Siva Natarajan, MD

Hospitals where Siva Natarajan works

Medicare's Facility Affiliation Data lists Siva Natarajan 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.

• Corona Regional Medical CenterCorona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050329

Practice locations

Addresses where Siva Natarajan is enrolled with Medicare (CMS data updated October 2, 2026).

• 800 S Main StCorona, CA 92882 (951) 737‑4343

Group practices

Medicare enrollment lists Siva Natarajan as a member of this group (CMS data updated October 2, 2026).

• Corona Anesthesia Group Inc28 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in Corona

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

• Andrew Chen, DO
• Ada A. Hernandez, MD
• Chang-Ho L. Chon, DO
• Timothy H. Downing, MD
• Richard C. Bollin Jr., MD
• Kellie M. Morris, DO
• Tom T. Yao, MD
• Mark H. Austin, MD

All anesthesiologists in Corona →

Other clinicians in Corona Anesthesia Group Inc

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

• Telianne H. Chon, DO
• Chang-Ho L. Chon, DO
• Mark H. Austin, MD
• James S. Ahn, MD
• Miguel Amezcua, DO
• Mohammed Naji, 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