Quick answers
- Where does Garreth D. Macdonald see patients?
- Medicare's clinician data lists 1 practice location in Eugene, OR. Call before your visit to confirm the address.
- What is Garreth D. Macdonald's specialty?
- Medicare lists Chiropractic as the primary specialty, and also Physical Medicine and Rehabilitation and Sports Medicine.
- Does Garreth D. Macdonald accept Medicare assignment?
- Yes. Medicare's clinician data says Garreth D. Macdonald 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 Garreth D. Macdonald?
- (541) 343-4343, as listed in official Medicare / NPI Registry data.
- What is Garreth D. Macdonald's NPI number?
- 1770614521. 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 Garreth D. Macdonald is enrolled with Medicare (CMS data updated 2026-10-02).
- 115 W 8th Ave, Suite 200Eugene, OR 97401 (541) 343‑4343
Specialties
Other chiropractors in Eugene
Clinicians with the same Medicare primary specialty in Eugene, OR — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Medical school | Logan College Of Chiropractic |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770614521 |
| 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