Quick answers
- Does David J. Kosiorek accept Medicare assignment?
- Yes. Medicare's clinician data says David J. Kosiorek 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 David J. Kosiorek see?
- In 2024, CMS data shows 630 Original Medicare patients and 11,659 services for David J. Kosiorek. This counts Original Medicare only and measures volume, not quality.
- What is David J. Kosiorek's NPI number?
- 1083604144. 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 David J. Kosiorek, 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 | 630 |
|---|---|
| Services billed to Medicare | 11,659 |
| Different services or procedures | 82 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Biopsy of related skin growth, each additional growth (11103)3,296 services
- Biopsy of related skin growth, first growth (11102)1,733 services
- Destruction of precancer skin growth, 2-14 growths (17003)1,363 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)838 services
- Destruction of precancer skin growth, 1 growth (17000)811 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%
- Arthritis50%
- Ischemic heart disease44%
- Anxiety36%
- Chronic kidney disease34%
Practice locations
Addresses where David J. Kosiorek is enrolled with Medicare (CMS data updated October 2, 2026).
- 2750 SE 17th StOcala, FL 34471 (352) 830‑1500
- 781 Hwy 466Lady Lake, FL 32159 (352) 830‑1500
Group practices
Medicare enrollment lists David J. Kosiorek as a member of this group (CMS data updated October 2, 2026).
- Lumen Dermatology LLC2 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ocala
Clinicians with the same Medicare primary specialty in Ocala, FL — not a recommendation.
Other clinicians in Lumen Dermatology LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083604144 |
| 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
- 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