Allen R. Tsiyer, MD

Hospitals where Allen R. Tsiyer works

Medicare's Facility Affiliation Data lists Allen R. Tsiyer 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.

• Kaiser Foundation Hospital - Panorama CityPanorama City, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050137
• Palmdale Regional Medical CenterPalmdale, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050204

Practice locations

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

• 13652 Cantara StPanorama City, CA 91402 (818) 375‑2000
• 38600 Medical Ctr DrPalmdale, CA 93551 (951) 696‑6000

Group practices

Medicare enrollment lists Allen R. Tsiyer as a member of these groups (CMS data updated October 2, 2026).

• Southern California Permanente Medical Group11,293 clinicians in the group
• Acute Care Associates of California PC55 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Panorama City

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

• Kwang T. Tung, MD
• Leila Mahdavian, MD
• Pravin R. Date, MD
• Vidya Narayan, MD
• Jin Y. Jeon, MD
• Sumati Bavisetty, MD
• Tun K. Oo, MD
• Jonathan L. Scott, MD

All internal medicine doctors in Panorama City →

Other clinicians in Southern California Permanente Medical Group

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

• Roya Lewis, MD
• Diego D. Garcia, MD
• Richard T. Chen, MD
• Vikrum A. Thimmappa, MD
• William T. Tseng, MD
• Jaspreet S. Suri, 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