Quick answers
- Does Marilyn J. Lavin accept Medicare assignment?
- Yes. Medicare's clinician data says Marilyn J. Lavin 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 Marilyn J. Lavin's NPI number?
- 1578585642. 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 Marilyn J. Lavin is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Broadway, Suite 201Massapequa, NY 11758 (516) 567‑9044
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Massapequa
Clinicians with the same Medicare primary specialty in Massapequa, NY — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578585642 |
| 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