Quick answers
- Does Leon A. Yasay Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Leon A. Yasay Jr. 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 Leon A. Yasay Jr. see?
- In 2024, CMS data shows 579 Original Medicare patients and 3,778 services for Leon A. Yasay Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Leon A. Yasay Jr.'s NPI number?
- 1295719250. 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 Leon A. Yasay Jr., 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 | 579 |
|---|---|
| Services billed to Medicare | 3,778 |
| Different services or procedures | 66 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,288 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)804 services
- Advance care planning, first 30 minutes (99497)335 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)329 services
- Annual depression screening, 5 to 15 minutes (G0444)316 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%
- Arthritis47%
- Diabetes38%
- Chronic kidney disease34%
- Ischemic heart disease32%
Hospitals where Leon A. Yasay Jr. works
Medicare's Facility Affiliation Data lists Leon A. Yasay Jr. 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.
- Ascension St Vincent's Clay CountyMiddleburg, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100321
- Ascension St Vincent's RiversideJacksonville, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100040
- Baptist Health Medical Center - JacksonvilleJacksonville, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100088
- Ed Fraser Memorial HospitalMacclenny, FL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 100134
- HCA Florida Orange Park HospitalOrange Park, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100226
Practice locations
Addresses where Leon A. Yasay Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1065 Tamiami Trl NNokomis, FL 34275 (941) 477‑2364
- 1555 Kingsley Ave, Suite 604Orange Park, FL 32073 (904) 541‑0670
- 19531 Cochran BlvdPort Charlotte, FL 33948 (941) 255‑3535
- 2675 Winkler AveFort Myers, FL 33901
- 2675 Winkler Ave, Suite 200Fort Myers, FL 33901
Group practices
Medicare enrollment lists Leon A. Yasay Jr. as a member of this group (CMS data updated October 2, 2026).
- Millennium Physician Group LLC982 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Nokomis
Clinicians with the same Medicare primary specialty in Nokomis, FL — not a recommendation.
Other clinicians in Millennium Physician Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 1992 (34 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) | 1295719250 |
| 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