Quick answers
- Where does William Fleischman see patients?
- Medicare's clinician data lists 2 practice locations, including Hackensack, NJ and Edison, NJ. Call before your visit to confirm the address.
- What is William Fleischman's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does William Fleischman accept Medicare assignment?
- Yes. Medicare's clinician data says William Fleischman 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 Fleischman?
- (551) 996-5045, as listed in official Medicare / NPI Registry data.
- What is William Fleischman's NPI number?
- 1316264468. 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 Fleischman is enrolled with Medicare (CMS data updated 2026-10-02).
- 30 Prospect AveHackensack, NJ 07601 (551) 996‑5045
- 65 James StEdison, NJ 08818 (732) 321‑7000
Group practices
Medicare enrollment lists William Fleischman as a member of these groups (CMS data updated 2026-10-02).
- Hackensack Meridian Health Medical Group - Specialty Care PC1,922 clinicians in the group
- Middlesex Emergency Physicians, P.A.40 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Hackensack
Clinicians with the same Medicare primary specialty in Hackensack, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316264468 |
| 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