Pediatric Cardiologists in Washington
Data updated monthly · Last refresh October 2026
90 Pediatric Cardiology providers practice in Washington. 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.
90providers
Seattletop city
Pediatric Cardiology by city in Washington
Choose a city to see providers there.
Where Pediatric Cardiologists in Washington practice
From CMS Medicare enrollment records covering 43 of the 90 providers listed here (48%). Providers who do not bill Medicare are not included in these figures.
16%solo or small practice (under 10 clinicians)
0%mid-size group (10 to 99)
84%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Pediatric Cardiologists | All clinicians in group | Main city |
| The Association of Chrmc and University Physicians | 24 | 313 | Seattle |
| Providence Health and Services Washington | 6 | 778 | Spokane |
| Seattle Childrens Hospital | 4 | 113 | Seattle |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Pediatric Cardiologists affiliated |
| Seattle Children's Hospital | Seattle | Nonprofit | Not rated | 6 |
| Prov Sacred Hrt Med Ctr & Childs Hosp. | Spokane | Nonprofit | 3 of 5 | 5 |
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.
Pediatric Cardiology 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. Robert Ardinger, M.D.Bainbridge Island, WA · No drug or device payments recorded (2025) ·
(913) 626-0662 Dr. Matthew Studer, M.D.Bellevue, WA · $68 in drug and device payments (2025) ·
(425) 502-3000 Dr. Christopher Bellotti, M.D.Everett, WA · No drug or device payments recorded (2025) ·
(425) 339-5411 Dr. Nauman Ahmad, M.D.Federal Way, WA · $183 in drug and device payments (2025) ·
(253) 661-5939 Dr. Matthew Russell, M.D.Olympia, WA · No drug or device payments recorded (2025) ·
(360) 923-7000 Dr. Sushitha Surendran, MDRenton, WA · No drug or device payments recorded (2025) ·
(425) 690-3482 Dr. Phat Pham, MDRichland, WA · No drug or device payments recorded (2025) ·
(509) 747-6707 Dr. Veronica Schmer, M.D.Richland, WA · No drug or device payments recorded (2025) ·
(509) 946-0976 Dr. Aarti Bhat, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2127 Dr. Addison Gearhart, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Agustin Rubio, MDSeattle, WA · $204 in drug and device payments (2025) ·
(206) 987-1083 Dr. Alexander Canova, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Amy SchultzSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Andrea Otero Luna, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Andrew Koth, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Bethany Wisotzkey, M.D.Seattle, WA · $655 in drug and device payments (2025) ·
(206) 987-2000 Dr. Bhawna Arya, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2127 Dr. Borah Hong, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 543-0065 Dr. Brian Morray, M.D.Seattle, WA · $29,367 in drug and device payments (2025) ·
(206) 469-3617 Dr. Brian Soriano, M.D.Seattle, WA · $130 in drug and device payments (2025) ·
(206) 987-2015 Dr. Christina Hartje-dunn, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Christopher Schmitt, MD, MPHSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-3934 Dr. Delphine YungSeattle, WA · $213 in drug and device payments (2025) ·
(206) 987-2000 Dr. Erin Albers, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2015 Dr. Evan Holleran, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Eyal Sagiv, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Humera Ahmed, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Iman Naimi, MDSeattle, WA · $1,881 in drug and device payments (2025) ·
(206) 987-1083 Dr. Isamu KawaboriSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Jack SalernoSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. James StevensonSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Jason Deen, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(612) 310-2277 Dr. Jeffrey Conwell, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2266 Dr. Jessica Colyer, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Joshua Weldin, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2222 Dr. Kimberly Krabill, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 223-2178 Dr. Luciana Young, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-7495 Dr. Margaret Vernon, M.D. Dr. Mariska Kemna, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Mark LewinSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Mary O'donnell-smith, M.D.Seattle, WA · $2,328 in drug and device payments (2025) ·
(206) 987-2000 Dr. Masato Takahashi, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 987-1713 Dr. Matthew Files, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-0691 Dr. Mehreen Iqbal, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Michael Kim, D.O.Seattle, WA · No drug or device payments recorded (2025) ·
(414) 266-6800 Dr. Michael Lin, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2525 Dr. Michael PortmanSeattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Nelangi Pinto, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 987-2000 Dr. Nicholas Brown, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Common questions
How many Pediatric Cardiology providers are in Washington?There are 90 Pediatric Cardiology providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Which cities in Washington have the most Pediatric Cardiology providers?Seattle (62), Tacoma (10), Spokane (8) have the highest concentration of Pediatric Cardiology providers in Washington.
How many Pediatric Cardiology providers in Washington received drug or device company payments?21 of 90 Pediatric Cardiology providers in Washington (23%) 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 Pediatric Cardiologists in Washington work in independent practices or large health systems?Among 43 Pediatric Cardiologists in Washington enrolled in Medicare, 16% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 84% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Pediatric Cardiologists in Washington work at?According to CMS facility affiliation records, the Washington hospitals where the most Pediatric Cardiologists hold privileges are Seattle Children's Hospital in Seattle; Prov Sacred Hrt Med Ctr & Childs Hosp. in Spokane.
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