Doctor profile · Federal record

Dr. Maren Duimstra, PT, DPT

Orthopedic Physical Therapist (CMS: Physical Therapist in Private Practice) · Kirkland, WA

  • NPI 1164831855
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11800 Ne 128Th St Ste 510
Kirkland, WA 980347296
(425) 820-2590

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Profile last updated
February 25, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2251X0800X — NUCC code
State license (1)
Washington #60483343

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164831855. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,404
Distinct HCPCS
5
Medicare allowed
$69,719
HCPCS Description Services Patients Avg allowed
97140 Therapy procedure using manual technique, each 15 minutes 869 39 $23
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 609 40 $32
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 528 38 $26
97530 Therapy procedure using functional activities 372 30 $37
97162 Evaluation for physical therapy, typically 30 minutes 26 25 $112

In context: peer comparison

Among 1 peers in Kirkland Orthopedic Physical Therapist, average services per provider: 480. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Maren Duimstra's medical specialty?
Dr. Maren Duimstra practices Orthopedic Physical Therapist in Kirkland, WA.
Where does Dr. Maren Duimstra practice?
Dr. Maren Duimstra practices at 11800 Ne 128Th St Ste 510, Kirkland, WA 980347296. Office phone: 4258202590.
What is Dr. Maren Duimstra's NPI?
Dr. Maren Duimstra's National Provider Identifier (NPI) is 1164831855, issued by NPPES.
Does Dr. Maren Duimstra accept Medicare assignment?
Yes. Dr. Maren Duimstra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maren Duimstra commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using manual technique (HCPCS 97140); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112); Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110). Source: CMS Medicare Physician & Other Practitioners file.