Diana C. Halloran, MD

Practice locations

Addresses where Diana C. Halloran is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

• 2001 Dwight WayBerkeley, CA 94704 (510) 204‑1591
• 20101 Lake Chabot RdCastro Valley, CA 94546 (510) 886‑3400
• 20103 Lake Chabot RdCastro Valley, CA 94546 (510) 727‑3256
• 3100 Summit St, Fl 2Oakland, CA 94609 (510) 869‑8865
• 3200 Kearney StFremont, CA 94538 (510) 490‑1222

Group practices

Medicare enrollment lists Diana C. Halloran as a member of this group (CMS data updated October 2, 2026).

• Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

• Emergency Medicineprimary
• Hospice/Palliative Carealso

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Berkeley

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

• Abanoub Paul Hanna, MD
• Karen N. Carothers, MD
• Robert C. Nolan, MD
• Myles G. Fisher, DO
• Christopher Wu, MD
• Stephen D. Chin, MD
• Emily M. Sze, MD
• Robert Gorski, MD

All emergency medicine doctors in Berkeley →

Other clinicians in Sutter Bay Medical Foundation

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

• Alfred R. Petrocelli, MD
• John H. Nguyen, MD
• Kristin Welter, MD
• David A. Kurzrock, MD
• Johnny Jimenez, NP
• Wilson Lai, 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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians