Quick answers
- Does Julio C. Perez-Downes accept Medicare assignment?
- Yes. Medicare's clinician data says Julio C. Perez-Downes 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 Julio C. Perez-Downes see?
- In 2024, CMS data shows 1,435 Original Medicare patients and 2,871 services for Julio C. Perez-Downes. This counts Original Medicare only and measures volume, not quality.
- What is Julio C. Perez-Downes's NPI number?
- 1194110320. 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 Julio C. Perez-Downes, 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 | 1,435 |
|---|---|
| Services billed to Medicare | 2,871 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)817 services
- Injection, regadenoson, 0.1 mg (J2785)388 services
- Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)207 services
- Ultrasound of heart blood flow, valves and chambers, follow-up (93321)204 services
- Ultrasound of heart, follow-up (93308)156 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%
- Ischemic heart disease56%
- Arthritis50%
- Heart failure44%
- Atrial fibrillation42%
Hospitals where Julio C. Perez-Downes works
Medicare's Facility Affiliation Data lists Julio C. Perez-Downes 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.
- Mayo ClinicJacksonville, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100151
Practice locations
Addresses where Julio C. Perez-Downes is enrolled with Medicare (CMS data updated October 2, 2026).
- 4500 San Pablo Rd SJacksonville, FL 32224 (904) 953‑2000
Group practices
Medicare enrollment lists Julio C. Perez-Downes as a member of this group (CMS data updated October 2, 2026).
- Mayo Clinic Jacksonville1,615 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Florida →
Other cardiologists in Jacksonville
Clinicians with the same Medicare primary specialty in Jacksonville, FL — not a recommendation.
Other clinicians in Mayo Clinic Jacksonville
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Bradenton |
| Graduation year | 2015 (11 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) | 1194110320 |
| 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