CLIA lab

CLIA 33D0653627: Northern Westchester Hospital Laboratory

Mount Kisco, NY. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 33D0653627 belongs to Northern Westchester Hospital Laboratory in Mount Kisco, NY.

Certificate of Compliance, effective August 24, 2022, expires March 26, 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

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 Compliance
Certificate effective
August 24, 2022
Certificate expiration
March 26, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
December 24, 1992
Facility type
Hospital
Ownership (control type)
Private
Lab classification
CLIA exempt laboratory
Directly affiliated labs
1

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

Lab and contact

CLIA number
33D0653627
Lab name
Northern Westchester Hospital Laboratory
Address
400 East Main Street, Mount Kisco, NY 10549
Phone
(914) 666-1695
Fax
(914) 666-1699

Annual test volume the lab reported

Waived tests
52,122
Other nonwaived tests
6
Total
52,128

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

Care facility at this address

Other labs in Mount Kisco, NY

Related

Questions

What is the CLIA number for Northern Westchester Hospital Laboratory in Mount Kisco?

33D0653627, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Northern Westchester Hospital Laboratory hold?

A Certificate of Compliance, according to the CMS file.

When does CLIA 33D0653627 expire?

The CMS file lists March 26, 2027 as the certificate expiration date; the certificate took effect August 24, 2022.

Try it on your own data today.

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