National Provider Identifier

Lester S Sielski, M.D

Lester S Sielski, M.D is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Amherst, NY and a listed phone number of (716) 835-2984.

NPI 1669424081Amherst, NYInternal Medicine Physician

Source: public NPPES record, last updated July 13, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1669424081
Provider Type
Individual
Primary Specialty
Internal Medicine Physician
Enumeration Date
May 16, 2006
Last Updated
July 13, 2026

Practice Location

  • 4239 Maple RD
  • Amherst, NY 14226-1039

Phone: (716) 835-2984

Specialties

  • Internal Medicine Physician (207R00000X)

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Biography

Dr. Lester S. Sielski is an Amherst-based internal medicine physician and University at Buffalo medical alumnus. His background includes an internship at Millard Fillmore Hospital and internal medicine residency training through SUNY at Buffalo’s Graduate Medical-Dental Education Consortium, with an early Lancet publication on macroglobulinemia and multiple myeloma.

Full Record
NPI
1669424081
Entity Type
Individual
Last Name
Sielski
First Name
Lester
Middle Name
S
Name Prefix
Dr.
Credential
M.D
Mailing Street Address
4239 Maple RD
Mailing City
Amherst
Mailing State
NY
Mailing ZIP Code
14226-1039
Mailing Country
US
Mailing Phone
(716) 835-2984
Mailing Fax
(716) 835-1470
Practice Street Address
4239 Maple RD
Practice City
Amherst
Practice State
NY
Practice ZIP Code
14226-1039
Practice Country
US
Practice Phone
(716) 835-2984
Practice Fax
(716) 835-1470
Enumeration Date
May 16, 2006
Last Updated
July 13, 2026
Sex
Male
Sole Proprietor
No
Taxonomies
Internal Medicine Physician (207R00000X)