Quick answers
- Where does Alessandra Byer see patients?
- Medicare's clinician data lists 2 practice locations, including Port Jefferson, NY and Stony Brook, NY. Call before your visit to confirm the address.
- What is Alessandra Byer's specialty?
- Medicare lists Registered Dietitian or Nutrition Professional as the primary specialty.
- Does Alessandra Byer accept Medicare assignment?
- Yes. Medicare's clinician data says Alessandra Byer 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 Alessandra Byer?
- (631) 686-2524, as listed in official Medicare / NPI Registry data.
- What is Alessandra Byer's NPI number?
- 1457830002. 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 Alessandra Byer is enrolled with Medicare (CMS data updated 2026-10-02).
- 125 Oakland Ave, Suite 203Port Jefferson, NY 11777 (631) 686‑2524
- 2500 Nesconset Hwy, Bldg 16 Unit 62Stony Brook, NY 11790 (631) 585‑5055
Group practices
Medicare enrollment lists Alessandra Byer as a member of this group (CMS data updated 2026-10-02).
- Harbor View Medical Services PC58 clinicians in the group
Specialties
Find other clinicians: Registered Dietitian or Nutrition Professional, New York →
Other dietitians in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457830002 |
| 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