IndividualActive

Marshall Horwitz

NPI 1013007970 · Clinical Genetics (M.D.) Physician · Seattle, WA

Provider details

NPI number: 1013007970
Entity type: Individual
Primary specialty: Clinical Genetics (M.D.) PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: MD00030116 (WA)

Clinical Genetics (M.D.) PhysicianPrimary207SG0201XLicense MD00030116 (WA)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense MD00030116 (WA)
Allopathic & Osteopathic Physicians
Clinical Molecular Genetics Physician207SG0203XLicense MD00030116 (WA)
Allopathic & Osteopathic Physicians
Molecular Genetic Pathology (Medical Genetics) Physician207SM0001XLicense MD00030116 (WA)
Allopathic & Osteopathic Physicians

University of Washington Medical Ctr

1959 Ne Pacific St

Seattle, WA 98195-6127

Phone: (206) 616-2135

Approximate (ZIP-level) locationGet directions

Po Box 50095

Seattle, WA 98145-5095

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.