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

Dr. Steven Kenneth Korthuis, DPT

Individual provider Physical Therapist · NPI 1154306967

Dr. Steven Kenneth Korthuis, DPT is registered under Physical Therapist in Private Practice in Lynden, Washington. Qualified in 1996, 30 years ago. Practices with Lynden Family Physical Therapy Ps Inc, a 5-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
30
Licensed in
WA
In the registry since
2005
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1824 Frnt ST Ste A
Lynden, WA 98264-1729
Phone: (360) 354-0585
Fax: (360) 354-1098
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence PT00007181 (WA)

Record details

NPI number1154306967
Entity typeIndividual (Type 1)
GenderMale
Credentials DPT
Sole proprietorNo
NPI enumeratedDecember 14, 2005
Last updated in NPPESJanuary 12, 2026
Certification dateJanuary 12, 2026

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Lynden Family Physical Therapy Ps Inc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Lynden