Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Lester S Sielski MD PC

Organization Internal Medicine Physician · NPI 1710250576

Lester S Sielski MD PC is an Internal Medicine Physician in Amherst, New York. Licensed in New York. Registered with an NPI since 2012.

Licensed in
NY
In the registry since
2012
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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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 number1710250576
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Lester Sielski — President · (715) 835-2984
NPI enumeratedFebruary 9, 2012
Last updated in NPPESFebruary 9, 2012
Mailing address4239 Maple Rd, Buffalo, NY 14226-1039

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