Internal Medicine in Mercer Island, Washington
Data updated monthly · Last refresh September 2026
12 Internal Medicine providers practice in Mercer Island. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Mercer Island
Listed alphabetically. 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. Alexandra Styhl, MDMercer Island, WA · $135 in drug and device payments (2025) · Telehealth ·
(206) 275-5060 Dr. Daniel Kent, M.D.Mercer Island, WA · No drug or device payments recorded (2025) ·
(206) 232-7649 Dr. James Martin, MDMercer Island, WA · No drug or device payments recorded (2025) ·
(206) 275-5060 Dr. Julie Thomas, MDMercer Island, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 275-5060 Dr. Keith Luther, MDMercer Island, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 275-5060 Dr. Leonard Rosoff, M.D.Mercer Island, WA · No drug or device payments recorded (2025) ·
(206) 232-3940 Dr. Linda Rosenstock, MDMercer Island, WA · No drug or device payments recorded (2025) ·
(310) 487-8495 Dr. Martin Gelfand, M.D.Mercer Island, WA · $42 in drug and device payments (2025) ·
(206) 232-2584 Dr. Paul Sytman, MDMercer Island, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 275-5060 Dr. Rutherford Hayes, MDMercer Island, WA · No drug or device payments recorded (2025) ·
(206) 232-7546 Dr. Stephen Walston, MDMercer Island, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 386-9500 Dr. Steven Dunning, MDMercer Island, WA · No drug or device payments recorded (2025) ·
(206) 232-4588 Conditions Internal Medicine providers in Mercer Island, 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 Mercer Island, Washington?There are 12 Internal Medicine providers with active NPI records practicing in Mercer Island, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Mercer Island treat?Internal Medicine providers in Mercer Island 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 records 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.
All specialties in Mercer Island Internal Medicine across Washington
