Ernesto R. Lopez Castillo, MD

Hospitals where Ernesto R. Lopez Castillo works

Medicare's Facility Affiliation Data lists Ernesto R. Lopez Castillo 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.

• Uch-Memorial Health SystemColorado Springs, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060022
• University of Colorado Hospital AuthorityAurora, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060024

Practice locations

Addresses where Ernesto R. Lopez Castillo is enrolled with Medicare (CMS data updated October 2, 2026).

• PO Box, Suite 670747Marietta, GA 30066

Specialties

• Rheumatologyprimary

Find other Rheumatology doctors in Georgia →

Other rheumatologists in Marietta

Clinicians with the same Medicare primary specialty in Marietta, GA — not a recommendation.

• Xena A. Whittier, MD
• Roel Querubin, MD
• Yael S. Ross, MD
• Gloria Singleton Gaston, MD
• Ritesh Kohli, MD
• Javeria Bhawal, MD

All rheumatologists in Marietta →

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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians