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MAINLINE HEALTH SYSTEMS INC
NPI 1316106388
Clinic/Center - Federally Qualified Health Center (FQHC) in Portland, AR

Active since June 05, 2008CLIA 04D2159486 · Waiver
233 N MAIN ST, PORTLAND, AR 71663(870) 737-2221(855) 878-5991 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Mar 23, 2026, Sep 18, 2024, Jul 17, 2024 and 3 more (6 updates tracked since 2018).

About Mainline Health Systems Inc NPPES

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

MAINLINE HEALTH SYSTEMS INC (NPI 1316106388), doing business as Portland Health Care, is a healthcare organization registered as a federally qualified health center (fqhc) in Portland, Arkansas and active in the NPI registry since June 2008. The organization holds a CLIA Waiver certificate valid through December 18, 2026 and lists Gary Allan Nichols, Ceo, as its authorized official.

NPPES Registry Identity

NPI1316106388
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameMAINLINE HEALTH SYSTEMS INC
Location Address233 N MAIN STPortland, AR 71663
Mailing Address342 Highway 425 SMonticello, AR 71655-4612 · (870) 942-3000 · Fax (870) 942-3005
Phone(870) 737-2221
Fax(855) 878-5991
Organization SubpartNo
Authorized OfficialGary Allan NicholsCeo · (870) 942-3000
Enumeration DateJune 5, 2008
Last NPPES UpdateMarch 23, 20266 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
✔ NPI 1316106388 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
233 N MAIN ST, Portland, AR 71663
Open in Google Maps ↗

Other Names 1

Doing Business AsPortland Health Care

Other Identifiers 1

Medicaid117615749AR

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 ›

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 04D2159486

Mainline Health Systems-Portland Elementary · Portland, AR
Active · expires Dec 18, 2026
CLIA Number04D2159486
Laboratory TypeSchool/Student Health Service
Certificate Effective DateDecember 19, 2024
Certificate Expiration DateDecember 18, 2026
Laboratory DirectorDr. Kerry F. Pennington
Laboratory Phone(870) 737-2221
Laboratory LocationMainline Health Systems-Portland Elementary314 Hwy 160 E, Portland, AR 71663
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 6

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

MRS. MEREDITH LEIGH HUDSON LPC
Counselor (Mental Health)
233 N MAIN ST
PORTLAND, AR 71663
Ashley County (870) 737-2221
BYRON K MONTGOMERY ANP
Nurse Practitioner
233 N MAIN ST
PORTLAND, AR 71663
Ashley County (870) 538-5414
MAINLINE HEALTH SYSTEMS, INC
Specialist
233 N MAIN ST
PORTLAND, AR 71663
Ashley County (870) 737-2221
ANNIE MARIE HAYNES LCSW
Social Worker (Clinical)
233 N MAIN ST
PORTLAND, AR 71663
Ashley County (870) 737-2221
MYRA BROOKE FLEMISTER APRN
Nurse Practitioner (Primary Care)
233 N MAIN ST
PORTLAND, AR 71663
Ashley County (870) 737-2221
ASHLEY WASSON AINSWORTH FNP-C
Nurse Practitioner (Family)
233 N MAIN ST
PORTLAND, AR 71663
Ashley County (870) 737-2221

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 1316106388. It was assigned to this organization in the NPPES registry on June 5, 2008. The provider is doing business as Portland Health Care.

Where is Mainline Health Systems Inc located?

Mainline Health Systems Inc is located at 233 N Main St, Portland, AR 71663. The listed phone number is (870) 737-2221.

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 04D2159486) is associated with this NPI, valid through December 18, 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 5 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 6 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.