Lester S Sielski MD PC
NPI 1710250576 · Internal Medicine Physician · Amherst, NY
Lester S Sielski MD PC is a Internal Medicine Physician organization in Amherst, NY (NPI 1710250576).
Provider details
- NPI number
- 1710250576
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lester Sielski, President(715) 835-2984
- License
- 106124 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-02-09
- Last updated
- 2012-02-09
Frequently asked questions
- What is Lester S Sielski MD PC's NPI number?
- Lester S Sielski MD PC's National Provider Identifier (NPI) is 1710250576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lester S Sielski MD PC?
- Lester S Sielski MD PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lester S Sielski MD PC located?
- Lester S Sielski MD PC's practice location on file with NPPES is 4239 Maple Rd, Amherst, NY 14226-1039.
- What is Lester S Sielski MD PC's phone number?
- The practice phone number listed in the NPPES registry for Lester S Sielski MD PC is (716) 835-2984.
- Who is the authorized official for Lester S Sielski MD PC?
- The authorized official listed on Lester S Sielski MD PC's NPPES record is Lester Sielski, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lester S Sielski MD PC's NPI active?
- Yes — Lester S Sielski MD PC's NPI (1710250576) is active in the NPPES registry as of the last update on 2012-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.