Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TIERRA DAVIS
NPI 1871139386
Occupational Therapist in Lake Oswego, OR

Active since November 19, 2019
440 1ST ST, LAKE OSWEGO, OR 97034(503) 744-4826 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 9, 2026, Jul 13, 2026, Nov 19, 2019 (3 updates tracked since 2019).

About Tierra Davis NPPES

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

TIERRA DAVIS (NPI 1871139386) is an individual occupational therapist in Lake Oswego, Oregon, licensed in Oregon (558274) and active in the NPI registry since November 2019. She maintains a secondary practice location in Lake Oswego.

NPPES Registry Identity

NPI1871139386
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameTIERRA DAVIS
Location Address440 1ST STLake Oswego, OR 97034-3123
Mailing Address1200 Corporate Dr Ste 400Hoover, AL 35242-5424 · (423) 238-8995
Sole ProprietorNo
Enumeration DateNovember 19, 2019
Last NPPES UpdateSeptember 9, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1871139386 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
License✔ Licensed in OR · 558274
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.
440 1ST ST, Lake Oswego, OR 97034

Secondary Practice Location 1

Location 15950 Willow LnLake Oswego, OR 97035-5315 · Phone (971) 501-7466

Other Providers at the Same Location NPPES

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

Physical Therapist
440 1ST ST
LAKE OSWEGO, OR 97034

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 Tierra Davis's NPI number?

The NPI number for Tierra Davis is 1871139386. It was assigned to this individual provider in the NPPES registry on November 19, 2019.

Where is Tierra Davis located?

Tierra Davis practices at 440 1st St, Lake Oswego, OR 97034. The listed phone number is (503) 744-4826.

What is Tierra Davis's specialty?

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

When was this NPI record last updated?

The NPPES record for Tierra Davis was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.