IndividualActive
Dennis Osiak
NPI 1174694681 · Contact Lens Fitter · Williamsville, NY
Provider details
- NPI number
- 1174694681
- Entity type
- Individual
- Primary specialty
- Contact Lens FitterEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- C0036231 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 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
4545 Transit Rd
Eastern Hills Mall
Williamsville, NY 14221-6012
Phone: (716) 632-5497
Fax: (716) 632-1182
Street-level locationGet directions
Mailing address
4545 Transit Rd
Williamsville, NY 14221-6012
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2008-07-24
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.