OrganizationActive
Michael A. Williams, DC
NPI 1902064223 · Sports Physician Chiropractor · O Fallon, MO
Michael A. Williams, DC is a Sports Physician Chiropractor organization in O Fallon, MO (NPI 1902064223).
Provider details
- NPI number
- 1902064223
- Entity type
- Organization
- Primary specialty
- Sports Physician ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Michael Williams, President(636) 272-8888
- License
- CD-006167 (MO)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
8633 Mexico Rd
O Fallon, MO 63366-7506
Phone: (636) 272-8888
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 935
O Fallon, MO 63366-0935
Registry dates
- Enumerated
- 2008-05-23
- Last updated
- 2012-02-28
Frequently asked questions
- What is Michael A. Williams, DC's NPI number?
- Michael A. Williams, DC's National Provider Identifier (NPI) is 1902064223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael A. Williams, DC?
- Michael A. Williams, DC is classified in the NPPES registry as Sports Physician Chiropractor (Chiropractic Providers).
- Where is Michael A. Williams, DC located?
- Michael A. Williams, DC's practice location on file with NPPES is 8633 Mexico Rd, O Fallon, MO 63366-7506.
- What is Michael A. Williams, DC's phone number?
- The practice phone number listed in the NPPES registry for Michael A. Williams, DC is (636) 272-8888.
- Who is the authorized official for Michael A. Williams, DC?
- The authorized official listed on Michael A. Williams, DC's NPPES record is Michael Williams, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael A. Williams, DC's NPI active?
- Yes — Michael A. Williams, DC's NPI (1902064223) is active in the NPPES registry as of the last update on 2012-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.