William Mateik, O.D.
NPI 1205816709 · Optometrist · Winchendon, MA
William Mateik, O.D. is a Optometrist provider in Winchendon, MA (NPI 1205816709).
Provider details
- NPI number
- 1205816709
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2292 (MA)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-01-19
- Last updated
- 2008-08-07
Frequently asked questions
- What is William Mateik's NPI number?
- William Mateik's National Provider Identifier (NPI) is 1205816709, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mateik's specialty?
- William Mateik is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Mateik located?
- William Mateik's practice location on file with NPPES is 13 Walnut St, Winchendon, MA 01475-1626.
- What is William Mateik's phone number?
- The practice phone number listed in the NPPES registry for William Mateik is (978) 297-2020.
- Is William Mateik's NPI active?
- Yes — William Mateik's NPI (1205816709) is active in the NPPES registry as of the last update on 2008-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.