CORONAVIRUS: Clinic Operation Changes
As the COVID-19 outbreak evolves, providers and/or clinics may be temporarily relocated and clinic services and schedules adjusted to address urgent patient care needs. This is a fluid situation. For the latest on clinic operations changes,
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Providing comprehensive screening, diagnosis, and treatment of skin cancers, melanomas, moles, and other tumors of the skin, Valley's Dermatology Clinic physicians also help manage contact dermatitis, psoriasis, and other inflammatory skin disorders.
Learn more about the Dermatology Clinic.
Biography
Dr. Matthew Bremmer is originally from Oregon. After attending Oregon State University for undergraduate degree, he attended medical school at the University of Maryland. After graduating in 2008 he completed a year of Internal Medicine training at Virginia Mason Medical Center in Seattle. He returned to Baltimore for training in Dermatology at the University of Maryland. After completing his training he worked in private practice in rural Pennsylvania, prior to joining Valley.
Dr. Bremmer is Board Certified in Dermatology, and is a fellow of the American Academy of Dermatology. His interests are in medical and surgical dermatology, and he enjoys seeing adult and pediatric patients.
Dr. Bremmer and his wife live in Maple Valley. In his spare time he enjoys camping, hiking, boating, and triathlon.
Undergraduate: Oregon State University
Medical School: University of Maryland School of Medicine
Residency: University of Maryland School of Medicine
Other Info
Gender: Male
Affiliation: Valley Medical Group ProvidersBiography
Dr. Knutson is a native of southeastern Michigan. She completed her undergraduate studies in Mathematics at Kalamazoo College and Medical at St Louis University School of Medicine where she also met her husband. It wasn't until she completed Pediatric Residency in Tucson, AZ that she discovered her true passion, Dermatology! She went on to complete her Dermatology Residency at UT Southwestern in Dallas, TX. After practicing and raising 3 children she and her husband moved to the Pacific Northwest to experience all that this incredible area has to offer.
Dr. Knutson's medical interests include skin cancer diagnosis and treatment including Mohs Surgery. She enjoys taking care of all ages and strives to help them understand their diagnosis and treatment. She is a Diplomate of the American Board of Dermatology, and Fellow of the American Society for Mohs Surgery.
Cynthia enjoys reading, hiking, SUPing, and taking her pup to Marymoor dog park.
Other Info
Gender: Female
Affiliation: Valley Medical Group ProvidersBiography
Dr. Kumasaka is a native Washingtonian. He grew up in West Seattle, went to University of Washington for undergraduate studies in Biology and medical school, graduating from medical school in 1988. He trained in Internal Medicine at Providence Medical Center, Portland and Virginia Mason Medical Center before returning to UW to complete his training in Dermatology. Prior to joining Valley in 2001, he practiced at Virginia Mason in Federal Way. He remains on the clinical faculty at UW Medical School and has served as the president of the Pacific Northwest Dermatological Society.
Dr. Kumasaka is board-certified in dermatology. His interests are in medical dermatology. This includes diagnosis and treatment of rashes, skin cancers and other conditions of the skin, hair and nails. He treats adults as well as children.
Dr. Kumasaka lives in Seattle with his wife and three daughters. He enjoys the outdoors, golfing, skiing and playing tennis.
*Dr. Kumasaka was voted as a Top Doctor by Seattle Met Magazine in 2019.
Other Info
Gender: Male
Affiliation: Valley Medical Group ProvidersBiography
Reid Masters, MD, is a dermatologist skilled in the diagnosis and treatment of all types of skin disorders, ranging from psoriasis and eczema to skin cancers and infections.
Dr. Masters completed his medical degree at the University of Illinois and internship in the Navy prior to serving as an Undersea Medical Officer. After four years of general medical practice in the Navy, he completed his dermatology residency at the University of Iowa where he also served as Chief Resident. Following residency, he spent one year in private practice and two years at Virginia Mason Medical Center. Now at Valley Medical Center, he feels fortunate to be practicing in his home town of Renton. Outside of work, Dr. Masters enjoys spending time with his wife and 2 children.
Other Info
Gender: Male
Affiliation: Valley Medical Group Providers
Other Info
Gender: Female
Affiliation: Valley Medical Group Providers