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

Individual provider Diagnostic Radiology Physician · NPI 1790057107

Dr. Giok Twan Tjoa, MD is a Diagnostic Radiology Physician in McAllen, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2012
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

201 E Duke Ave
McAllen, TX 78504-5663
Phone: (956) 618-0039
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence D 8464 (TX)

Record details

NPI number1790057107
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 31, 2012
Last updated in NPPESJanuary 31, 2012

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