David A. Cardona Estrada, MD

Medicare activity in 2024

Official CMS public-use data for David A. Cardona Estrada, 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 moderate level of decision making, if using time, 30 minutes or more (99214)76 services
2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)49 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)42 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)30 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)28 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%
• Diabetes62%
• Ischemic heart disease41%
• Chronic kidney disease41%
• Arthritis30%

Hospitals where David A. Cardona Estrada works

Medicare's Facility Affiliation Data lists David A. Cardona Estrada 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.

• Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
• University Health SystemSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450213

Practice locations

Addresses where David A. Cardona Estrada is enrolled with Medicare (CMS data updated October 2, 2026).

• 701 S Zarzamora StSan Antonio, TX 78207 (210) 358‑7000

Group practices

Medicare enrollment lists David A. Cardona Estrada as a member of this group (CMS data updated October 2, 2026).

• Community Medicine Associates605 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in San Antonio

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

• Philip D. Zinn, MD
• James J. Galizia, MD
• Jose A. Diaz, MD
• Margarita Ontiveros, MD
• David L. Briseno, MD
• Erika Jones, MD
• Oscar Rivera, MD
• Mauro Ortiz, MD

All cardiologists in San Antonio →

Other clinicians in Community Medicine Associates

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

• Brian T. Shaffer Ii, DO
• Kristen N. Villarreal, NP
• Reginald Reid, CNA
• Elliana Kae V. Yap, MD
• Phillip J. Ross, MD
• Brooklyn L. Varella, 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