Quick answers
- Where does Erin Peyton-Alt see patients?
- Medicare's clinician data lists 1 practice location in Massapequa, NY. Call before your visit to confirm the address.
- What is Erin Peyton-Alt's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Erin Peyton-Alt accept Medicare assignment?
- Yes. Medicare's clinician data says Erin Peyton-Alt 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 Erin Peyton-Alt?
- (516) 308-4040, as listed in official Medicare / NPI Registry data.
- What is Erin Peyton-Alt's NPI number?
- 1104981927. 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 Erin Peyton-Alt is enrolled with Medicare (CMS data updated 2026-10-02).
- 627 BroadwayMassapequa, NY 11758 (516) 308‑4040
Group practices
Medicare enrollment lists Erin Peyton-Alt as a member of this group (CMS data updated 2026-10-02).
- Sisselman Medical Group PC5 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Massapequa
Clinicians with the same Medicare primary specialty in Massapequa, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104981927 |
| 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