Quick answers
- Which hospitals does William D. Dillon work at?
- Medicare's official clinician data lists William D. Dillon at 1 hospital: Brigham and Women's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William D. Dillon see patients?
- Medicare's clinician data lists 1 practice location in Wrentham, MA. Call before your visit to confirm the address.
- What is William D. Dillon's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does William D. Dillon accept Medicare assignment?
- Yes. Medicare's clinician data says William D. Dillon 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 William D. Dillon offer telehealth?
- Medicare's clinician data says William D. Dillon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William D. Dillon?
- (508) 384-5000, as listed in official Medicare / NPI Registry data.
- What is William D. Dillon's NPI number?
- 1689656373. 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 D. Dillon works
Medicare's Facility Affiliation Data lists William D. Dillon 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
Practice locations
Addresses where William D. Dillon is enrolled with Medicare (CMS data updated 2026-10-02).
- 844 Franklin St, Unit 2Wrentham, MA 02093 (508) 384‑5000
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →
Other cardiologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689656373 |
| 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