OrganizationActive
Michael A. Williams, OD, Sc
NPI 1992270862 · Optometrist · Collinsville, IL
Michael A. Williams, OD, Sc is a Optometrist organization in Collinsville, IL (NPI 1992270862).
Provider details
- NPI number
- 1992270862
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Michael Williams, Optometrist(618) 407-4260
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
1040 Collinsville Crossing Blvd
Collinsville, IL 62234-1882
Phone: (618) 343-1508
Fax: (618) 343-2083
Approximate (ZIP-level) locationGet directions
Mailing address
1040 Collinsville Crossing Blvd
Collinsville, IL 62234-1882
Registry dates
- Enumerated
- 2018-10-08
- Last updated
- 2018-10-08
Frequently asked questions
- What is Michael A. Williams, OD, Sc's NPI number?
- Michael A. Williams, OD, Sc's National Provider Identifier (NPI) is 1992270862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael A. Williams, OD, Sc?
- Michael A. Williams, OD, Sc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Michael A. Williams, OD, Sc located?
- Michael A. Williams, OD, Sc's practice location on file with NPPES is 1040 Collinsville Crossing Blvd, Collinsville, IL 62234-1882.
- What is Michael A. Williams, OD, Sc's phone number?
- The practice phone number listed in the NPPES registry for Michael A. Williams, OD, Sc is (618) 343-1508.
- Who is the authorized official for Michael A. Williams, OD, Sc?
- The authorized official listed on Michael A. Williams, OD, Sc's NPPES record is Michael Williams, Optometrist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael A. Williams, OD, Sc's NPI active?
- Yes — Michael A. Williams, OD, Sc's NPI (1992270862) is active in the NPPES registry as of the last update on 2018-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.