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

Dr. Onpan Cheung, MD, MPH

Individual provider Gastroenterology Physician · NPI 1639195746

Dr. Onpan Cheung, MD, MPH is a Gastroenterology in Denison, Texas. Qualified in 2003, 23 years ago. Practices with Texomacare Specialty Physicians, a 37-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Texas and Virginia.

Years since qualifying
23
Licensed in
CA, TX, VA
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

5016 US Hwy 75
Denison, TX 75020-4584
Phone: (903) 416-6389
Show map & directions

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

Additional practice locations (1)

  • 375 Terracina Blvd, Redlands, CA 92373-3801 — (909) 644-4063

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence U1248 (TX)
Gastroenterology Physician Taxonomy 207RG0100X · Licence FC1954189 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101238939 (VA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence A111454 (CA)

Record details

NPI number1639195746
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorYes
NPI enumeratedJuly 14, 2006
Last updated in NPPESAugust 26, 2023
Certification dateAugust 26, 2023

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Texomacare Specialty Physicians — 37 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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