CLIA lab

CLIA 05D0563115: K Greg Tommassian MD

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

CLIA number 05D0563115 belongs to K Greg Tommassian MD in Glendora, CA.

Certificate of Waiver, effective September 1, 2026, expires August 31, 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
September 1, 2026
Certificate expiration
August 31, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
May 26, 1993
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
05D0563115
Lab name
K Greg Tommassian MD
Address
415 W Alosta Ave Suite 201, Glendora, CA 91740
Phone
(626) 963-0900
Fax
(626) 963-9663

Annual test volume the lab reported

Waived tests
10

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 K Greg Tommassian MD in Glendora?

05D0563115, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does K Greg Tommassian MD hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 05D0563115 expire?

The CMS file lists August 31, 2028 as the certificate expiration date; the certificate took effect September 1, 2026.

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