Quick answers
- Where does James A. Ferrier see patients?
- Medicare's clinician data lists 2 practice locations, including Wailuku, HI and Mesa, AZ. Call before your visit to confirm the address.
- What is James A. Ferrier's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does James A. Ferrier accept Medicare assignment?
- Yes. Medicare's clinician data says James A. Ferrier 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 James A. Ferrier's NPI number?
- 1023118858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where James A. Ferrier is enrolled with Medicare (CMS data updated 2026-10-02).
- 515 Iao Valley RdWailuku, HI 96793
- 525 W Brown Rd, Fl 9Mesa, AZ 85201
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Wailuku
Clinicians with the same Medicare primary specialty in Wailuku, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023118858 |
| 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
- 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