Quick answers
- Where does Margaret Mass see patients?
- Medicare's clinician data lists 1 practice location in Purchase, NY. Call before your visit to confirm the address.
- What is Margaret Mass's specialty?
- Medicare lists Qualified Audiologist as the primary specialty.
- Does Margaret Mass accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret Mass 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 Margaret Mass?
- (914) 253-8070, as listed in official Medicare / NPI Registry data.
- What is Margaret Mass's NPI number?
- 1669622007. 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 Margaret Mass is enrolled with Medicare (CMS data updated 2026-10-02).
- 3020 Westchester Ave, Suite 303Purchase, NY 10577 (914) 253‑8070
Group practices
Medicare enrollment lists Margaret Mass as a member of this group (CMS data updated 2026-10-02).
- Ent and Allergy Associates LLP432 clinicians in the group
Specialties
- Qualified Audiologistprimary
Other audiologists in Purchase
Clinicians with the same Medicare primary specialty in Purchase, NY — not a recommendation.
Clinician information
| Credential | AU |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669622007 |
| 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