Quick answers
- Which hospitals does Gill L. Frei work at?
- Medicare's official clinician data lists Gill L. Frei at 1 hospital: Montefiore Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gill L. Frei see patients?
- Medicare's clinician data lists 1 practice location in Bronx, NY. Call before your visit to confirm the address.
- What is Gill L. Frei's specialty?
- Medicare lists Neurology as the primary specialty, and also Internal Medicine.
- Does Gill L. Frei accept Medicare assignment?
- Yes. Medicare's clinician data says Gill L. Frei 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 Gill L. Frei?
- (718) 655-4956, as listed in official Medicare / NPI Registry data.
- What is Gill L. Frei's NPI number?
- 1477541761. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gill L. Frei works
Medicare's Facility Affiliation Data lists Gill L. Frei at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Montefiore Medical CenterBronx, NY · Acute Care Hospital · CCN 330059
Practice locations
Addresses where Gill L. Frei is enrolled with Medicare (CMS data updated 2026-10-02).
- 2452 Bronx Park EBronx, NY 10467 (718) 655‑4956
Group practices
Medicare enrollment lists Gill L. Frei as a member of this group (CMS data updated 2026-10-02).
- Kidney Medical Associates PLLC11 clinicians in the group
Specialties
- Neurologyprimary
- Internal Medicinealso
Other neurologists in Bronx
Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477541761 |
| 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