Alexander N. Diaz, MD

Hospitals where Alexander N. Diaz works

Medicare's Facility Affiliation Data lists Alexander N. Diaz 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.

• Harborview Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500064
• University of Washington Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500008

Practice locations

Addresses where Alexander N. Diaz is enrolled with Medicare (CMS data updated October 2, 2026).

• 1959 NE Pacific StSeattle, WA 98195 (206) 598‑4333

Group practices

Medicare enrollment lists Alexander N. Diaz as a member of this group (CMS data updated October 2, 2026).

• The Association of University Physicians3,535 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Washington →

Other radiologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

• Habibollah Rahbar, MD
• Ross P. Hartling, MD
• Anne Marie McLellan, DO
• Robert A. Lloyd, DO
• Mark W. Elliott, MD
• Bahar Mansoori, MD
• Dhawal A. Goradia, MD
• Linda E. Chen, MD

All radiologists in Seattle →

Other clinicians in The Association of University Physicians

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

• Nadezhda Kholodnaya, MD
• Meredith P. Sheedy, MD
• Russell K. Dorer, MD
• Pamela J. Dekeyser, NP
• Michael A. Chen, MD
• Angela Y. Zhang, 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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians