Quick answers
- Where does Stewart Greisman see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Stewart Greisman's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Stewart Greisman accept Medicare assignment?
- Yes. Medicare's clinician data says Stewart Greisman 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 Stewart Greisman offer telehealth?
- Medicare's clinician data says Stewart Greisman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stewart Greisman?
- (212) 265-1471, as listed in official Medicare / NPI Registry data.
- What is Stewart Greisman's NPI number?
- 1710978812. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Stewart Greisman is enrolled with Medicare (CMS data updated 2026-10-02).
- 457 W 57th St, Apt 106New York, NY 10019
- 457 W 57th St, Suite 106New York, NY 10019 (212) 265‑1471
Specialties
- Rheumatologyprimary
Other rheumatologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1710978812 |
| 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
- 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