Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Lester S Sielski, MD

Individual provider Internal Medicine Physician · NPI 1669424081

Dr. Lester S Sielski, MD is an Internal Medicine Physician in Amherst, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4239 Maple Rd
Amherst, NY 14226-1039
Phone: (716) 835-2984
Fax: (716) 835-1470
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 106124 (NY)

Record details

NPI number1669424081
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2006
Last updated in NPPESJuly 13, 2026

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