLynnwood, WA · $1,152 in drug and device payments (2025) ·
(425) 563-1500 Dr. Judson Threlkeld, MDLynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Justin Smith, MDLynnwood, WA · $414 in drug and device payments (2025) ·
(425) 563-1500 Dr. Kirk Myers, DOLynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Mark Wilson, MDLynnwood, WA · $751 in drug and device payments (2025) ·
(425) 563-1500 Dr. Michael Degroot, MDLynnwood, WA · $56 in drug and device payments (2025) ·
(425) 563-1500 Dr. Michael Larson, M.D.Lynnwood, WA · $87 in drug and device payments (2025) ·
(425) 563-1500 Dr. Philip Vogelzang, MDLynnwood, WA · $31 in drug and device payments (2025) ·
(425) 563-1500 Dr. Rashed Hasan, MDLynnwood, WA · $5,902 in drug and device payments (2025) ·
(425) 563-1500 Dr. Robert Feldman, M.D.Lynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Robert Osnis, MDLynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Ryan Herde, MDLynnwood, WA · $118 in drug and device payments (2025) ·
(425) 563-1500 Dr. Samuel Magny, MDLynnwood, WA · $201 in drug and device payments (2025) ·
(425) 563-1500 Dr. Samuel Yap, MDLynnwood, WA · $4,709 in drug and device payments (2025) ·
(254) 563-1500 Dr. Stephen Whipple, DOLynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Tyler Mckay, M.D.Lynnwood, WA · $306 in drug and device payments (2025) ·
(425) 563-1500 Dr. William Crenshaw, MDLynnwood, WA · No drug or device payments recorded (2025) ·
(425) 563-1500 Dr. Evert-jan Verschuyl, MD Dr. Ian Timms, MDOlympia, WA · No drug or device payments recorded (2025) ·
(360) 493-4600 Dr. Navneet Singha, MDOlympia, WA · No drug or device payments recorded (2025) ·
(360) 493-4600 Dr. Thomas Luetkehans, MDOlympia, WA · No drug or device payments recorded (2025) ·
(360) 493-4609 Dr. Lawrence Frood, MDPuyallup, WA · No drug or device payments recorded (2025) ·
(253) 841-4353 Dr. Saravanan Kasthuri, MDRichland, WA · $1,288 in drug and device payments (2025) · Telehealth ·
(509) 588-7613 Dr. Aaron Daub, M.D., PH.D.Seattle, WA · $946 in drug and device payments (2025) ·
(206) 223-6851 Dr. Arthie JeyakumarSeattle, WA · $180 in drug and device payments (2025) ·
(206) 326-3000 Dr. Avik Som, MD, PHDSeattle, WA · $421 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Charlene Ofosu, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Charles Hua, MDSeattle, WA · $83 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. David Glickerman, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 277-3189 Dr. Deva Ananda, RNSeattle, WA · No drug or device payments recorded (2025) ·
(206) 326-4436 Dr. Elliott Mueller, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 583-6079 Dr. Evan Johnson, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Common questions
How many Vascular & Interventional Radiology providers are in Washington?There are 122 Vascular & Interventional Radiology providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Do Vascular & Interventional Radiology providers in Washington offer telehealth?Yes. 16 of the 122 Vascular & Interventional Radiology providers in Washington (about 13%) report offering telehealth services in CMS data.
Which cities in Washington have the most Vascular & Interventional Radiology providers?Seattle (39), Lynnwood (25), Tacoma (19) have the highest concentration of Vascular & Interventional Radiology providers in Washington.
How many Vascular & Interventional Radiology providers in Washington received drug or device company payments?77 of 122 Vascular & Interventional Radiology providers in Washington (63%) 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 Vascular & Interventional Radiologists in Washington work in independent practices or large health systems?Among 94 Vascular & Interventional Radiologists in Washington enrolled in Medicare, 2% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 86% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Vascular & Interventional Radiologists in Washington work at?According to CMS facility affiliation records, the Washington hospitals where the most Vascular & Interventional Radiologists hold privileges are St Joseph Medical Center in Tacoma; Tacoma General Allenmore Hospital in Tacoma; University of Washington Medical Ctr in Seattle.
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