Jason T. Chiriano, DO

Medicare activity in 2024

Official CMS public-use data for Jason T. Chiriano, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol74%
• Ischemic heart disease70%
• Chronic kidney disease70%
• Heart failure70%
• Diabetes65%

Hospitals where Jason T. Chiriano works

Medicare's Facility Affiliation Data lists Jason T. Chiriano 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.

• Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603
• Redlands Community HospitalRedlands, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050272
• St Bernardine Medical CenterSan Bernardino, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050129

Practice locations

Addresses where Jason T. Chiriano is enrolled with Medicare (CMS data updated October 2, 2026).

• 401 E Highland Ave, Suite 351San Bernardino, CA 92404 (909) 475‑8611
• 7365 Carnelian St, Suite 237Rancho Cucamonga, CA 91730 (909) 789‑1190
• 9041 Magnolia Ave, Suite 202Riverside, CA 92503 (951) 352‑5643

Group practices

Medicare enrollment lists Jason T. Chiriano as a member of these groups (CMS data updated October 2, 2026).

• Western Bariatric a Medical Corporation12 clinicians in the group
• Western Vascular a Medical Corporation3 clinicians in the group

Specialties

• Vascular Surgeryprimary
• Medical Oncologyalso

Find other Vascular Surgery doctors in California →

Other vascular surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Phong T. Dargon, MD
• Omar Z. Tahir, MD
• Nayan Sivamurthy, MD
• Benjamin J. Dipardo, MD
• Pushpinder S. Sivia, MD
• Jateen Prema, MD
• Randall G. Stern, MD
• Samuel L. Chen, MD

All vascular surgeons in California →

Other clinicians in Western Bariatric a Medical Corporation

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

• Phong T. Dargon, MD
• Kyndall R. Taylor, PA
• Kylie N. Coppi, NP
• Iliya Goldberg, MD
• Brooke L. Reynolds, PA
• Rick A. Nevarez, PA

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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians