Quick answers
- Where does Agnes O. Laseinde see patients?
- Medicare's clinician data lists 2 practice locations, including Valhalla, NY and Mount Kisco, NY. Call before your visit to confirm the address.
- What is Agnes O. Laseinde's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Agnes O. Laseinde accept Medicare assignment?
- Yes. Medicare's clinician data says Agnes O. Laseinde 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.
- What is the phone number for Agnes O. Laseinde?
- (914) 241-9030, as listed in official Medicare / NPI Registry data.
- What is Agnes O. Laseinde's NPI number?
- 1134788144. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Agnes O. Laseinde is enrolled with Medicare (CMS data updated 2026-10-02).
- 465 Columbus AveValhalla, NY 10595
- 91 Smith AveMount Kisco, NY 10549 (914) 241‑9030
Group practices
Medicare enrollment lists Agnes O. Laseinde as a member of this group (CMS data updated 2026-10-02).
- Westchester Health Medical PC88 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Valhalla
Clinicians with the same Medicare primary specialty in Valhalla, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134788144 |
| 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 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