CLIA lab

CLIA 05D2298440: Bass Cancer Center, A Division of Bass Medical Gro

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

CLIA number 05D2298440 belongs to Bass Cancer Center, A Division of Bass Medical Gro in Walnut Creek, CA.

Certificate of Waiver, effective February 1, 2026, expires January 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
February 1, 2026
Certificate expiration
January 31, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
February 1, 2024
Facility type
Independent
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
05D2298440
Lab name
Bass Cancer Center, A Division of Bass Medical Gro
Address
575 Lennon Lane Suite 153, Walnut Creek, CA 94598
Phone
(925) 433-8786
Fax
(925) 433-8788

Annual test volume the lab reported

Waived tests
5,700

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

Other labs in Walnut Creek, CA

Related

Questions

What is the CLIA number for Bass Cancer Center, A Division of Bass Medical Gro in Walnut Creek?

05D2298440, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Bass Cancer Center, A Division of Bass Medical Gro hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 05D2298440 expire?

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

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