Neurology of Southern Illinois, Ltd.
NPI 1003950395 · Neurology Physician · Herrin, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neurology of Southern Illinois, Ltd. is a Neurology Physician organization in Herrin, IL (NPI 1003950395).
Provider details
- NPI number
- 1003950395
- Entity type
- Organization
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lori Guyton, M.D.(618) 993-0444
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-02-19
- Last updated
- 2020-08-22
Frequently asked questions
- What is Neurology of Southern Illinois, Ltd.'s NPI number?
- Neurology of Southern Illinois, Ltd.'s National Provider Identifier (NPI) is 1003950395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Neurology of Southern Illinois, Ltd.?
- Neurology of Southern Illinois, Ltd. is classified in the NPPES registry as Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Neurology of Southern Illinois, Ltd. located?
- Neurology of Southern Illinois, Ltd.'s practice location on file with NPPES is 3301 Logan Dr, Herrin, IL 62948-3732.
- What is Neurology of Southern Illinois, Ltd.'s phone number?
- The practice phone number listed in the NPPES registry for Neurology of Southern Illinois, Ltd. is (618) 993-0444.
- Does Neurology of Southern Illinois, Ltd. accept Medicare?
- Neurology of Southern Illinois, 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 Neurology of Southern Illinois, Ltd.?
- The authorized official listed on Neurology of Southern Illinois, Ltd.'s NPPES record is Lori Guyton, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Neurology of Southern Illinois, Ltd.'s NPI active?
- Yes — Neurology of Southern Illinois, Ltd.'s NPI (1003950395) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.