Southern Illinois Physicians Group Ltd
NPI 1326411927 · Chiropractor · Greenville, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Southern Illinois Physicians Group Ltd is a Chiropractor organization in Greenville, IL (NPI 1326411927).
Provider details
- NPI number
- 1326411927
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- David Thayer, President(618) 789-0012
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2015-11-04
- Last updated
- 2015-11-04
Frequently asked questions
- What is Southern Illinois Physicians Group Ltd's NPI number?
- Southern Illinois Physicians Group Ltd's National Provider Identifier (NPI) is 1326411927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Southern Illinois Physicians Group Ltd?
- Southern Illinois Physicians Group Ltd is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Southern Illinois Physicians Group Ltd located?
- Southern Illinois Physicians Group Ltd's practice location on file with NPPES is 203 E Main St, Greenville, IL 62246-1810.
- What is Southern Illinois Physicians Group Ltd's phone number?
- The practice phone number listed in the NPPES registry for Southern Illinois Physicians Group Ltd is (618) 692-6700.
- Does Southern Illinois Physicians Group Ltd accept Medicare?
- Southern Illinois Physicians Group Ltd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Southern Illinois Physicians Group Ltd?
- The authorized official listed on Southern Illinois Physicians Group Ltd's NPPES record is David Thayer, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Southern Illinois Physicians Group Ltd's NPI active?
- Yes — Southern Illinois Physicians Group Ltd's NPI (1326411927) is active in the NPPES registry as of the last update on 2015-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.