Internal Medicine Doctors in Washington
Data updated monthly · Last refresh October 2026
3,092 Internal Medicine providers practice in Washington, including 697 (23%) 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.
3,092providers
697telehealth
Seattletop city
Internal Medicine by city in Washington
Choose a city to see providers there.
Internal 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. Wendy Ng, M.D.Vancouver, WA · $21 in drug and device payments (2025) ·
(503) 413-8407 Dr. Wudeneh Mulugeta, M.D., M.P.H.Vancouver, WA · No drug or device payments recorded (2025) · Telehealth ·
(800) 813-2000 Dr. Yarun Nessa, MDVancouver, WA · No drug or device payments recorded (2025) ·
(360) 882-2778 Dr. Yash Patel, DOVancouver, WA · $20 in drug and device payments (2025) · Telehealth ·
(360) 882-2778 Dr. Ya-yun Yang, MDVancouver, WA · No drug or device payments recorded (2025) ·
(360) 882-2778 Dr. Zi-on CheungVancouver, WA · No drug or device payments recorded (2025) · Telehealth ·
(360) 215-2589 Dr. Allison Bauer, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-3720 Dr. Bayu Teklu, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-5200 Dr. Benjamin Leach, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 522-5145 Dr. Benjamin Rodriguez, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-6650 Dr. Bruce Barga, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-8110 Dr. Cynthia Rasch, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-3320 Dr. Dan Grinstead, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-3720 Dr. Delwyn Baker, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-5200 Dr. Donald Rowberg, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-5200 Dr. Eric Ball, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-3720 Dr. Eric Jauhiainen, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-3720 Dr. Eric Schwartzkopf, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-8110 Dr. Ernesto Enrique Garcia Rodriguez, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 897-2100 Dr. Galen Mcquarrie, M. D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-5200 Dr. Haris Zaheer, MDWalla Walla, WA · No drug or device payments recorded (2025) · Telehealth ·
(509) 897-3600 Dr. James Mason, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-0480 Dr. Joanne Lynn Perez, M.D.Walla Walla, WA · $478 in drug and device payments (2025) · Telehealth ·
(509) 525-8110 Dr. John Heffernan, DOWalla Walla, WA · $235 in drug and device payments (2025) · Telehealth ·
(509) 897-5836 Dr. Jon Gardner, MDWalla Walla, WA · No drug or device payments recorded (2025) · Telehealth ·
(509) 525-8110 Dr. Joseph Meyer, MDWalla Walla, WA · $35 in drug and device payments (2025) ·
(509) 525-3320 Dr. Karen Geheb, M.D.Walla Walla, WA · $98 in drug and device payments (2025) ·
(509) 897-3320 Dr. Karl Tjerandsen, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 897-3320 Dr. Kevin Andrews, MDWalla Walla, WA · $159 in drug and device payments (2025) ·
(509) 525-3720 Dr. Lori Brown, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-8110 Dr. Lynn KemperWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 897-2980 Dr. Michael Parnicky, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-5200 Dr. Michael Wilcox, M.D.Walla Walla, WA · $974 in drug and device payments (2025) ·
(509) 525-3720 Dr. Mohammed Omar Ahmed, M.DWalla Walla, WA · $166 in drug and device payments (2025) ·
(509) 897-3320 Dr. Patricia Mcilvaine, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-3720 Dr. Paul Parker, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-8110 Dr. Philip Hooper, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-3720 Dr. Robert Fleming, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(507) 525-5200 Dr. Roshan Patel, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 897-3320 Dr. Samuel Rayapati, M.DWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-5200 Dr. Sri Harika Meka, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 897-3320 Dr. Stevie Mazyck, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 897-3320 Dr. Susan Thompson, M.D.Walla Walla, WA · No drug or device payments recorded (2025) ·
(509) 525-3720 Dr. Thomas Koehler, MDWalla Walla, WA · No drug or device payments recorded (2025) ·
(509) 522-5145 Dr. Alexandra Graham, M.D.Wenatchee, WA · $522 in drug and device payments (2025) ·
(509) 663-8711 Dr. Alicia Hodge, M.D.Wenatchee, WA · $47 in drug and device payments (2025) ·
(509) 663-8711 Dr. Alvinesh Singh, MDWenatchee, WA · No drug or device payments recorded (2025) ·
(509) 663-8711 Dr. Anton Zavoyskikh, M.D.Wenatchee, WA · No drug or device payments recorded (2025) ·
(509) 663-8711 Dr. Bishal TiwariWenatchee, WA · No drug or device payments recorded (2025) ·
(509) 663-8711 Dr. Brent Barber, M.D.Wenatchee, WA · No drug or device payments recorded (2025) ·
(509) 663-8711 Conditions Internal Medicine providers in Washington commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Washington?There are 3,092 Internal Medicine providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Washington offer telehealth?Yes. 697 of the 3,092 Internal Medicine providers in Washington (about 23%) report offering telehealth services in CMS data.
Which cities in Washington have the most Internal Medicine providers?Seattle (823), Tacoma (261), Spokane (231) have the highest concentration of Internal Medicine providers in Washington.
How many Internal Medicine providers in Washington received drug or device company payments?465 of 3,092 Internal Medicine providers in Washington (15%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Washington treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Internal Medicine Doctors in Washington work in independent practices or large health systems?Among 1,707 Internal Medicine Doctors in Washington enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 6% through a mid-size group of 10 to 99, and 87% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Washington work at?According to CMS facility affiliation records, the Washington hospitals where the most Internal Medicine Doctors hold privileges are Swedish Medical Center in Seattle; St Joseph Medical Center in Tacoma; Providence Regional Medical Center Everett in Everett.
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