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

Gregory Richard Niven, PT, DPT, CSCS

Individual provider Orthopedic Physical Therapist · NPI 1780305342

Gregory Richard Niven, PT, DPT, CSCS is a Physical Therapist in Private Practice in Seattle, Washington. Graduated from Washington University School of Medicine in 2022, 4 years ago. Practices with Manual Therapy International Professional Services PLLC, a 44-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
4
Trained at
Washington University School of Medicine
Licensed in
WA
In the registry since
2022
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

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Practice location Address checks out

506 12th Ave
Seattle, WA 98122-5509
Phone: (206) 430-6262
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopedic Physical Therapist (primary) Taxonomy 2251X0800X · Licence PT61299062 (WA)

Record details

NPI number1780305342
Entity typeIndividual (Type 1)
GenderMale
Credentials PT , DPT , CSCS
Sole proprietorNo
NPI enumeratedSeptember 12, 2022
Last updated in NPPESSeptember 12, 2022
Certification dateSeptember 11, 2022

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice Manual Therapy International Professional Services Pllc — 44 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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