Quick answers
- Does Reza Ronaghi accept Medicare assignment?
- Yes. Medicare's clinician data says Reza Ronaghi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Reza Ronaghi see?
- In 2024, CMS data shows 421 Original Medicare patients and 1,442 services for Reza Ronaghi. This counts Original Medicare only and measures volume, not quality.
- What is Reza Ronaghi's NPI number?
- 1326305541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Reza Ronaghi, 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.
| Original Medicare patients | 421 |
|---|---|
| Services billed to Medicare | 1,442 |
| Different services or procedures | 61 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Critical care, first 30-74 minutes (99291)215 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)181 services
- Irrigation and suction of lung airways to obtain cells using an endoscope (31624)93 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)93 services
- Aspiration of initial secretion of lung airway using an endoscope (31645)73 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 cholesterol75%
- Arthritis62%
- Ischemic heart disease51%
- COPD51%
- Heart failure45%
Hospitals where Reza Ronaghi works
Medicare's Facility Affiliation Data lists Reza Ronaghi 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.
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262
- Santa Monica - UCLA Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050112
Practice locations
Addresses where Reza Ronaghi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 100 Medical PlazaLos Angeles, CA 90095
- 100 Medical Plz, Suite 310Los Angeles, CA 90095 (310) 825‑7922
- 200 Medical PlazaLos Angeles, CA 90095
- 200 Medical PlzLos Angeles, CA 90095
- 200 UCLA Medical Plz, Suite 165 34Los Angeles, CA 90095 (310) 824‑8403
Group practices
Medicare enrollment lists Reza Ronaghi as a member of this group (CMS data updated October 2, 2026).
- The Regents of the University of California1,462 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in California →
Other critical care doctors in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in The Regents of the University of California
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1326305541 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians