3 Best Endocrinologists in Seattle, WA

Expert-recommended Top 3 Endocrinologists in Seattle, Washington. All of our endocrinologists actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

11+ YEARS IN TBR

MATTHEW D. DAVIES, MD, PHD

FIRST HILL 1124 Columbia Street, Suite 400,
Seattle, WA 98104 Directions

Since 1994

Specialty:

Abnormal Glucose Metabolism Addison's Disease Adrenal Disorders Adrenal Hyperplasia Adrenal Mass Non-Malignant Adrenal Neoplasm Adrenogenital Syndrome Androgen Excess Androgen Insensitivity Bartter Syndrome Calcium Metabolism Carcinoid Syndrome Cholesterol Disorders Congenital Adrenal Hyperplasia Congenital Hypothyroidism Conn Syndrome Cushing Syndrome Diabetes Insipidus Diabetes Mellitus Diabetic Coma Diabetic Ketoacidosis Diabetic Nephropathy Diabetic Neuropathy Diabetic Polyneuropathies Ectopic Hyperparathyroidism

" Dr. Matthew D. Davies obtained his medical degree from the University of Illinois College of Medicine and went on to complete his residency and fellowship at Oregon Health & Science University. Dr. Davies holds board certification in endocrinology, diabetes, and metabolism from the American Board of Internal Medicine. He possesses a keen clinical interest in treating various conditions, including adrenal disorders, cholesterol disorders, carcinoid syndrome, and adrenal hyperplasia. Alongside his practice at Swedish First Hill, Dr. Matthew D. Davies also provides his expertise at Swedish Hospital Cherry Hill Campus. With a warm and welcoming approach, Dr. Davies is pleased to accept new patients into his care.

2026 Highlights: Dr. Matthew D. Davies takes a patient-centered approach to care, working to understand each patient’s individual story and explain the causes of their condition in a clear and meaningful way. "

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License #MD00042631

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Sunna Kwun, MD - Seattle, WA Endocrinologists - Doctor Portrait Image
Sunna Kwun, MD - Seattle, WA Endocrinologists - Clinic Logo
3+ YEARS IN TBR

SUNNA KWUN, MD

SWEDISH ENDOCRINOLOGY-FIRST HILL
1124 Columbia Street, Suite 400,
Seattle, WA 98104 Directions

Since 2007

Specialty:

Endocrine Disorders Diabetes and Metabolism Virtual Care

" Dr. Sunna Kwun is board-certified by the American Board of Internal Medicine. She successfully completed her medical degree at Tufts University School of Medicine and pursued her residency at Yale New Haven Hospital. Dr. Kwun's primary role is to diagnose and evaluate endocrinological disorders within current medical knowledge and treatment protocols. She provides practical, tailored advice to help individuals maintain function despite endocrine dysfunction. Dr. Sunna Kwun is proudly affiliated with Swedish Endocrinology-First Hill, a healthcare institution committed to delivering high-quality, personalized medical services. At Swedish, the dedicated team continuously strives to optimize your healthcare experience.

2026 Highlights: Dr. Sunna Kwun has been serving in the field of medicine for over 19 years. She focuses on evaluating endocrine dysfunction within current medical knowledge and treatment guidelines. "

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License #MD60378339

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R. Alan Failor, MD - Seattle, WA Endocrinologists - Doctor Portrait Image
R. Alan Failor, MD - Seattle, WA Endocrinologists - Clinic Logo
3+ YEARS IN TBR
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R. ALAN FAILOR, MD

ENDOCRINE CARE CENTER AT UW MEDICAL CENTER-ROOSEVELT
4225 Roosevelt Way NorthEast,
Seattle, WA 98105 Directions

Since 1977

Specialty:

Endocrine Gland Cancer Neuroendocrine Tumors Thyroid Cancer Adrenal Gland Diseases Pituitary Gland Cancer Pituitary Tumor Benign Pituitary Gland Tumor Hypothalamus Cancer

" Dr. R. Alan Failor completed his medical degree at the prestigious Icahn School of Medicine at Mount Sinai. He holds board certifications in both General Internal Medicine and Metabolism, Endocrinology & Nutrition. Dr. Failor is dedicated to fostering active partnerships with his patients, working collaboratively to attain the best possible outcomes. He is currently accepting new patients seeking endocrine care. Dr. R. Alan Failor serves as a physician at the Endocrine and Diabetes Care Center at UWMC-Roosevelt and holds the esteemed position of a professor at the University of Washington, specializing in Metabolism, Endocrinology & Nutrition, as well as Medicine.

2026 Highlights: Dr. R. Alan Failor specializes in endocrinology and pituitary disorders and is committed to developing active partnerships with his patients. "

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License #MD00018217

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