Quick answers
- Does Leon Aleksandrovich accept Medicare assignment?
- Yes. Medicare's clinician data says Leon Aleksandrovich 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 Aleksandrovich see?
- In 2024, CMS data shows 610 Original Medicare patients and 2,263 services for Leon Aleksandrovich. This counts Original Medicare only and measures volume, not quality.
- What is Leon Aleksandrovich's NPI number?
- 1962600213. 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 Aleksandrovich, 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 | 610 |
|---|---|
| Services billed to Medicare | 2,263 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Exam of visual field with extended testing (92083)397 services
- Photography of the retina (92250)317 services
- Established patient problem focused exam of visual system (92012)282 services
- Established patient complete exam of visual system (92014)278 services
- New patient complete exam of visual system (92004)152 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%
- Diabetes57%
- Arthritis48%
- Ischemic heart disease30%
- Chronic kidney disease23%
Practice locations
Addresses where Leon Aleksandrovich is enrolled with Medicare (CMS data updated October 2, 2026).
- 142 Joralemon St, Unit BlBrooklyn, NY 11201 (718) 265‑9900
- 2613 E 16th St, Fl 2Brooklyn, NY 11235 (718) 265‑9900
Group practices
Medicare enrollment lists Leon Aleksandrovich as a member of this group (CMS data updated October 2, 2026).
- Smart Medical PLLC13 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Other clinicians in Smart Medical PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962600213 |
| 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