Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Tony Nan-Rung Tsen, MD

Individual provider Gastroenterology Physician · NPI 1205803442

Mr. Tony Nan-Rung Tsen, MD is a Gastroenterology in Seguin, Texas. Qualified in 1990, 36 years ago. Accepts Medicare assignment. Licensed in Texas.

Years since qualifying
36
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

911 S State Highway 123 Byp
Seguin, TX 78155-9754
Phone: (830) 372-9042
Fax: (830) 372-2391
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence J8152 (TX)

Record details

NPI number1205803442
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 7, 2006
Last updated in NPPESDecember 23, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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