MAINLINE HEALTH SYSTEMS INC
NPI 1447994686
Clinic/Center - Federally Qualified Health Center (FQHC) in Sheridan, AR

Active since April 25, 2022
512 W CHURCH ST STE A, SHERIDAN, AR 72150(870) 942-3323(870) 942-3005 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 23, 2026, May 15, 2025, Oct 1, 2024 and 3 more (6 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 1447994686), doing business as Sheridan School, is a healthcare organization registered as a federally qualified health center (fqhc) in Sheridan, Arkansas and active in the NPI registry since April 2022. The organization lists Gary Allan Nichols, Ceo, as its authorized official.

NPPES Registry Identity

NPI1447994686
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameMAINLINE HEALTH SYSTEMS INC
Location Address512 W CHURCH ST STE ASheridan, AR 72150-2016
Mailing Address342 Highway 425 SMonticello, AR 71655-4612 · (870) 942-3000 · Fax (870) 942-3005
Fax(870) 942-3005
Organization SubpartNo
Authorized OfficialGary Allan NicholsCeo · (870) 942-3000
Enumeration DateApril 25, 2022
Last NPPES UpdateMarch 23, 20266 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
NPI 1447994686 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
512 W CHURCH ST STE A, Sheridan, AR 72150

Other Names 1

Doing Business AsSheridan School

Other Identifiers 1

Medicaid288540749AR

Accepted Insurance

Other Providers at the Same Location NPPES 2

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

Behavior Analyst
512 W CHURCH ST STE A
SHERIDAN, AR 72150
Social Worker
512 W CHURCH ST STE A
SHERIDAN, AR 72150

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 1447994686. It was assigned to this organization in the NPPES registry on April 25, 2022. The provider is doing business as Sheridan School.

Where is Mainline Health Systems Inc located?

Mainline Health Systems Inc is located at 512 W Church St Ste A, Sheridan, AR 72150. The listed phone number is (870) 942-3323.

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.

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 23, 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.