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

Dr. Marlene R Dumas, DPT

Individual provider Physical Therapist · NPI 1174523559

Dr. Marlene R Dumas, DPT is a Physical Therapist in Private Practice in Sisters, Oregon. Qualified in 1996, 30 years ago. Practices with Gregory Zadow Inc Ps, a 7-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
30
Licensed in
OR
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.

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Practice location Address checks out

325 N Locust St
Sisters, OR 97759-5047
Phone: (541) 549-3534
Fax: (541) 549-1272
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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 4145 (OR)

Record details

NPI number1174523559
Entity typeIndividual (Type 1)
GenderFemale
Credentials DPT
Sole proprietorYes
NPI enumeratedJuly 28, 2005
Last updated in NPPESSeptember 11, 2023
Certification dateSeptember 11, 2023

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 Gregory Zadow Inc Ps — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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