CLIA lab

CLIA 22D2262815: Four Rivers Charter Public School

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

CLIA number 22D2262815 belongs to Four Rivers Charter Public School in Greenfield, MA.

Certificate of Waiver, effective June 17, 2026, expires June 16, 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 Waiver
Certificate effective
June 17, 2026
Certificate expiration
June 16, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
June 17, 2022
Facility type
School or student health service
Ownership (control type)
Government, state
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
22D2262815
Lab name
Four Rivers Charter Public School
Address
248 Colrain Rd, Greenfield, MA 01301
Phone
(413) 775-4577
Fax
(413) 829-5276

Annual test volume the lab reported

Waived tests
200

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

Other labs in Greenfield, MA

Related

Questions

What is the CLIA number for Four Rivers Charter Public School in Greenfield?

22D2262815, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Four Rivers Charter Public School hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 22D2262815 expire?

The CMS file lists June 16, 2028 as the certificate expiration date; the certificate took effect June 17, 2026.

Try it on your own data today.

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