Quick answers
- Which hospitals does Arthur P. Williams work at?
- Medicare's official clinician data lists Arthur P. Williams at 5 hospitals: Beth Israel Deaconess Medical Center, Boston Medical Center, Brigham and Women's Hospital, South Shore Hospital and Tufts Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Arthur P. Williams see patients?
- Medicare's clinician data lists 3 practice locations, including Johnston, RI, Braintree, MA and Danbury, CT. Call before your visit to confirm the address.
- What is Arthur P. Williams's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Arthur P. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Arthur P. Williams 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 Arthur P. Williams?
- (781) 848-1300, as listed in official Medicare / NPI Registry data.
- What is Arthur P. Williams's NPI number?
- 1811953664. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Arthur P. Williams works
Medicare's Facility Affiliation Data lists Arthur P. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · CCN 220086
- Boston Medical CenterBoston, MA · Acute Care Hospital · CCN 220031
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · CCN 220110
- South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · CCN 220100
- Tufts Medical CenterBoston, MA · Acute Care Hospital · CCN 220116
Practice locations
Addresses where Arthur P. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 2109 Hartford AveJohnston, RI 02919 (781) 848‑1300
- 250 Pond StBraintree, MA 02184 (781) 848‑1300
- 50 Reserve RdDanbury, CT 06810 (781) 848‑1300
Group practices
Medicare enrollment lists Arthur P. Williams as a member of this group (CMS data updated 2026-10-02).
- Rehabilitation Medical Associates PC15 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Johnston
Clinicians with the same Medicare primary specialty in Johnston, RI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811953664 |
| 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