Quick answers
- Does Lauren Vanchieri-Hollander accept Medicare assignment?
- Medicare's clinician data says Lauren Vanchieri-Hollander may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Lauren Vanchieri-Hollander's NPI number?
- 1417493941. 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 Lauren Vanchieri-Hollander is enrolled with Medicare (CMS data updated October 2, 2026).
- 496 Smithtown Byp, Suite 203Smithtown, NY 11787 (516) 404‑7337
Group practices
Medicare enrollment lists Lauren Vanchieri-Hollander as a member of this group (CMS data updated October 2, 2026).
- Rachel Lessard LCSW PC10 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Smithtown
Clinicians with the same Medicare primary specialty in Smithtown, NY — not a recommendation.
Other clinicians in Rachel Lessard LCSW PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2014 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1417493941 |
| 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
- 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