CLIA lab

CLIA 45D0979144: DR Tony Tsen

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

CLIA number 45D0979144 belongs to DR Tony Tsen in Seguin, TX.

Certificate of Waiver, effective September 13, 2026, expires September 12, 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 13, 2026
Certificate expiration
September 12, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
October 16, 2000
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
45D0979144
Lab name
DR Tony Tsen
Additional name
Southwest Gastroenterology PA
Address
911 S State Hwy 123 Bypass, Seguin, TX 78155
Phone
(830) 372-9042
Fax
(830) 372-2391

Other labs in Seguin, TX

Related

Questions

What is the CLIA number for DR Tony Tsen in Seguin?

45D0979144, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does DR Tony Tsen hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 45D0979144 expire?

The CMS file lists September 12, 2028 as the certificate expiration date; the certificate took effect September 13, 2026.

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