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MAINLINE HEALTH SYSTEMS, INC
NPI 1578283693
Clinic/Center - Federally Qualified Health Center (FQHC) in Little Rock, AR

Active since August 30, 2022CLIA 04D2266591 · Waiver
5205 W SAWMILL RD, LITTLE ROCK, AR 72206(870) 942-7927(870) 942-3005 Get Directions Write a Review

NPPES record last updated: March 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 20, 2026, May 15, 2025, Oct 1, 2024 and 2 more (5 updates tracked since 2022).

About Mainline Health Systems, Inc NPPES

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

MAINLINE HEALTH SYSTEMS, INC (NPI 1578283693), doing business as Sheridan East End, is a healthcare organization registered as a federally qualified health center (fqhc) in Little Rock, Arkansas and active in the NPI registry since August 2022. The organization holds a CLIA Waiver certificate valid through August 11, 2026 and lists Gary Allan Nichols, Ceo, as its authorized official.

NPPES Registry Identity

NPI1578283693
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameMAINLINE HEALTH SYSTEMS, INC
Location Address5205 W SAWMILL RDLittle Rock, AR 72206-9063
Mailing Address342 Highway 425 SMonticello, AR 71655-4612 · (870) 942-3000 · Fax (870) 942-3005
Phone(870) 942-7927
Fax(870) 942-3005
Organization SubpartNo
Authorized OfficialGary Allan NicholsCeo · (870) 942-3000
Enumeration DateAugust 30, 2022
Last NPPES UpdateMarch 20, 20265 updates tracked since enumeration
NPPES CertifiedMarch 20, 2026
✔ NPI 1578283693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
Taxonomy Code261QF0400X
5205 W SAWMILL RD, Little Rock, AR 72206
Open in Google Maps ↗

Other Names 1

Doing Business AsSheridan East End

Other Identifiers 1

Medicaid301057749AR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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 of Waiver 04D2266591

Mainline Health Systems Inc East End Intermediate School Health Center · Little Rock, AR
Active · expires Aug 11, 2026
CLIA Number04D2266591
Laboratory TypeSchool/Student Health Service
Certificate Effective DateAugust 12, 2024
Certificate Expiration DateAugust 11, 2026
Laboratory DirectorKerry Pennington
Laboratory Phone(870) 942-7927
Laboratory LocationMainline Health Systems Inc East End Intermediate School Health Center5205 West Sawmill, Little Rock, AR 72206
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

KAREN DIANE STEPHENS
Registered Nurse
5205 W SAWMILL RD
LITTLE ROCK, AR 72206
Pulaski County (501) 650-2396

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 Mainline Health Systems, Inc's NPI number?

The NPI number for Mainline Health Systems, Inc is 1578283693. It was assigned to this organization in the NPPES registry on August 30, 2022. The provider is doing business as Sheridan East End.

Where is Mainline Health Systems, Inc located?

Mainline Health Systems, Inc is located at 5205 W Sawmill Rd, Little Rock, AR 72206. The listed phone number is (870) 942-7927.

What is Mainline Health Systems, Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Does Mainline Health Systems, Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 04D2266591) is associated with this NPI, valid through August 11, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Mainline Health Systems, Inc accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and Ambetter from Superior HealthPlan and 2 other insurers list Mainline Health Systems, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mainline Health Systems, Inc was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.