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Your Trusted Dermatology Partner in Seattle
Westside Dermatology has served the greater Seattle community for over 15 years, delivering expert, compassionate dermatologic care. Our mission centers on providing high-quality, personalized treatment in a welcoming environment where patient comfort and results are prioritized. We offer a comprehensive range of medical, surgical, and cosmetic dermatology services, utilizing the latest technologies to ensure optimal outcomes. Our physician-led team has treated thousands of patients, emphasizing active listening, respect, and continuous improvement based on patient feedback. We specialize in skin cancer treatment, acne management, and advanced cosmetic procedures, combining board-certified expertise with technology-driven care.

With a focus on both medical excellence and patient experience, we aim to make every visit efficient, educational, and reassuring. Our providers maintain rigorous professional standards, staying current with advancements through ongoing education. Located in Seattle, we serve patients from Tacoma, Capitol Hill, Everett, and surrounding areas, offering convenient access to trusted dermatologic care. Our commitment extends beyond treatment to preventive care, including annual skin exams aligned with American Academy of Dermatology guidelines. By prioritizing individualized care and transparency, we strive to help patients feel confident in their skin and satisfied with their treatment journey.
Services
Medical Dermatology Cosmetic Dermatology Surgical Dermatology Skin Cancer Treatment Laser Hair Removal Botox Injections Dermal Fillers Laser Skin Resurfacing Microneedling Vein Treatments
Highlights and features
  • We offer over 15 years of experience in dermatologic care.
  • Our team includes board-certified physicians and certified providers.
  • We use advanced technologies for medical and cosmetic treatments.
  • Our patient-centered approach prioritizes comfort and personalized care.
  • We serve Seattle and surrounding areas with convenient access.
What people say
Warm, friendly staff Painless procedure Best dermatology group Prompt appointments Effective treatments
Services
Medical Dermatology
Our board-certified dermatologists diagnose and treat conditions like acne, eczema, psoriasis, and skin cancer. We provide evidence-based care tailored to your skin type and health history. Annual skin exams ensure early detection of potential issues.
Cosmetic Dermatology
Enhance your appearance with Botox, dermal fillers, laser resurfacing, and microneedling. Our non-surgical options address wrinkles, sun damage, and skin texture with minimal downtime.
Surgical Dermatology
We perform excisions for skin cancer, mole removal, cyst excision, and scar revision. Our conservative approach prioritizes precision, safety, and optimal cosmetic outcomes.
Laser Hair Removal
Permanent hair reduction using advanced laser technology targets unwanted hair on most body areas. Treatments are customized to skin and hair type for effective results.
Skin Cancer Treatment
We specialize in diagnosing and treating basal cell, squamous cell, and melanoma skin cancers. Our services include biopsies, excisions, and follow-up care for high-risk patients.
People
Kelli R. Arntzen MD
Dermatologist
Dr. Arntzen provides thorough evaluations and personalized treatment plans. She emphasizes patient education and effective care for medical and cosmetic skin concerns.
Ramsey Markus MD
Dermatologist
With 20+ years of experience, Dr. Markus focuses on comprehensive skin care. He builds collaborative relationships to deliver high-quality dermatologic solutions.
Kari Paulson PA-C
Physician Assistant
Certified dermatology PA with expertise in medical and cosmetic treatments. She prioritizes accurate diagnoses and clear communication about treatment options.
Lisa O'Leary LME
Master Aesthetician
With 25+ years of experience, Lisa specializes in advanced treatments like IPL, laser hair removal, and microneedling. She combines technical skill with personalized skincare guidance.
Questions
How do I schedule an appointment?
Call (206) 937-8954 or complete our New Patient Form online before your first visit.
What skin conditions do you treat?
We treat acne, eczema, psoriasis, skin cancer, rosacea, hair/nail disorders, and cosmetic concerns.
Do I need a referral to visit?
No referral is required. Contact us directly to schedule your appointment.
What should I bring to my first appointment?
Bring insurance cards, ID, and payment for copays. Arrive 10-15 minutes early.
Are cosmetic treatments covered by insurance?
Most cosmetic treatments are self-pay. Medical treatments may be covered by insurance.
What happens during a first visit?
We review medical history, perform a skin exam, and create a customized treatment plan.