CLIA lab

CLIA 26D2335792: Mark Twain Behavioral Health

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

CLIA number 26D2335792 belongs to Mark Twain Behavioral Health in Hannibal, MO.

Certificate of Waiver, effective December 17, 2025, expires December 16, 2027.

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

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Certificate

Certificate type
Certificate of Waiver
Certificate effective
December 17, 2025
Certificate expiration
December 16, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
December 17, 2025
Facility type
Other
Ownership (control type)
Other
Lab classification
CLIA laboratory

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

Lab and contact

CLIA number
26D2335792
Lab name
Mark Twain Behavioral Health
Address
146 Communications Drive, Hannibal, MO 63401
Phone
(573) 248-1196
Fax
(573) 248-1259

Annual test volume the lab reported

Waived tests
300

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

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Questions

What is the CLIA number for Mark Twain Behavioral Health in Hannibal?

26D2335792, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Mark Twain Behavioral Health hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 26D2335792 expire?

The CMS file lists December 16, 2027 as the certificate expiration date; the certificate took effect December 17, 2025.

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