Quick answers
- Which hospitals does Michelle Antonowicz work at?
- Medicare's official clinician data lists Michelle Antonowicz at 1 hospital: Hackensack Meridian Mountainside Medical. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michelle Antonowicz see patients?
- Medicare's clinician data lists 1 practice location in Montclair, NJ. Call before your visit to confirm the address.
- What is Michelle Antonowicz's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Michelle Antonowicz accept Medicare assignment?
- Yes. Medicare's clinician data says Michelle Antonowicz 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 Michelle Antonowicz?
- (954) 939-5000, as listed in official Medicare / NPI Registry data.
- What is Michelle Antonowicz's NPI number?
- 1780683128. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michelle Antonowicz works
Medicare's Facility Affiliation Data lists Michelle Antonowicz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hackensack Meridian Mountainside MedicalMontclair, NJ · Acute Care Hospital · CCN 310054
Practice locations
Addresses where Michelle Antonowicz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Bay AveMontclair, NJ 07042 (954) 939‑5000
Group practices
Medicare enrollment lists Michelle Antonowicz as a member of this group (CMS data updated 2026-10-02).
- Montclair Emergency Physicians LLC18 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Montclair
Clinicians with the same Medicare primary specialty in Montclair, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780683128 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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