Quick answers
- Which hospitals does Mary Eileen Kiernan work at?
- Medicare's official clinician data lists Mary Eileen Kiernan at 3 hospitals: Montefiore St Luke's Cornwall, Nyack Hospital and White Plains Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary Eileen Kiernan see patients?
- Medicare's clinician data lists 2 practice locations, including South Salem, NY and White Plains, NY. Call before your visit to confirm the address.
- What is Mary Eileen Kiernan's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mary Eileen Kiernan accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Eileen Kiernan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Mary Eileen Kiernan offer telehealth?
- Medicare's clinician data says Mary Eileen Kiernan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mary Eileen Kiernan?
- (914) 775-9596, as listed in official Medicare / NPI Registry data.
- What is Mary Eileen Kiernan's NPI number?
- 1952951691. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary Eileen Kiernan works
Medicare's Facility Affiliation Data lists Mary Eileen Kiernan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Montefiore St Luke's CornwallNewburgh, NY · Acute Care Hospital · CCN 330264
- Nyack HospitalNyack, NY · Acute Care Hospital · CCN 330104
- White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · CCN 330304
Practice locations
Addresses where Mary Eileen Kiernan is enrolled with Medicare (CMS data updated 2026-10-02).
- 21 Beaver Pond RdSouth Salem, NY 10590 (914) 775‑9596
- 41 E Post RdWhite Plains, NY 10601 (914) 681‑0600
Group practices
Medicare enrollment lists Mary Eileen Kiernan as a member of these groups (CMS data updated 2026-10-02).
- East Post Road Medical Services PC429 clinicians in the group
- Oconnor NP in Family Health PLLC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952951691 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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