Onpan Cheung, MD, MPH

Gastroenterologist in Denison, Texas · NPI 1639195746

Onpan Cheung is one of 4 gastroenterologists practicing in Denison, Texas. See all gastroenterologists in Texas. Onpan Cheung practices with Texomacare Specialty Physicians.

Registry record (NPPES)

NPI: 1639195746
Type: Type 1 · Individual
Primary taxonomy: Internal Medicine, Gastroenterology · 207RG0100X
Address on file: 5016 US Hwy 75
Denison, TX 75020-4584
(903) 416-6389
Enumerated: Jul 14, 2006
Record last updated: Aug 26, 2023
License states listed: CA, TX, VA

Medicare (CMS)

Enrollment: Medicare-enrolled in CA, TX
Gastroenterology, Internal Medicine
Revalidation due: No date set by CMS

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

5012 S US Hwy 75 Suite 105
Denison, TX 75020
(903) 416-2229

More gastroenterologists in Denison

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.