Individual provider · Type 1 NPI

Lester S. Sielski, MD

Internal Medicine Physician · Amherst, NY

NPI number 1669424081 Active

Practice location

4239 Maple Rd
Amherst, NY 14226-1039

Fax (716) 835-1470

Specialties and licenses

Taxonomy	Code	License
Internal Medicine Physician Primary	207R00000X	106124 (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 1669424081

Lester S. Sielski, MD's National Provider Identifier is 1669424081, issued on May 16, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Amherst, NY. The record was last updated on Jul 13, 2026.