Sergio R. Flores, MD

Medicare activity in 2024

Official CMS public-use data for Sergio R. Flores, 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. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)211 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)174 services
3. Biopsy of large bowel using a flexible endoscope (45380)76 services
4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)73 services
5. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)55 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 cholesterol74%
• High blood pressure70%
• Arthritis41%
• Ischemic heart disease27%
• Diabetes18%
• Anxiety18%

Hospitals where Sergio R. Flores works

Medicare's Facility Affiliation Data lists Sergio R. Flores 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.

• Sharp Chula Vista Medical CenterChula Vista, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050222
• Sharp Coronado Hospital and Healthcare CenterCoronado, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050234
• Sharp Memorial HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050100

Practice locations

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

• 751 Med Ctr CtChula Vista, CA 91911 (619) 502‑5800
• 7901 Frost StSan Diego, CA 92123 (858) 939‑3400
• 8008 Frost St, Suite 200San Diego, CA 92123 (858) 292‑7527

Group practices

Medicare enrollment lists Sergio R. Flores as a member of these groups (CMS data updated October 2, 2026).

• Emergency and Acute Care Medical Corporation422 clinicians in the group
• San Diego Digestive Disease Consultants Inc a Medical Group13 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in California →

Other gastroenterologists in Chula Vista

Clinicians with the same Medicare primary specialty in Chula Vista, CA — not a recommendation.

• Gregory J. Wiener, MD
• Jose Antonio Almario, MD
• John J. Duque, MD
• Erick H. Alayo, MD
• Cainan H. Foltz, MD
• Errol R. Korn, MD
• Arthur Yan, MD
• Hyun S. Kim, MD

All gastroenterologists in Chula Vista →

Other clinicians in Emergency and Acute Care Medical Corporation

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

• Ananthram P. Reddy, MD
• Stephen T. Summers, MD
• Tania S. Stoeva, MD
• Bruno C. Claudino Ramos Flores, MD
• Shaw S. Eslamian, MD
• Stephen Y. Shen, 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