Quick answers
- Which hospitals does William E. Lawson work at?
- Medicare's official clinician data lists William E. Lawson at 4 hospitals: John T Mather Memorial Hospital of Port Jefferson, Long Island Community Hospital, St Charles Hospital and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Lawson see patients?
- Medicare's clinician data lists 4 practice locations, including Stony Brook, NY, East Setauket, NY and Bay Shore, NY. Call before your visit to confirm the address.
- What is William E. Lawson's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Advanced Heart Failure and Transplant Cardiology and Cardiovascular Disease (Cardiology).
- Does William E. Lawson accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Lawson 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 E. Lawson?
- (631) 444-0580, as listed in official Medicare / NPI Registry data.
- What is William E. Lawson's NPI number?
- 1013932250. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William E. Lawson works
Medicare's Facility Affiliation Data lists William E. Lawson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
- Long Island Community HospitalPatchogue, NY · Acute Care Hospital · CCN 330141
- St Charles HospitalPort Jefferson, NY · Acute Care Hospital · CCN 330246
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where William E. Lawson is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Nicolls RdStony Brook, NY 11794
- 101 Nicolls RdStony Brook, NY 11794 (631) 444‑0580
- 26 Research WayEast Setauket, NY 11733 (631) 444‑0580
- 301 E Main StBay Shore, NY 11706 (631) 941‑2000
Group practices
Medicare enrollment lists William E. Lawson as a member of this group (CMS data updated 2026-10-02).
- Stony Brook Internists University Faculty Practice Corporation428 clinicians in the group
Specialties
Other interventional cardiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013932250 |
| 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