Rong R. Guo, MD

Medicare activity in 2024

Official CMS public-use data for Rong R. 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. Injection, denosumab, 1 mg (J0897)960 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)371 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)363 services
4. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)116 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)76 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%
• Arthritis53%
• Diabetes45%
• Chronic kidney disease37%
• Osteoporosis31%

Hospitals where Rong R. Guo works

Medicare's Facility Affiliation Data lists Rong R. 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.

• Banner Thunderbird Medical CenterGlendale, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 030089

Practice locations

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

• 4375 E Irma LnPhoenix, AZ 85050 (480) 890‑5800

Group practices

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

• Banner Physician Specialists Arizona LLC373 clinicians in the group

Specialties

• Endocrinologyprimary
• Internal Medicinealso

Find other Endocrinology doctors in Arizona →

Other endocrinologists in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

• Christian E. Nasr, MD
• Meenu Jain, MD
• Amanda M. Campos, MD
• Srividya Ariyan, MD
• Aleksandra E. Schriber, MD
• Marina V. Rudin, MD
• Robert F. Gonsalves Iii, DO
• Meera Menon, MD

All endocrinologists in Phoenix →

Other clinicians in Banner Physician Specialists Arizona LLC

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

• Craig M. Tambatamba, PA
• Meliza H. Salandanan, NP
• William Schlicklin, NP
• Brynne A. Livingston, PA
• Heidi G. Grodman, PA
• Gautamy Chitiki Dhadham, 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