Southern Illinois Neuropsychology LLC
NPI 1861909509 · Clinical Neuropsychologist · Edwardsville, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Southern Illinois Neuropsychology LLC is a Clinical Neuropsychologist organization in Edwardsville, IL (NPI 1861909509).
Provider details
- NPI number
- 1861909509
- Entity type
- Organization
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Phillip Ruppert, Owner(618) 391-4021
- License
- 071009269 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-01-03
- Last updated
- 2022-02-10
- Certified
- 2022-02-10
Frequently asked questions
- What is Southern Illinois Neuropsychology LLC's NPI number?
- Southern Illinois Neuropsychology LLC's National Provider Identifier (NPI) is 1861909509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Southern Illinois Neuropsychology LLC?
- Southern Illinois Neuropsychology LLC is classified in the NPPES registry as Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Southern Illinois Neuropsychology LLC located?
- Southern Illinois Neuropsychology LLC's practice location on file with NPPES is 60 S State Route 157, Edwardsville, IL 62025.
- What is Southern Illinois Neuropsychology LLC's phone number?
- The practice phone number listed in the NPPES registry for Southern Illinois Neuropsychology LLC is (618) 391-4021.
- Does Southern Illinois Neuropsychology LLC accept Medicare?
- Southern Illinois Neuropsychology LLC 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 Neuropsychology LLC?
- The authorized official listed on Southern Illinois Neuropsychology LLC's NPPES record is Phillip Ruppert, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Southern Illinois Neuropsychology LLC's NPI active?
- Yes — Southern Illinois Neuropsychology LLC's NPI (1861909509) is active in the NPPES registry as of the last update on 2022-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.