CLIA lab

CLIA 23D0375684: Kathleen Knapp, DO PC

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

CLIA number 23D0375684 belongs to Kathleen Knapp, DO PC in Howell, MI.

Certificate for Provider-Performed Microscopy Procedures, effective March 5, 2026, expires March 4, 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 for Provider-Performed Microscopy Procedures
Certificate effective
March 5, 2026
Certificate expiration
March 4, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
September 1, 1992
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
23D0375684
Lab name
Kathleen Knapp, DO PC
Address
1320 Byron Rd, Howell, MI 48843
Phone
(517) 548-9200
Fax
(517) 548-2689

Annual test volume the lab reported

Waived tests
770
Provider-performed microscopy tests
391
Total
1,161

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 Kathleen Knapp, DO PC in Howell?

23D0375684, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Kathleen Knapp, DO PC hold?

A Certificate for Provider-Performed Microscopy Procedures, according to the CMS file.

When does CLIA 23D0375684 expire?

The CMS file lists March 4, 2028 as the certificate expiration date; the certificate took effect March 5, 2026.

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