Quick answers
- Does Javier F. Aduen accept Medicare assignment?
- Yes. Medicare's clinician data says Javier F. Aduen 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 Javier F. Aduen see?
- In 2024, CMS data shows 1,234 Original Medicare patients and 4,872 services for Javier F. Aduen. This counts Original Medicare only and measures volume, not quality.
- What is Javier F. Aduen's NPI number?
- 1699762641. 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 Javier F. Aduen, 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 | 1,234 |
|---|---|
| Services billed to Medicare | 4,872 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,084 services
- Critical care, first 30-74 minutes (99291)591 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)462 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)403 services
- Test to examine how well the lungs exchange gases (94729)307 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 disease65%
- Arthritis60%
- COPD59%
- Heart failure49%
Hospitals where Javier F. Aduen works
Medicare's Facility Affiliation Data lists Javier F. Aduen 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.
- AdventHealth Palm CoastPalm Coast, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100118
- Flagler HospitalSaint Augustine, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100090
- Shands JacksonvilleJacksonville, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100001
Practice locations
Addresses where Javier F. Aduen is enrolled with Medicare (CMS data updated October 2, 2026).
- 10435 SE 170th PlSummerfield, FL 34491
- 300 Health Park Blvd, Suite 4000St Augustine, FL 32086 (904) 824‑8666
- 400 Health Park BlvdSt Augustine, FL 32086 (904) 823‑1447
Group practices
Medicare enrollment lists Javier F. Aduen as a member of these groups (CMS data updated October 2, 2026).
- Villages Regional Hospital Physician Services LLC209 clinicians in the group
- Pulmonary Associates of St11 clinicians in the group
Specialties
- Internal Medicineprimary
- Pulmonary Diseasealso
Other internal medicine doctors in Summerfield
Clinicians with the same Medicare primary specialty in Summerfield, FL — not a recommendation.
Other clinicians in Villages Regional Hospital Physician Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 (43 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) | 1699762641 |
| 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