CLIA lab

CLIA 39D0993682: Willowdale Internal Medicine Associates

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

CLIA number 39D0993682 belongs to Willowdale Internal Medicine Associates in Kennett Square, PA.

Certificate of Waiver, effective November 21, 2025, expires November 20, 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
November 21, 2025
Certificate expiration
November 20, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
November 21, 2001
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
39D0993682
Lab name
Willowdale Internal Medicine Associates
Address
127 W Street Road, Suite 101, Kennett Square, PA 19348
Phone
(610) 444-1212
Fax
(610) 444-3633

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.

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Questions

What is the CLIA number for Willowdale Internal Medicine Associates in Kennett Square?

39D0993682, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Willowdale Internal Medicine Associates hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 39D0993682 expire?

The CMS file lists November 20, 2027 as the certificate expiration date; the certificate took effect November 21, 2025.

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