Individual provider · Type 1 NPI

Jeffrey Lesser, DO

Internal Medicine Physician · Buffalo, NY

NPI number 1023710522 Active

Practice location

100 High St
Buffalo, NY 14203-1126

Call (716) 859-5600 Map

Mailing address

726 Exchange St Ste 710
Buffalo, NY 14210-1464

Other practice locations

  • 1540 Maple Rd, Williamsville, NY 14221-3647 · (716) 568-3600

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000XV4141 (TX)
Internal Medicine Physician Primary 207R00000X340551 (NY)

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 1023710522

Jeffrey Lesser, DO's National Provider Identifier is 1023710522, issued on Mar 20, 2023. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Buffalo, NY. The record was last updated on Jul 28, 2026.