Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Karin Duffield, PT

Individual provider Physical Therapist · NPI 1881619211

Karin Duffield, PT is registered under Physical Therapist in Private Practice in Beloit, Wisconsin. Qualified in 1989, 37 years ago. Practices with Mercy Health System Corporation, a 751-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
37
Licensed in
WI
In the registry since
2006
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.

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Practice location Address checks out

2825 Prairie Ave
Beloit, WI 53511-1844 Not confirmed with CMS for 19 years — call before visiting
Phone: (608) 363-5500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 3858-024 (WI)

Record details

NPI number1881619211
Entity typeIndividual (Type 1)
GenderFemale
Credentials PT
Sole proprietorNo
NPI enumeratedJuly 13, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Mercy Health System Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 751 clinicians in the practice; 12 are shown here.

Other providers in Beloit