MAINLINE HEALTH SYSTEMS INC
NPI 1326717745
Clinic/Center - Federally Qualified Health Center (FQHC) in Monticello, AR

Q: What is Mainline Health Systems Inc's NPI number?

The NPI number for Mainline Health Systems Inc is 1326717745. It was assigned to this organization in the NPPES registry on September 9, 2021. The provider is doing business as Mainline UAM Behavioral Health Clinic.

Q: 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.

Active since September 09, 2021

517 UNIVERSITY DR, SUITE 201, MONTICELLO, AR 71655(870) 224-0109(855) 926-7383 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 23, 2026, May 28, 2025, Sep 18, 2024 and 4 more (7 updates tracked since 2021).

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About Mainline Health Systems Inc NPPES

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

MAINLINE HEALTH SYSTEMS INC (NPI 1326717745), doing business as Mainline Uam Behavioral Health Clinic, is a healthcare organization registered as a federally qualified health center (fqhc) in Monticello, Arkansas and active in the NPI registry since September 2021. The organization lists Gary Allan Nichols, Ceo, as its authorized official.

NPPES Registry Identity

NPI1326717745

Entity TypeOrganization

Primary Taxonomy261QF0400X

Legal Business NameMAINLINE HEALTH SYSTEMS INC

Location Address517 UNIVERSITY DR, SUITE 201Monticello, AR 71655-0002

Mailing Address342 Highway 425 SMonticello, AR 71655-4612 · (870) 942-3000 · Fax (870) 942-3005

Phone(870) 224-0109

Fax(855) 926-7383

Organization SubpartNo

Authorized OfficialGary Allan NicholsCeo · (870) 942-3000

Enumeration DateSeptember 9, 2021

Last NPPES UpdateMarch 23, 20267 updates tracked since enumeration

NPPES CertifiedMarch 23, 2026

✔ NPI 1326717745 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

517 UNIVERSITY DR, Monticello, AR 71655

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Other Names 1

Doing Business AsMainline Uam Behavioral Health Clinic

Other Identifiers 1

Medicaid288382749AR

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 ›

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 1326717745. It was assigned to this organization in the NPPES registry on September 9, 2021. The provider is doing business as Mainline UAM Behavioral Health Clinic.

Where is Mainline Health Systems Inc located?

Mainline Health Systems Inc is located at 517 University Dr Suite 201, Monticello, AR 71655. The listed phone number is (870) 224-0109.

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.