Quick answers
- Does Leonardo A. Orejarena accept Medicare assignment?
- Yes. Medicare's clinician data says Leonardo A. Orejarena 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 Leonardo A. Orejarena see?
- In 2024, CMS data shows 1,348 Original Medicare patients and 3,154 services for Leonardo A. Orejarena. This counts Original Medicare only and measures volume, not quality.
- What is Leonardo A. Orejarena's NPI number?
- 1932153376. 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 Leonardo A. Orejarena, 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 | 1,348 |
|---|---|
| Services billed to Medicare | 3,154 |
| Different services or procedures | 80 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,078 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)440 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)263 services
- Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)197 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)171 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%
- Arthritis59%
- Ischemic heart disease58%
- Chronic kidney disease40%
- Diabetes39%
Hospitals where Leonardo A. Orejarena works
Medicare's Facility Affiliation Data lists Leonardo A. Orejarena 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.
- Ochsner Medical Center - Baton RougeBaton Rouge, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190202
- Ochsner Medical Center AcuteNew Orleans, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190036
- Slidell Memorial HospitalSlidell, LA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 190040
- St Tammany Parish HospitalCovington, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190045
Practice locations
Addresses where Leonardo A. Orejarena is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1000 Ochsner BlvdCovington, LA 70433 (985) 875‑2828
- 104 Acadia Park DrRaceland, LA 70394 (985) 537‑3211
- 1514 Jefferson HwyNew Orleans, LA 70121 (504) 842‑3000
- 1516 Jefferson HwyNew Orleans, LA 70121 (504) 842‑3470
- 16777 Medical Ctr DrBaton Rouge, LA 70816 (225) 754‑3278
Group practices
Medicare enrollment lists Leonardo A. Orejarena as a member of this group (CMS data updated October 2, 2026).
- Ochsner Clinic LLC2,864 clinicians in the group
Specialties
Other interventional cardiologists in Covington
Clinicians with the same Medicare primary specialty in Covington, LA — not a recommendation.
Other clinicians in Ochsner Clinic LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932153376 |
| 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