CLIA lab
CLIA 05D2315838: Gastroenterology Specialists Medical Group
Castro Valley, CA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 05D2315838 belongs to Gastroenterology Specialists Medical Group in Castro Valley, CA.
Certificate of Compliance, effective November 20, 2025, expires November 19, 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 Compliance
- Certificate effective
- November 20, 2025
- Certificate expiration
- November 19, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- December 19, 2024
- 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
- 05D2315838
- Lab name
- Gastroenterology Specialists Medical Group
- Address
- 19845 Lake Chabot Ste 104, Castro Valley, CA 94546
- Phone
- (617) 794-8967
Annual test volume the lab reported
- Other nonwaived tests
- 4,000
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 Gastroenterology Specialists Medical Group in Castro Valley?
05D2315838, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Gastroenterology Specialists Medical Group hold?
A Certificate of Compliance, according to the CMS file.
When does CLIA 05D2315838 expire?
The CMS file lists November 19, 2027 as the certificate expiration date; the certificate took effect November 20, 2025.