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MAREN DUIMSTRA PT, DPT
NPI 1164831855
Physical Therapist - Orthopedic in Kirkland, WA

Active since August 06, 2014Accepts Medicare Assignment
11800 NE 128TH ST STE 510, KIRKLAND, WA 98034(425) 820-2590 Get Directions Write a Review

NPPES record last updated: February 25, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 25, 2023, Apr 12, 2018 (2 updates tracked since 2018).

About Maren Duimstra Pt, Dpt NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MAREN DUIMSTRA PT, DPT (NPI 1164831855) is an individual orthopedic provider in Kirkland, Washington, licensed in Washington (60483343) and active in the NPI registry since August 2014. She is a graduate of Other (2014).

NPPES Registry Identity

NPI1164831855
Entity TypeIndividualFemale
Primary Taxonomy2251X0800X
Provider Legal NameMAREN DUIMSTRACredential: PT, DPT
Location Address11800 NE 128TH ST STE 510Kirkland, WA 98034-7296
Mailing Address11800 Ne 128th St Ste 510Kirkland, WA 98034-7296
Phone(425) 820-2590
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateAugust 6, 2014
Last NPPES UpdateFebruary 25, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2023
✔ NPI 1164831855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysical Therapist · OrthopedicRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code2251X0800X
License✔ Licensed in WA · 60483343
Definition
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Orthopaedic Physical Therapy, who has demonstrated specialized knowledge and skill in human anatomy and physiology, movement science; pathology/pathophysiology, pain science, medical and surgical considerations, orthopaedic physical therapy theory and practice, and critical inquiry for evidence-based practice.
11800 NE 128TH ST STE 510, Kirkland, WA 98034
Open in Google Maps ↗

Other Names 1

Former Name (1)Maren Kay Kludt Pt, Dpt

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maren Duimstra Pt, Dpt is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264654896
PECOS Enrollment IDI20141113002009

Medicare Billing Reassignment

Medicare enrollment records show Maren Duimstra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Empowerme Rehabilitation Wa, PC
12 mi
Multi-Specialty
2450 NEWPORT WAY NW
Issaquah, WA 98027
  • Reassigned Medicare billing, Washington enrollment
  • 51 clinicians in this Medicare group
NPI 1821748112 (844) 502-7996

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110
This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
1,702 services55 patients
Therapy procedure using manual technique, each 15 minutes 97140
This therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.
1,602 services49 patients
Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 97112
This therapy helps retrain your brain, nerves, and muscles to work together. Through targeted exercises, your body learns to regain lost functions or improve current abilities. Each session lasts 15 minutes.
1,377 services51 patients
Therapy procedure using functional activities 97530
A therapy procedure using functional activities encourages you to use your own body movements in day-to-day tasks to aid recovery. It aims to improve your mobility, strength, and overall health by incorporating therapeutic exercises into your routine.
1,036 services50 patients
Therapy procedure for walking training, each 15 minutes 97116
Walking training therapy is a process to improve your ability to walk. It's a 15-minute session where you'll practice walking with the help of devices or exercises. It aims to enhance balance, strength, coordination, and endurance.
179 services38 patients
Evaluation for physical therapy, typically 30 minutes 97162
An evaluation for physical therapy is a 30-minute session where a physical therapist assesses your current physical condition. They'll examine your strength, flexibility, balance, and mobility to identify areas needing improvement. This helps tailor a therapy plan to your specific needs.
20 services18 patients

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARAH COLON PT, DPT
Physical Therapist
11800 NE 128TH ST STE 510
KIRKLAND, WA 98034
King County (425) 820-2590
MTI PHYSICAL THERAPY KIRKLAND
Specialist
11800 NE 128TH ST STE 510
KIRKLAND, WA 98034
King County (425) 820-2590
ERIC JAMES NINOMIYA DPT
Physical Therapist (Orthopedic)
11800 NE 128TH ST STE 510
KIRKLAND, WA 98034
King County (425) 820-2590
CHRISTINA HOUK PT
Physical Therapist
11800 NE 128TH ST STE 510
KIRKLAND, WA 98034
King County (425) 820-2590

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maren Duimstra's NPI number?

The NPI number for Maren Duimstra is 1164831855. It was assigned to this individual provider in the NPPES registry on August 6, 2014. The provider is also known as Maren Kay Kludt Pt, Dpt.

Where is Maren Duimstra located?

Maren Duimstra practices at 11800 NE 128th St Ste 510, Kirkland, WA 98034. The listed phone number is (425) 820-2590.

What is Maren Duimstra's specialty?

The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.

Is Maren Duimstra enrolled in Medicare?

Yes. Maren Duimstra is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Maren Duimstra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maren Duimstra reassigns Medicare benefits to Empowerme Rehabilitation Wa, PC (Issaquah, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maren Duimstra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maren Duimstra was last updated on February 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.