Ricardo E. Aguirre, MD

Medicare activity in 2024

Official CMS public-use data for Ricardo E. Aguirre, 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. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,795 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)184 services
3. Ultrasound of hemodialysis access (93990)147 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)141 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)134 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%
• Diabetes63%
• Ischemic heart disease49%
• Heart failure49%

Hospitals where Ricardo E. Aguirre works

Medicare's Facility Affiliation Data lists Ricardo E. Aguirre 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.

• Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283

Practice locations

Addresses where Ricardo E. Aguirre is enrolled with Medicare (CMS data updated October 2, 2026).

• 4721 Dallas Ranch RdAntioch, CA 94531 (925) 676‑2600

Group practices

Medicare enrollment lists Ricardo E. Aguirre as a member of this group (CMS data updated October 2, 2026).

• East Bay Cardiovascular and Thoracic Associates Inc17 clinicians in the group

Specialties

• Vascular Surgeryprimary
• Thoracic Surgeryalso

Find other Vascular Surgery doctors in California →

Other vascular surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Jateen Prema, MD
• John P. Loftus, MD
• Abbey F. Esagoff, MD
• Gabriel Carabello, MD
• Adam I. Spivack, MD
• Roman A. Litwinski, MD
• Mohammad Jamshidi-Nezhad, DO
• David S. Kauvar, MD

All vascular surgeons in California →

Other clinicians in East Bay Cardiovascular and Thoracic Associates Inc

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

• Paul J. Wotowic, MD
• Michael B. Peterson, MD
• Jatinder S. Dhillon, MD
• Andreas Kamlot, MD
• Sumana Jothi, MD
• Niren Angle, 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