SOUTHERN ILLINOIS OB-GYN ASSOCIATES, S.C.
NPI 1699838276
Obstetrics & Gynecology in Herrin, IL
About Southern Illinois Ob-gyn Associates, S.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOUTHERN ILLINOIS OB-GYN ASSOCIATES, S.C. (NPI 1699838276) is a healthcare organization registered as an obstetrics & gynecology in Herrin, Illinois and active in the NPI registry since December 2006. The organization holds a CLIA Microscopy certificate valid through September 9, 2028 and lists Heather Hudson, Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Southern Illinois Ob-gyn Associates, S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
9Medicare enrollment records show 9 clinicians reassign Medicare billing to Southern Illinois Ob-Gyn Associates, S.C., which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.
Clinicians, nearest first (9)
Carbondale, IL 62901
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate for Provider-Performed Microscopy Procedures (PPMP) 14D0950863
Southern Illinois Ob Gyn As Sc · Herrin, ILFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Southern Illinois Ob-Gyn Associates, S.C.'s NPI number?
The NPI number for Southern Illinois Ob-Gyn Associates, S.C. is 1699838276. It was assigned to this organization in the NPPES registry on December 18, 2006.
Where is Southern Illinois Ob-Gyn Associates, S.C. located?
Southern Illinois Ob-Gyn Associates, S.C. is located at 500 Rushing Dr, Herrin, IL 62948. The listed phone number is (618) 998-8808.
What is Southern Illinois Ob-Gyn Associates, S.C.'s specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Southern Illinois Ob-Gyn Associates, S.C. enrolled in Medicare?
Yes. Southern Illinois Ob-Gyn Associates, S.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Southern Illinois Ob-Gyn Associates, S.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to Southern Illinois Ob-Gyn Associates, S.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Obstetrics/Gynecology (7) and Nurse Practitioner (2). Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Southern Illinois Ob-Gyn Associates, S.C. hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 14D0950863) is associated with this NPI, valid through September 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Southern Illinois Ob-Gyn Associates, S.C. was last updated on December 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Southern Illinois Ob-Gyn Associates, S.c. · NPI 1699838276
Obstetrics & Gynecology organization in Herrin, Illinois. Organization record, active in the CMS NPPES registry since December 18, 2006.
## Identity
- **NPI:** 1699838276 (Entity type: Organization)
- **Enumerated:** December 18, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Organization subpart:** No
- **Authorized official:** Heather Hudson, OFFICE MANAGER
## Practice location
- **Address:** 500 RUSHING DR, Herrin, IL 62948-3748
- **Phone:** (618) 998-8808
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 9 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Obstetrics/Gynecology (7), Nurse Practitioner (2); 5 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 6, 2022
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1699838276) · Data from the CMS NPPES public registry.