Quick answers
- Does Leigh C. Reardon accept Medicare assignment?
- Yes. Medicare's clinician data says Leigh C. Reardon 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 Leigh C. Reardon see?
- In 2024, CMS data shows 80 Original Medicare patients and 463 services for Leigh C. Reardon. This counts Original Medicare only and measures volume, not quality.
- What is Leigh C. Reardon's NPI number?
- 1649200817. 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 Leigh C. Reardon, 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 | 80 |
|---|---|
| Services billed to Medicare | 463 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 55 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)80 services
- Ultrasound of heart blood flow, valves and chambers (93320)79 services
- Ultrasound of heart for congenital defect (93303)75 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)75 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)61 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 pressure50%
- Heart failure50%
- High cholesterol49%
- Atrial fibrillation39%
- Arthritis30%
- Chronic kidney disease30%
Hospitals where Leigh C. Reardon works
Medicare's Facility Affiliation Data lists Leigh C. Reardon 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 Leigh C. Reardon is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; 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 Leigh C. Reardon 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 Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists 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 | 2004 (22 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) | 1649200817 |
| 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