Quick answers
- Which hospitals does John A. Willis work at?
- Medicare's official clinician data lists John A. Willis at 2 hospitals: Cape Cod Hospital and Falmouth Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Willis see patients?
- Medicare's clinician data lists 2 practice locations, including Hyannis, MA and South Dennis, MA. Call before your visit to confirm the address.
- What is John A. Willis's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John A. Willis accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Willis 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 John A. Willis?
- (508) 775-8282, as listed in official Medicare / NPI Registry data.
- What is John A. Willis's NPI number?
- 1548253172. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John A. Willis works
Medicare's Facility Affiliation Data lists John A. Willis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · CCN 220012
- Falmouth HospitalFalmouth, MA · Acute Care Hospital · CCN 220135
Practice locations
Addresses where John A. Willis is enrolled with Medicare (CMS data updated 2026-10-02).
- 130 N StHyannis, MA 02601 (508) 775‑8282
- 860 Route 134, Suite 5and6South Dennis, MA 02660 (508) 385‑4212
Group practices
Medicare enrollment lists John A. Willis as a member of these groups (CMS data updated 2026-10-02).
- Physiotherapy Associates Inc1,460 clinicians in the group
- Cape Cod Orthopedics and Sports Medicine PC33 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Hyannis
Clinicians with the same Medicare primary specialty in Hyannis, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Connecticut School Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548253172 |
| 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