CLIA lab

CLIA 39D0948095: Penn Medicine Westtown

West Chester, PA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 39D0948095 belongs to Penn Medicine Westtown in West Chester, PA.

Certificate of Waiver, effective July 1, 2026, expires June 30, 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 Waiver
Certificate effective
July 1, 2026
Certificate expiration
June 30, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
July 1, 1998
Facility type
Physician office
Ownership (control type)
Private
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
39D0948095
Lab name
Penn Medicine Westtown
Address
210 Willowbrook Lane, West Chester, PA 19382
Phone
(610) 696-8900
Fax
(610) 696-3890

Annual test volume the lab reported

Waived tests
2,000

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

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Related

Questions

What is the CLIA number for Penn Medicine Westtown in West Chester?

39D0948095, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Penn Medicine Westtown hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 39D0948095 expire?

The CMS file lists June 30, 2028 as the certificate expiration date; the certificate took effect July 1, 2026.

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