Quick answers
- Does Margaret Wat accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret Wat accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Margaret Wat's NPI number?
- 1477972032. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Margaret Wat works
Medicare's Facility Affiliation Data lists Margaret Wat at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
Practice locations
Addresses where Margaret Wat is enrolled with Medicare (CMS data updated October 2, 2026).
- 900 Cummings Ctr, Suite 311tBeverly, MA 01915 (978) 225‑3376
Group practices
Medicare enrollment lists Margaret Wat as a member of these groups (CMS data updated October 2, 2026).
- Massachusetts Dermatology Associates, P.C.15 clinicians in the group
- Massderm Billing PC14 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Beverly
Clinicians with the same Medicare primary specialty in Beverly, MA — not a recommendation.
Other clinicians in Massachusetts Dermatology Associates, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477972032 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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