Allyson R. Parker, MD

Hospitals where Allyson R. Parker works

Medicare's Facility Affiliation Data lists Allyson R. Parker 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.

• Desert Regional Medical CenterPalm Springs, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050243

Practice locations

Addresses where Allyson R. Parker is enrolled with Medicare (CMS data updated October 2, 2026).

• 4637 Chabot Dr, Suite 104Pleasanton, CA 94588

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Pleasanton

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

• Ryan C. Briggs, DO
• Mathangi Kularajan, DO
• Alan A. Ly, DO
• Leslie Gailloud, MD
• Deidre Gubac, MD
• Tian Mi, MD
• Laura Tran, MD
• Bo Qin, MD

All emergency medicine doctors in Pleasanton →

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