Quick answers
- Which hospitals does Muhammad N. Ali work at?
- Medicare's official clinician data lists Muhammad N. Ali at 2 hospitals: Christiana Hospital and Mercy Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Muhammad N. Ali see patients?
- Medicare's clinician data lists 1 practice location in Freeport, NY. Call before your visit to confirm the address.
- What is Muhammad N. Ali's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Muhammad N. Ali accept Medicare assignment?
- Yes. Medicare's clinician data says Muhammad N. Ali 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 Muhammad N. Ali?
- (516) 378-4949, as listed in official Medicare / NPI Registry data.
- What is Muhammad N. Ali's NPI number?
- 1346221264. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Muhammad N. Ali works
Medicare's Facility Affiliation Data lists Muhammad N. Ali at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Christiana HospitalNewark, DE · Acute Care Hospital · CCN 080001
- Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · CCN 330259
Practice locations
Addresses where Muhammad N. Ali is enrolled with Medicare (CMS data updated 2026-10-02).
- 33 N Ocean AveFreeport, NY 11520 (516) 378‑4949
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Freeport
Clinicians with the same Medicare primary specialty in Freeport, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346221264 |
| 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