Quick answers
- Does Oscar Leis accept Medicare assignment?
- Yes. Medicare's clinician data says Oscar Leis 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 Oscar Leis see?
- In 2024, CMS data shows 217 Original Medicare patients and 939 services for Oscar Leis. This counts Original Medicare only and measures volume, not quality.
- What is Oscar Leis's NPI number?
- 1598148892. 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 Oscar Leis, 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 | 217 |
|---|---|
| Services billed to Medicare | 939 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient problem focused exam of visual system (92012)205 services
- Photography of the retina (92250)194 services
- Imaging of retina (92134)181 services
- Photography of content of eyes (92285)103 services
- Established patient complete exam of visual system (92014)100 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 cholesterol74%
- High blood pressure54%
- Arthritis48%
- Ischemic heart disease26%
- Anxiety24%
- Osteoporosis23%
Practice locations
Addresses where Oscar Leis is enrolled with Medicare (CMS data updated October 2, 2026).
- 22 W 13th StNew York, NY 10011 (212) 807‑0019
Group practices
Medicare enrollment lists Oscar Leis as a member of this group (CMS data updated October 2, 2026).
- Metropolitan Vision Optometry PLLC6 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Metropolitan Vision Optometry PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | State University Of New York - State College Optometry |
| Graduation year | 2015 (11 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598148892 |
| 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