CLAIRE RUTH TREFETHEN OTD
NPI 1740950138
Occupational Therapist in Brooklyn, NY

Active since September 16, 2021Accepts Medicare Assignment
41 CLARK ST, BROOKLYN, NY 11201(646) 518-5566 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 21, 2023, Sep 16, 2021 (2 updates tracked since 2021).

About Claire Ruth Trefethen Otd NPPES

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

CLAIRE RUTH TREFETHEN OTD (NPI 1740950138) is an individual occupational therapist in Brooklyn, New York, licensed in New York (027577) and active in the NPI registry since September 2021. She maintains a secondary practice location in Tempe and is a graduate of Other (2021).

NPPES Registry Identity

NPI1740950138
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameCLAIRE RUTH TREFETHENCredential: OTD
Location Address41 CLARK STBrooklyn, NY 11201-2415
Mailing Address102 Madison Ave Fl 8New York, NY 10016-7584 · (212) 759-2282 · Fax (212) 379-2123
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 16, 2021
Last NPPES UpdateApril 17, 20252 updates tracked since enumeration
NPPES CertifiedApril 17, 2025
NPI 1740950138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
Licenses Licensed in NY · 027577 Licensed in AZ · OTH-008610
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
41 CLARK ST, Brooklyn, NY 11201

Other Names 1

Former Name (1)Claire Katherine Ruth Otd

Secondary Practice Location 1

Location 165 E University DrTempe, AZ 85281-1091 · Phone (480) 317-4444

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Claire Ruth Trefethen Otd 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 ID143610980
PECOS Enrollment IDI20230316001603

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.
543 services23 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.
410 services19 patients
Training for self-care or home management, each 15 minutes 97535
This service involves training sessions, each lasting 15 minutes, focused on teaching you essential self-care or home management skills. You'll learn techniques to manage your health condition at home, promoting independence and enhancing your quality of life.
194 services15 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.
155 services18 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.
116 services15 patients
Evaluation for occupational therapy, typically 30 minutes 97165
An evaluation for occupational therapy is a process where a therapist assesses your physical and mental abilities to perform daily activities. This 30-minute session helps identify any difficulties you may have and develop strategies for improvement.
21 services20 patients

Other Providers at the Same Location NPPES 20

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

Physical Therapist
41 CLARK ST
BROOKLYN, NY 11201
Physical Therapist
41 CLARK ST
BROOKLYN, NY 11201
Physical Therapist
41 CLARK ST
BROOKLYN, NY 11201
Physical Therapist
41 CLARK ST
BROOKLYN, NY 11201
Occupational Therapist (Pediatrics)
41 CLARK ST
BROOKLYN, NY 11201
Physical Therapist
41 CLARK ST
BROOKLYN, NY 11201
Occupational Therapist
41 CLARK ST
BROOKLYN, NY 11201
Physical Therapist
41 CLARK ST
BROOKLYN, NY 11201

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 Claire Trefethen's NPI number?

The NPI number for Claire Trefethen is 1740950138. It was assigned to this individual provider in the NPPES registry on September 16, 2021. The provider is also known as Claire Katherine Ruth Otd.

Where is Claire Trefethen located?

Claire Trefethen practices at 41 Clark St, Brooklyn, NY 11201. The listed phone number is (646) 518-5566.

What is Claire Trefethen's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Claire Trefethen enrolled in Medicare?

Yes. Claire Trefethen 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.

When was this NPI record last updated?

The NPPES record for Claire Trefethen was last updated on April 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.