Quick answers
- Does Louis W. Gleckel accept Medicare assignment?
- Yes. Medicare's clinician data says Louis W. Gleckel 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 Louis W. Gleckel see?
- In 2024, CMS data shows 1,098 Original Medicare patients and 6,728 services for Louis W. Gleckel. This counts Original Medicare only and measures volume, not quality.
- What is Louis W. Gleckel's NPI number?
- 1841235272. 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 Louis W. Gleckel, 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 | 1,098 |
|---|---|
| Services billed to Medicare | 6,728 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,447 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)979 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)760 services
- Insertion of needle into vein for collection of blood sample (36415)500 services
- Automated urinalysis test (81003)464 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 cholesterol75%
- High blood pressure73%
- Arthritis45%
- Diabetes29%
- Ischemic heart disease23%
- Chronic kidney disease18%
Practice locations
Addresses where Louis W. Gleckel is enrolled with Medicare (CMS data updated October 2, 2026).
- 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
Group practices
Medicare enrollment lists Louis W. Gleckel as a member of this group (CMS data updated October 2, 2026).
- Optum Medical Care PC1,010 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Mount Kisco
Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.
Other clinicians in Optum Medical Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841235272 |
| 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