Individual provider · Type 1 NPI

Guy Delorefice, MD

Internal Medicine Physician · Sonoma, CA

NPI number 1952426421 Active

Practice location

370 Perkins St
Sonoma, CA 95476-6827

Fax (707) 938-2321

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XA0689180 (CA)

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…

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About NPI 1952426421

Guy Delorefice, MD's National Provider Identifier is 1952426421, issued on Mar 20, 2007. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Sonoma, CA. The record was last updated on Jun 18, 2026.