Xunxi S. Guo, MD

Medicare activity in 2024

Official CMS public-use data for Xunxi S. Guo, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)398 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)192 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)140 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)131 services
5. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)108 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%
• Chronic kidney disease75%
• Diabetes61%
• Heart failure59%
• Ischemic heart disease52%

Hospitals where Xunxi S. Guo works

Medicare's Facility Affiliation Data lists Xunxi S. Guo 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.

• Baylor Scott & White Heart & Vascular Hospital - DallasDallas, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450851
• Baylor University Medical CenterDallas, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450021

Practice locations

Addresses where Xunxi S. Guo is enrolled with Medicare (CMS data updated October 2, 2026).

• 411 N Washington Ave, Suite 7000Dallas, TX 75246 (214) 358‑2300

Group practices

Medicare enrollment lists Xunxi S. Guo as a member of this group (CMS data updated October 2, 2026).

• Dallas Nephrology Associates157 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in Texas →

Other nephrologists in Dallas

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

• Oyintayo Ajiboye, MD
• Taryn J. Turner, DO
• Sarah C. Huen, MD
• Ammar A. Haque, MD
• Kim M. Rice, MD
• Joris Schuller, MD
• Cristina M. Arce, MD
• Gates B. Colbert, MD

All nephrologists in Dallas →

Other clinicians in Dallas Nephrology Associates

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

• Hector M. Reyes, MD
• Ali M. Zebi, MD
• Amy E. Brooks
• Onyero J. Osemiha, NP
• Tapan J. Patel, MD
• Lina S. Alatta, 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