Quick answers
- Where does Garrett Duffin see patients?
- Medicare's clinician data lists 2 practice locations, including Billings, MT. Call before your visit to confirm the address.
- What is Garrett Duffin's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Garrett Duffin accept Medicare assignment?
- Yes. Medicare's clinician data says Garrett Duffin 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 Garrett Duffin?
- (406) 896-1397, as listed in official Medicare / NPI Registry data.
- What is Garrett Duffin's NPI number?
- 1710669098. 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 Garrett Duffin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1635 Gleneagles BlvdBillings, MT 59105 (406) 896‑1397
- 2900 12th Ave N, Suite 140wBillings, MT 59101 (406) 237‑5050
Group practices
Medicare enrollment lists Garrett Duffin as a member of this group (CMS data updated 2026-10-02).
- Ortho Montana, PSC41 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Montana →
Other physical therapists in Billings
Clinicians with the same Medicare primary specialty in Billings, MT — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710669098 |
| 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