Quick answers
- Which hospitals does Daniel L. Perrault work at?
- Medicare's official clinician data lists Daniel L. Perrault at 3 hospitals: Good Samaritan Hospital Medical Center, John T Mather Memorial Hospital of Port Jefferson and St Catherine of Siena Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel L. Perrault see patients?
- Medicare's clinician data lists 1 practice location in West Islip, NY. Call before your visit to confirm the address.
- What is Daniel L. Perrault's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Daniel L. Perrault accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel L. Perrault 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 Daniel L. Perrault?
- (631) 376-3990, as listed in official Medicare / NPI Registry data.
- What is Daniel L. Perrault's NPI number?
- 1346497682. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel L. Perrault works
Medicare's Facility Affiliation Data lists Daniel L. Perrault at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · CCN 330401
Practice locations
Addresses where Daniel L. Perrault is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Montauk HwyWest Islip, NY 11795 (631) 376‑3990
Group practices
Medicare enrollment lists Daniel L. Perrault as a member of this group (CMS data updated 2026-10-02).
- Pathology and Laboratory Consultants of Long Island PLLC20 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346497682 |
| 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