Quick answers
- Which hospitals does William E. Shay work at?
- Medicare's official clinician data lists William E. Shay at 2 hospitals: Beth Israel Deaconess Medical Center and Cape Cod Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Shay see patients?
- Medicare's clinician data lists 3 practice locations, including Wellfleet, MA, Provincetown, MA and Harwich Port, MA. Call before your visit to confirm the address.
- What is William E. Shay's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William E. Shay accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Shay 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 William E. Shay?
- (508) 349-3131, as listed in official Medicare / NPI Registry data.
- What is William E. Shay's NPI number?
- 1033198627. 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 E. Shay works
Medicare's Facility Affiliation Data lists William E. Shay 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
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · CCN 220012
Practice locations
Addresses where William E. Shay is enrolled with Medicare (CMS data updated 2026-10-02).
- 3130 State Hwy Rte 6Wellfleet, MA 02667 (508) 349‑3131
- 49 Harry Kemp WayProvincetown, MA 02657 (508) 487‑9395
- 710 Route 28Harwich Port, MA 02646 (508) 432‑1400
Group practices
Medicare enrollment lists William E. Shay as a member of this group (CMS data updated 2026-10-02).
- Outer Cape Health Services, Inc.51 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Wellfleet
Clinicians with the same Medicare primary specialty in Wellfleet, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033198627 |
| 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