Quick answers
- Does Kenneth O. Mendelsohn accept Medicare assignment?
- Medicare's clinician data says Kenneth O. Mendelsohn may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Kenneth O. Mendelsohn see?
- In 2024, CMS data shows 203 Original Medicare patients and 350 services for Kenneth O. Mendelsohn. This counts Original Medicare only and measures volume, not quality.
- What is Kenneth O. Mendelsohn's NPI number?
- 1225176878. 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 Kenneth O. Mendelsohn, 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 | 203 |
|---|---|
| Services billed to Medicare | 350 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient complete exam of visual system (92014)151 services
- Exam of the internal drainage system of eye (92020)61 services
- Exam of visual field with extended testing (92083)60 services
- Established patient problem focused exam of visual system (92012)40 services
- New patient complete exam of visual system (92004)31 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 cholesterol73%
- High blood pressure51%
- Arthritis45%
- Osteoporosis26%
- Ischemic heart disease22%
- Diabetes19%
Practice locations
Addresses where Kenneth O. Mendelsohn is enrolled with Medicare (CMS data updated October 2, 2026).
- 353 Lexington Ave, Suite 1204New York, NY 10016 (212) 986‑2153
Specialties
- Optometryprimary
Other optometrists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| School | Pennsylvania College Of Optometry |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1225176878 |
| 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