Individual provider · Type 1 NPI

Sidney H. Allison, MD

Internal Medicine Physician · Seattle, WA

NPI number 1275893752 Active

Practice location

747 Broadway
Seattle, WA 98122-4379

Call (206) 215-2520 Map

Fax (206) 386-3180

Mailing address

PO Box 25608
Salt Lake City, UT 84125-0608

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XMD60476243 (WA)
Hospitalist Physician 208M00000XMD60476243 (WA)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

559 other providers at this address

Other internal medicine physician providers in Seattle

See all in Seattle →

About NPI 1275893752

Sidney H. Allison, MD's National Provider Identifier is 1275893752, issued on May 18, 2012. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Seattle, WA. The record was last updated on Feb 10, 2026.