Nhat Q. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Nhat Q. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)385 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)330 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)225 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)207 services
5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)112 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis56%
• Ischemic heart disease43%
• Diabetes40%
• COPD36%

Hospitals where Nhat Q. Nguyen works

Medicare's Facility Affiliation Data lists Nhat Q. Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Texoma Medical CenterDenison, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450324

Practice locations

Addresses where Nhat Q. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

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

Group practices

Medicare enrollment lists Nhat Q. Nguyen as a member of this group (CMS data updated October 2, 2026).

• Texomacare Specialty Physicians38 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Texas →

Other gastroenterologists in Denison

Clinicians with the same Medicare primary specialty in Denison, TX — not a recommendation.

• Tung T. Tran, MD
• Onpan Cheung, MD
• Karthik Ragunathan, MD

All gastroenterologists in Denison →

Other clinicians in Texomacare Specialty Physicians

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Samantha M. Day, PA
• Tung T. Tran, MD
• Matthew Burruss, MD
• Vicky L. Chappell, MD
• Brandon J. Sumner, DO
• Robert J. Wilcott, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians