IndividualActive
John Sielski
NPI 1134133291 · Pharmacist · Batavia, NY
John Sielski is a Pharmacist provider in Batavia, NY (NPI 1134133291).
Provider details
- NPI number
- 1134133291
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 027972-1 (NY)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
222 Richmond Ave
Batavia, NY 14020-1227
Phone: (585) 297-1100
Street-level locationGet directions
Mailing address
135 Croydon Dr
Depew, NY 14043-4459
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Sielski's NPI number?
- John Sielski's National Provider Identifier (NPI) is 1134133291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Sielski's specialty?
- John Sielski is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is John Sielski located?
- John Sielski's practice location on file with NPPES is 222 Richmond Ave, Batavia, NY 14020-1227.
- What is John Sielski's phone number?
- The practice phone number listed in the NPPES registry for John Sielski is (585) 297-1100.
- Is John Sielski's NPI active?
- Yes — John Sielski's NPI (1134133291) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.