CLIA lab

CLIA 33D1031432: Kenneth Mark MD PC

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

CLIA number 33D1031432 belongs to Kenneth Mark MD PC in Southampton, NY.

Certificate of Compliance, effective May 22, 2026, expires May 21, 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

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Certificate

Certificate type
Certificate of Compliance
Certificate effective
May 22, 2026
Certificate expiration
May 21, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
September 30, 2004
Facility type
Physician office
Ownership (control type)
Proprietary
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
33D1031432
Lab name
Kenneth Mark MD PC
Address
425 County Road 39A, Southampton, NY 11968
Phone
(631) 283-0002
Fax
(631) 283-0292

Annual test volume the lab reported

Other nonwaived tests
385

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

Other labs in Southampton, NY

Related

Questions

What is the CLIA number for Kenneth Mark MD PC in Southampton?

33D1031432, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Kenneth Mark MD PC hold?

A Certificate of Compliance, according to the CMS file.

When does CLIA 33D1031432 expire?

The CMS file lists May 21, 2028 as the certificate expiration date; the certificate took effect May 22, 2026.

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