Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Duane J Lahti Jr., DPT, CMTPT

Individual provider Physical Therapist · NPI 1316107220

Duane J Lahti Jr., DPT, CMTPT is a Physical Therapist in Private Practice in Hermantown, Minnesota. Qualified in 2005, 21 years ago. Practices with Therapy Partners Inc, a 136-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
21
Licensed in
MN, WI
In the registry since
2008
Specialties on file
2
What do these letters mean?
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

See every abbreviation used in this directory →

Practice location Address checks out

4135 Richard Ave Ste 102
Hermantown, MN 55811
Phone: (218) 206-7775
Fax: (218) 206-7776
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1029 W Central Entrance, Duluth, MN 55811-5477 — (218) 206-7775

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 9582 (MN)
Physical Therapist Taxonomy 225100000X · Licence 11047-024 (WI)

Record details

NPI number1316107220
Entity typeIndividual (Type 1)
GenderMale
Credentials DPT , CMTPT
Sole proprietorNo
NPI enumeratedJune 13, 2008
Last updated in NPPESJuly 23, 2025
Certification dateJuly 23, 2025

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Therapy Partners Inc — 136 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Hermantown