Quick answers
- Where does William G. Suozzi see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is William G. Suozzi's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William G. Suozzi accept Medicare assignment?
- Yes. Medicare's clinician data says William G. Suozzi 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 William G. Suozzi?
- (212) 426-7300, as listed in official Medicare / NPI Registry data.
- What is William G. Suozzi's NPI number?
- 1386663235. 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 William G. Suozzi is enrolled with Medicare (CMS data updated 2026-10-02).
- 234 Central Park WNew York, NY 10024 (212) 426‑7300
- 241 E 86th StNew York, NY 10028 (212) 452‑9210
Group practices
Medicare enrollment lists William G. Suozzi 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
- Internal Medicineprimary
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386663235 |
| 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