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MAINLINE HEALTH SYSTEMS, INC
NPI 1477004471
Clinic/Center - Federally Qualified Health Center (FQHC) in Dermott, AR

Active since October 14, 2016
525 E SPEEDWAY ST, DERMOTT, AR 71638(870) 277-2658(855) 811-4203 Get Directions Write a Review

NPPES record last updated: March 20, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 20, 2026, May 15, 2025, Sep 18, 2024 and 3 more (6 updates tracked since 2016).

About Mainline Health Systems, Inc NPPES

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

MAINLINE HEALTH SYSTEMS, INC (NPI 1477004471), doing business as Dermott School Clinic, is a healthcare organization registered as a federally qualified health center (fqhc) in Dermott, Arkansas and active in the NPI registry since October 2016. The organization lists Gary Allan Nichols, Ceo, as its authorized official.

NPPES Registry Identity

NPI1477004471
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameMAINLINE HEALTH SYSTEMS, INC
Location Address525 E SPEEDWAY STDermott, AR 71638-2322
Mailing Address342 Highway 425 SMonticello, AR 71655-4612 · (870) 942-3000 · Fax (870) 942-3005
Phone(870) 277-2658
Fax(855) 811-4203
Organization SubpartNo
Authorized OfficialGary Allan NicholsCeo · (870) 942-3000
Enumeration DateOctober 14, 2016
Last NPPES UpdateMarch 20, 20266 updates tracked since enumeration
NPPES CertifiedMarch 20, 2026
✔ NPI 1477004471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
Taxonomy Code261QF0400X
Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X
525 E SPEEDWAY ST, Dermott, AR 71638
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Other Names 1

Doing Business AsDermott School Clinic

Other Identifiers 1

Medicaid217430749AR

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 ›

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.

MAINLINE HEALTH SYSTEMS, INC
Clinic/Center (Federally Qualified Health Center (FQHC))
525 E SPEEDWAY ST
DERMOTT, AR 71638
Chicot County (870) 277-2658
CIANII SMITH
Nurse Practitioner
525 E SPEEDWAY ST
DERMOTT, AR 71638
Chicot County (870) 538-1000

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 1477004471. It was assigned to this organization in the NPPES registry on October 14, 2016. The provider is doing business as Dermott School Clinic.

Where is Mainline Health Systems, Inc located?

Mainline Health Systems, Inc is located at 525 E Speedway St, Dermott, AR 71638. The listed phone number is (870) 277-2658.

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 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.