Quick answers
- Which hospitals does Robert M. Grossberg work at?
- Medicare's official clinician data lists Robert M. Grossberg at 1 hospital: Montefiore Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert M. Grossberg see patients?
- Medicare's clinician data lists 2 practice locations, including Bronx, NY. Call before your visit to confirm the address.
- What is Robert M. Grossberg's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does Robert M. Grossberg accept Medicare assignment?
- Medicare's clinician data says Robert M. Grossberg may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Robert M. Grossberg offer telehealth?
- Medicare's clinician data says Robert M. Grossberg offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Robert M. Grossberg?
- (914) 378-6148, as listed in official Medicare / NPI Registry data.
- What is Robert M. Grossberg's NPI number?
- 1538259338. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert M. Grossberg works
Medicare's Facility Affiliation Data lists Robert M. Grossberg 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 Robert M. Grossberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 E 210th StBronx, NY 10467
- 3400 Bainbridge AveBronx, NY 10467 (914) 378‑6148
Group practices
Medicare enrollment lists Robert M. Grossberg as a member of this group (CMS data updated 2026-10-02).
- Montefiore Medical Center2,820 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Bronx
Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Warren Alpert Medical School Of Brown University |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538259338 |
| 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