Southern Illinois Gi Specialists LLC
NPI 1093775405 · Gastroenterology Physician · Carbondale, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Southern Illinois Gi Specialists LLC is a Gastroenterology Physician organization in Carbondale, IL (NPI 1093775405).
Provider details
- NPI number
- 1093775405
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Zahoor Makhdoom, MD Owner(618) 549-8006
- License
- 036094155 (IL)
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
20 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
- 2006-03-28
- Last updated
- 2008-08-12
Frequently asked questions
- What is Southern Illinois Gi Specialists LLC's NPI number?
- Southern Illinois Gi Specialists LLC's National Provider Identifier (NPI) is 1093775405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Southern Illinois Gi Specialists LLC?
- Southern Illinois Gi Specialists LLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Southern Illinois Gi Specialists LLC located?
- Southern Illinois Gi Specialists LLC's practice location on file with NPPES is 1100 W Diann Ln, Carbondale, IL 62901-5339.
- What is Southern Illinois Gi Specialists LLC's phone number?
- The practice phone number listed in the NPPES registry for Southern Illinois Gi Specialists LLC is (618) 549-8006.
- Does Southern Illinois Gi Specialists LLC accept Medicare?
- Southern Illinois Gi Specialists 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 Gi Specialists LLC?
- The authorized official listed on Southern Illinois Gi Specialists LLC's NPPES record is Zahoor Makhdoom, MD Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Southern Illinois Gi Specialists LLC's NPI active?
- Yes — Southern Illinois Gi Specialists LLC's NPI (1093775405) is active in the NPPES registry as of the last update on 2008-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.