What is Mainline Health Systems Inc's NPI number?

Mainline Health Systems Inc's National Provider Identifier (NPI) is 1215700265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Mainline Health Systems Inc?

Mainline Health Systems Inc is classified in the NPPES registry as Federally Qualified Health Center (FQHC) (Ambulatory Health Care Facilities).

Where is Mainline Health Systems Inc located?

Mainline Health Systems Inc's practice location on file with NPPES is 803 N Walnut St Rm 214, Warren, AR 71671-2008.

What is Mainline Health Systems Inc's phone number?

The practice phone number listed in the NPPES registry for Mainline Health Systems Inc is (870) 226-6754.

Does Mainline Health Systems Inc accept Medicare?

Mainline Health Systems Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Who is the authorized official for Mainline Health Systems Inc?

The authorized official listed on Mainline Health Systems Inc's NPPES record is Gary Nichols, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Mainline Health Systems Inc's NPI active?

Yes — Mainline Health Systems Inc's NPI (1215700265) is active in the NPPES registry as of the last update on 2025-05-15.

OrganizationActiveAccepts Medicare

Mainline Health Systems Inc

NPI 1215700265 · Federally Qualified Health Center (FQHC) · Warren, AR

Mainline Health Systems Inc is a Federally Qualified Health Center (FQHC) organization in Warren, AR (NPI 1215700265).

Provider details

NPI number: 1215700265
Entity type: Organization
Primary specialty: Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
Organization subpart: No
Authorized official: Gary Nichols, Ceo(870) 942-3000

Practice location

803 N Walnut St Rm 214

Warren, AR 71671-2008

Phone: (870) 226-6754

Fax: (870) 226-7925

Approximate (ZIP-level) locationGet directions

More AR providers

Mailing address

Po Box 509

Dermott, AR 71638-0509

Specialties & taxonomies

Federally Qualified Health Center (FQHC)Primary261QF0400X
Ambulatory Health Care Facilities
Cognitive & Behavioral Psychologist103TB0200X
Behavioral Health & Social Service Providers

Other names (DBA / former)

Doing business as: Warren High School Behavioral Health Clinic
Doing business as: Warren High School Behavioral Health Clinic

Enrolled with Medicare as Part a Provider - Federally Qualified Health Center (fqhc) · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(58/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
3 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2023-11-01
Last updated: 2025-05-15
Certified: 2025-05-15

Frequently asked questions

What is Mainline Health Systems Inc's NPI number?: Mainline Health Systems Inc's National Provider Identifier (NPI) is 1215700265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Mainline Health Systems Inc?: Mainline Health Systems Inc is classified in the NPPES registry as Federally Qualified Health Center (FQHC) (Ambulatory Health Care Facilities).
Where is Mainline Health Systems Inc located?: Mainline Health Systems Inc's practice location on file with NPPES is 803 N Walnut St Rm 214, Warren, AR 71671-2008.
What is Mainline Health Systems Inc's phone number?: The practice phone number listed in the NPPES registry for Mainline Health Systems Inc is (870) 226-6754.
Does Mainline Health Systems Inc accept Medicare?: Mainline Health Systems Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Who is the authorized official for Mainline Health Systems Inc?: The authorized official listed on Mainline Health Systems Inc's NPPES record is Gary Nichols, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Mainline Health Systems Inc's NPI active?: Yes — Mainline Health Systems Inc's NPI (1215700265) is active in the NPPES registry as of the last update on 2025-05-15.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Other names (DBA / former)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Other names (DBA / former)

Profile Score

Frequently asked questions