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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: November 01, 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
Phone(870) 942-3323
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
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Other Names 1

Doing Business AsSheridan School

Other Identifiers 1

Medicaid288540749AR

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mainline Health Systems Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

63

Medicare enrollment records show 63 clinicians reassign Medicare billing to Mainline Health Systems Inc, which bills Medicare for the services they deliver. Of these, 9 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Nurse Practitioner36
Family Practice9
Clinical Social Worker8
Mental Health Counselor3
Dentist2
Obstetrics/Gynecology2
Registered Dietitian or Nutrition Professional2
Internal Medicine1

Nearest to this location (20)

See all 63
Blayne Beene, DO
Family Practice
NPI 1528552130
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 942-3000
✔ PECOS✔ Accepts Medicare1.1 mi
Kira Gray, APRN
Nurse Practitioner
NPI 1043109432
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 942-3000
✔ PECOS✔ Accepts Medicare1.1 mi
Brittney Hensley, CNP
Nurse Practitioner
NPI 1912445628
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 942-3000
✔ PECOS✔ Accepts Medicare1.1 mi
Laura Hensley, APRN
Nurse Practitioner
NPI 1063958940
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 942-3000
✔ PECOS✔ Accepts Medicare1.1 mi
Mollye Koonce, APRN, FNP-C
Nurse Practitioner
NPI 1497271456
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 942-3000
✔ PECOS✔ Accepts Medicare1.1 mi
Kelli Mctigrit, LCSW
Clinical Social Worker
NPI 1093075079
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 942-3000
✔ PECOS✔ Accepts Medicare1.1 mi
John Mitchell, MD
Family Practice
NPI 1932840782
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 942-3000
✔ PECOS✔ Accepts Medicare1.1 mi
Amber Webb, APRN
Nurse Practitioner
NPI 1962980268
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 917-7827
✔ PECOS✔ Accepts Medicare1.1 mi
Bridget Williams, APRN
Nurse Practitioner
NPI 1376134668
506 LITTLE CREEK CUT OFF RD
Sheridan, AR 72150
(870) 942-3000
✔ PECOS✔ Accepts Medicare1.1 mi
Meredith Allison, ANP
Nurse Practitioner
NPI 1619275070
4010 S MULBERRY ST
Pine Bluff, AR 71603
(870) 541-6008
✔ PECOS24 mi
Debbie Clark, LPC
Mental Health Counselor
NPI 1669056305
1205 E DIXON RD
Little Rock, AR 72206
(501) 234-2020
✔ PECOS27 mi
Kimberly Golden, M.D.
Family Practice
NPI 1003038167
505 SYCAMORE STREET
Rison, AR 71665
(870) 325-6255
✔ PECOS✔ Accepts Medicare27 mi
Forrest Woods, MD
Internal Medicine
NPI 1174107916
4301 W MARKHAM ST # 634
Little Rock, AR 72205
(501) 686-5162
✔ PECOS✔ Accepts Medicare31 mi
Cristi Mitchell
Registered Dietitian or Nutrition Professional
NPI 1114390143
124 N SPRUCE ST
Little Rock, AR 72205
(870) 253-6299
31 mi
Amanda Kelley
Clinical Social Worker
NPI 1023587524
110 N DREW ST
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare41 mi
Mallori Levengood
Nurse Practitioner
NPI 1871185066
110 N DREW ST
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare41 mi
April Mcghee, APRN
Nurse Practitioner
NPI 1316501901
110 N DREW ST
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare41 mi
Paul Whipple, DO
Family Practice
NPI 1447335708
110 N DREW ST
Star City, AR 71667
(870) 628-5391
✔ PECOS✔ Accepts Medicare41 mi
Skylar Garner, DDS
Dentist
NPI 1225568363
557 KIRKWOOD RD
Star City, AR 71667
(870) 628-5110
✔ PECOS42 mi
Leia O'fallon, ANP
Obstetrics/Gynecology
NPI 1477269306
535 JORDAN DR
Monticello, AR 71655
(870) 367-6246
✔ PECOS✔ Accepts Medicare59 mi
See all 63 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Is Mainline Health Systems Inc enrolled in Medicare?

Yes. Mainline Health Systems Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mainline Health Systems Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 63 clinicians in 8 Medicare specialties reassign their Medicare billing to Mainline Health Systems Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (36), Family Practice (9) and Clinical Social Worker (8). Of these, 9 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mainline Health Systems Inc accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer 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 7 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.