Andres R. Brenes Bastos, MD

Medicare activity in 2024

Official CMS public-use data for Andres R. Brenes Bastos, 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. Insertion of artery tube for blood sampling or infusion through skin (36620)29 services
2. Anesthesia for other procedure on brain (00210)21 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%
• Arthritis56%
• Anxiety40%
• Diabetes36%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)34%

Hospitals where Andres R. Brenes Bastos works

Medicare's Facility Affiliation Data lists Andres R. Brenes Bastos 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.

• Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070022

Practice locations

Addresses where Andres R. Brenes Bastos is enrolled with Medicare (CMS data updated October 2, 2026).

• 20 York StNew Haven, CT 06510 (203) 688‑2433

Group practices

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

• Yale University2,645 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Connecticut →

Other anesthesiologists in New Haven

Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.

• Jodi D. Sherman, MD
• Taylor Mann, MD
• Jill E. Zafar, MD
• Laura K. Rein, MD
• Alejandro Hernandez Rodriguez, MD
• Janna D. Helfrich, MD
• Aymen A. Alian, MD
• Jeremy A. Dennis, MD

All anesthesiologists in New Haven →

Other clinicians in Yale University

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

• Swami N. Rajaram, MD
• Neil W. Tishkoff, MD
• Dhanpat Jain, MD
• Rabin Dahal, MD
• Benjamin Y. Lu, MD
• Jodi D. Sherman, 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