SOUTHERN ILLINOIS MEDICAL SERVICES, NFP
NPI 1750705364
Clinic/Center - Rural Health in Harrisburg, IL

Q: What is Southern Illinois Medical Services, Nfp's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rural Health, with taxonomy code 261QR1300X.

Active since February 18, 2014

117 E CLARK ST, HARRISBURG, IL 62946(618) 252-8625(618) 351-4859 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 13, 2026, Jan 7, 2025 (2 updates tracked since 2025).

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About Southern Illinois Medical Services, Nfp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SOUTHERN ILLINOIS MEDICAL SERVICES, NFP (NPI 1750705364), doing business as Primary Care Group, is a healthcare organization registered as a rural health in Harrisburg, Illinois and active in the NPI registry since February 2014. The organization lists Warren P Ladner, Senior Vp Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1750705364

Entity TypeOrganization

Primary Taxonomy261QR1300X

Legal Business NameSOUTHERN ILLINOIS MEDICAL SERVICES, NFP

Location Address117 E CLARK STHarrisburg, IL 62946-2702

Mailing AddressPo Box 3988Carbondale, IL 62902-3988 · (618) 457-5200

Phone(618) 252-8625

Fax(618) 351-4859

Organization SubpartYesParent: Southern Illinois Hospital Services

Authorized OfficialWarren P LadnerSenior Vp Chief Financial Officer · (618) 457-5200

Enumeration DateFebruary 18, 2014

Last NPPES UpdateApril 13, 20262 updates tracked since enumeration

NPPES CertifiedApril 13, 2026

✔ NPI 1750705364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Rural HealthAmbulatory Health Care Facilities

Taxonomy Code261QR1300X

117 E CLARK ST, Harrisburg, IL 62946

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Other Names 1

Doing Business AsPrimary Care Group

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. KRYSTA ANN MITCHELL FNP-C

Nurse Practitioner

117 E CLARK ST
HARRISBURG, IL 62946

Saline County (618) 252-8625

DR. JENNIFER MARIE SCAGLIOLA D.O.

Surgery

117 E CLARK ST, SIH MEDICAL GROUP PRIMARY CARE HARRISBURG
HARRISBURG, IL 62946

Saline County (618) 252-8625

JOSEPH BAXTER DPT

Physical Therapist

117 E CLARK ST
HARRISBURG, IL 62946

Saline County (618) 294-9326

KIMBERLY ANN KESER CS-FNP

Nurse Practitioner

117 E CLARK ST
HARRISBURG, IL 62946

Saline County (618) 252-8625

BRENT M JONES MD

Family Medicine

117 E CLARK ST
HARRISBURG, IL 62946

Saline County (618) 252-8625

DIANNA QUESTELLE

Massage Therapist

117 E CLARK ST
HARRISBURG, IL 62946

Saline County (618) 252-8625

MRS. KATHERINE EMILY JONES LCSW

Social Worker (Clinical)

117 E CLARK ST
HARRISBURG, IL 62946

Saline County (618) 927-8942

TURENNE M METAYER DPM

Podiatrist (Foot & Ankle Surgery)

117 E CLARK ST
HARRISBURG, IL 62946

Saline County (618) 294-9300

Frequently 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 Medical Services, Nfp's NPI number?

The NPI number for Southern Illinois Medical Services, Nfp is 1750705364. It was assigned to this organization in the NPPES registry on February 18, 2014. The provider is doing business as Primary Care Group.

Where is Southern Illinois Medical Services, Nfp located?

Southern Illinois Medical Services, Nfp is located at 117 E Clark St, Harrisburg, IL 62946. The listed phone number is (618) 252-8625.

What is Southern Illinois Medical Services, Nfp's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rural Health, with taxonomy code 261QR1300X.

When was this NPI record last updated?

The NPPES record for Southern Illinois Medical Services, Nfp was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.