Quick answers
- Which hospitals does Mark G. Barber work at?
- Medicare's official clinician data lists Mark G. Barber at 2 hospitals: Mount Sinai Beth Israel and Mount Sinai Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark G. Barber see patients?
- Medicare's clinician data lists 3 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Mark G. Barber's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Mark G. Barber accept Medicare assignment?
- Yes. Medicare's clinician data says Mark G. Barber 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.
- Does Mark G. Barber offer telehealth?
- Medicare's clinician data says Mark G. Barber offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark G. Barber?
- (212) 241-4572, as listed in official Medicare / NPI Registry data.
- What is Mark G. Barber's NPI number?
- 1720519333. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark G. Barber works
Medicare's Facility Affiliation Data lists Mark G. Barber at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · CCN 330024
Practice locations
Addresses where Mark G. Barber is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Gustave Levy Place, Mount Sinai Emergency RoomNew York, NY 10029 (212) 241‑4572
- 10 Union Sq ENew York, NY 10003 (212) 844‑8888
- 5 E 98th St 2nd FlNew York, NY 10029 (212) 241‑4572
Group practices
Medicare enrollment lists Mark G. Barber as a member of this group (CMS data updated 2026-10-02).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Medical school | University Of Connecticut School Of Medicine |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720519333 |
| 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