Quick answers
- Where does William Stoll see patients?
- Medicare's clinician data lists 2 practice locations, including Hackensack, NJ. Call before your visit to confirm the address.
- What is William Stoll's specialty?
- Medicare lists Qualified Audiologist as the primary specialty.
- Does William Stoll accept Medicare assignment?
- Yes. Medicare's clinician data says William Stoll 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 William Stoll?
- (201) 342-8060, as listed in official Medicare / NPI Registry data.
- What is William Stoll's NPI number?
- 1922615392. 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 William Stoll is enrolled with Medicare (CMS data updated 2026-10-02).
- 20 Prospect Ave, Suite 712Hackensack, NJ 07601 (201) 342‑8060
- 20 Prospect Ave, Suite 808Hackensack, NJ 07601 (201) 820‑4110
Group practices
Medicare enrollment lists William Stoll as a member of these groups (CMS data updated 2026-10-02).
- Hackensack Audiology and Hearing Aid Associates, LLC5 clinicians in the group
- Christopher M Shaari MD PC2 clinicians in the group
Specialties
- Qualified Audiologistprimary
Other audiologists in Hackensack
Clinicians with the same Medicare primary specialty in Hackensack, NJ — not a recommendation.
Clinician information
| Credential | AU |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922615392 |
| 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