CLIA lab

CLIA 04D0465422: Mainline Health Systems Portland

Portland, AR. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 04D0465422 belongs to Mainline Health Systems Portland in Portland, AR.

Certificate of Accreditation, effective June 3, 2026, expires June 2, 2028.

Active in the CMS Provider of Services file posted October 16, 2026.

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Run it in Rivvi

Map your lab's test names to LOINC codes

Open in Rivvi

Free to start. Opens Rivvi, the AI workspace for healthcare teams.

Certificate

Certificate type
Certificate of Accreditation
Certificate effective
June 3, 2026
Certificate expiration
June 2, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
September 1, 1992
Facility type
Physician office
Ownership (control type)
Government, federal
Lab classification
CLIA laboratory
Accrediting organizations
COLA
Directly affiliated labs
5

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Lab and contact

CLIA number
04D0465422
Lab name
Mainline Health Systems Portland
Address
223 N Main Street, Portland, AR 71663
Phone
(870) 737-2221
Fax
(855) 878-5991

Annual test volume the lab reported

Waived tests
1,000
Tests under accreditation
1,320
Total
2,320

Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.

Affiliated CLIA numbers

Other labs in Portland, AR

Related

Questions

What is the CLIA number for Mainline Health Systems Portland in Portland?

04D0465422, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Mainline Health Systems Portland hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 04D0465422 expire?

The CMS file lists June 2, 2028 as the certificate expiration date; the certificate took effect June 3, 2026.

Try it on your own data today.

Free to start. Most teams are using it the same day.