Quick answers
- Which hospitals does Peguy Sylvain work at?
- Medicare's official clinician data lists Peguy Sylvain at 3 hospitals: Brigham and Women's Hospital, Massachusetts General Hospital and South Shore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peguy Sylvain see patients?
- Medicare's clinician data lists 2 practice locations, including Newton, MA and Hingham, MA. Call before your visit to confirm the address.
- What is Peguy Sylvain's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Peguy Sylvain accept Medicare assignment?
- Yes. Medicare's clinician data says Peguy Sylvain 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 Peguy Sylvain offer telehealth?
- Medicare's clinician data says Peguy Sylvain offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Peguy Sylvain?
- (617) 243-6000, as listed in official Medicare / NPI Registry data.
- What is Peguy Sylvain's NPI number?
- 1679008783. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peguy Sylvain works
Medicare's Facility Affiliation Data lists Peguy Sylvain at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · CCN 220110
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
- South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · CCN 220100
Practice locations
Addresses where Peguy Sylvain is enrolled with Medicare (CMS data updated 2026-10-02).
- 2014 Washington StNewton, MA 02462 (617) 243‑6000
- 6 Shipyard Dr, Suite 2aHingham, MA 02043 (781) 556‑0200
Group practices
Medicare enrollment lists Peguy Sylvain as a member of these groups (CMS data updated 2026-10-02).
- Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group
- Harbor Medical Associates Inc127 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Newton
Clinicians with the same Medicare primary specialty in Newton, MA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679008783 |
| 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