Quick answers
- Does Ilene N. Kassman accept Medicare assignment?
- Yes. Medicare's clinician data says Ilene N. Kassman 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.
- What is Ilene N. Kassman's NPI number?
- 1578304028. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ilene N. Kassman works
Medicare's Facility Affiliation Data lists Ilene N. Kassman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
Practice locations
Addresses where Ilene N. Kassman is enrolled with Medicare (CMS data updated October 2, 2026).
- 480 Bedford RdChappaqua, NY 10514 (914) 232‑3255
Group practices
Medicare enrollment lists Ilene N. Kassman as a member of this group (CMS data updated October 2, 2026).
- Westchester Health Medical PC88 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Chappaqua
Clinicians with the same Medicare primary specialty in Chappaqua, NY — not a recommendation.
Other clinicians in Westchester Health Medical PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578304028 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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