Quick answers
- Which hospitals does Stephen K. Williams work at?
- Medicare's official clinician data lists Stephen K. Williams at 2 hospitals: Bellevue Hospital Center and NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen K. Williams see patients?
- Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
- What is Stephen K. Williams's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Stephen K. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen K. Williams 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 Stephen K. Williams offer telehealth?
- Medicare's clinician data says Stephen K. Williams offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stephen K. Williams?
- (718) 630-7942, as listed in official Medicare / NPI Registry data.
- What is Stephen K. Williams's NPI number?
- 1750552790. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen K. Williams works
Medicare's Facility Affiliation Data lists Stephen K. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bellevue Hospital CenterNew York, NY · Acute Care Hospital · CCN 330204
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
Practice locations
Addresses where Stephen K. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 150 55th StBrooklyn, NY 11220 (718) 630‑7942
Group practices
Medicare enrollment lists Stephen K. Williams as a member of this group (CMS data updated 2026-10-02).
- NYU Langone Hospitals247 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Geisel School Of Medicine At Dartmouth |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750552790 |
| 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