Quick answers
- Where does Karin L. Duffield see patients?
- Medicare's clinician data lists 2 practice locations, including Brodhead, WI and Beloit, WI. Call before your visit to confirm the address.
- What is Karin L. Duffield's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Karin L. Duffield accept Medicare assignment?
- Yes. Medicare's clinician data says Karin L. Duffield 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 Karin L. Duffield?
- (608) 897-8664, as listed in official Medicare / NPI Registry data.
- What is Karin L. Duffield's NPI number?
- 1881619211. 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 Karin L. Duffield is enrolled with Medicare (CMS data updated 2026-10-02).
- 2310 1st Ctr AveBrodhead, WI 53520 (608) 897‑8664
- 2825 Prairie AveBeloit, WI 53511 (608) 363‑5500
Group practices
Medicare enrollment lists Karin L. Duffield as a member of this group (CMS data updated 2026-10-02).
- Mercy Health System Corporation753 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Wisconsin →
Other physical therapists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881619211 |
| 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