MAINLINE HEALTH SYSTEMS, INC
NPI 1437960929
Clinic/Center - Federally Qualified Health Center (FQHC) in Rison, AR

Active since January 15, 2025
700 MAIN ST, RISON, AR 71665(870) 325-6255(870) 325-6117 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mainline Health Systems, Inc NPPES

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

MAINLINE HEALTH SYSTEMS, INC (NPI 1437960929) is a healthcare organization registered as a federally qualified health center (fqhc) in Rison, Arkansas and active in the NPI registry since January 2025. The organization lists Elyse Knobloch, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1437960929
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameMAINLINE HEALTH SYSTEMS, INC
Location Address700 MAIN STRison, AR 71665-9563
Mailing Address342 Highway 425 SMonticello, AR 71655-4612 · (870) 942-3000 · Fax (870) 942-3005
Fax(870) 325-6117
Organization SubpartNo
Authorized OfficialElyse KnoblochChief Financial Officer · (870) 942-3000
Enumeration DateJanuary 15, 2025
Last NPPES UpdateMay 18, 2026
NPPES CertifiedMay 18, 2026
✔ NPI 1437960929 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 ListedClinic/Center · DentalTaxonomy 261QD0000X
700 MAIN ST, Rison, AR 71665

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation 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).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateArkansasEnrollment IDO20041011000567Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

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, 1 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
Family Practice
NPI 1003038167
505 SYCAMORE STREET
Rison, AR 71665
(870) 325-6255
✔ PECOS✔ Accepts Medicare0.2 mi
Nurse Practitioner
NPI 1619275070
4010 S MULBERRY ST
Pine Bluff, AR 71603
(870) 541-6008
✔ PECOS19 mi
Dentist
NPI 1225568363
557 KIRKWOOD RD
Star City, AR 71667
(870) 628-5110
✔ PECOS19 mi
Clinical Social Worker
NPI 1023587524
110 N DREW ST
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1871185066
110 N DREW ST
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1316501901
110 N DREW ST
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1558831644
110 N DREW ST
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1629337738
110 N DREW
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare20 mi
Family Practice
NPI 1447335708
110 N DREW ST
Star City, AR 71667
(870) 628-5391
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1386157592
110 N DREW ST
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1649012360
110 N DREW ST
Star City, AR 71667
(870) 625-5110
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1093191025
110 N DREW
Star City, AR 71667
(870) 628-5110
✔ PECOS✔ Accepts Medicare20 mi
Family Practice
NPI 1578050472
1012 E CHURCH ST STE B
Warren, AR 71671
(870) 226-6754
✔ PECOS✔ Accepts Medicare25 mi
Nurse Practitioner
NPI 1104462712
1012 E CHURCH ST STE B
Warren, AR 71671
(870) 226-6754
✔ PECOS✔ Accepts Medicare25 mi
Clinical Social Worker
NPI 1003394602
1012 E CHURCH ST STE B
Warren, AR 71671
(870) 226-6754
✔ PECOS✔ Accepts Medicare25 mi
Obstetrics/Gynecology
NPI 1477269306
535 JORDAN DR
Monticello, AR 71655
(870) 367-6246
✔ PECOS✔ Accepts Medicare32 mi
Registered Dietitian or Nutrition Professional
NPI 1457577397
535 JORDAN DR
Monticello, AR 71655
(870) 367-6246
✔ Accepts Medicare32 mi
Mental Health Counselor
NPI 1669056305
1205 E DIXON RD
Little Rock, AR 72206
(501) 234-2020
✔ PECOS50 mi
Dentist
NPI 1306960737
300 S SCHOOL ST
Dermott, AR 71638
(870) 538-9720
✔ PECOS52 mi
Internal Medicine
NPI 1174107916
4301 W MARKHAM ST # 634
Little Rock, AR 72205
(501) 686-5162
✔ PECOS✔ Accepts Medicare55 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 1437960929. It was assigned to this organization in the NPPES registry on January 15, 2025.

Where is Mainline Health Systems, Inc located?

Mainline Health Systems, Inc is located at 700 Main St, Rison, AR 71665. The listed phone number is (870) 325-6255.

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.

When is Mainline Health Systems, Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Arkansas, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

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, 1 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 May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.