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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

TIERRA NICHOLE DOWNING CADC-R
NPI 1447176318
Counselor - Addiction (Substance Use Disorder) in Corvallis, OR

Active since June 25, 2026
442 NW 4TH ST, CORVALLIS, OR 97330(541) 757-7534 Get Directions Write a Review

NPPES record added: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Tierra Nichole Downing Cadc-r NPPES

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

TIERRA NICHOLE DOWNING CADC-R (NPI 1447176318) is an individual addiction (substance use disorder) provider in Corvallis, Oregon and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1447176318
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameTIERRA NICHOLE DOWNINGCredential: CADC-R
Location Address442 NW 4TH STCorvallis, OR 97330-6409
Mailing Address442 Nw 4th StCorvallis, OR 97330-6409 · (541) 757-7534
Phone(541) 757-7534
Sole ProprietorNo
Enumeration DateJune 25, 2026
Last NPPES UpdateAugust 13, 2026
NPPES CertifiedAugust 13, 2026
✔ NPI 1447176318 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
442 NW 4TH ST, Corvallis, OR 97330
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Other Providers at the Same Location NPPES 6

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

FAMILY RECOVERY, INC.
Counselor (Addiction (Substance Use Disorder))
442 NW 4TH ST
CORVALLIS, OR 97330
Benton County (541) 738-6832
APRIL ESTELLA WELCH
Registered Nurse (Psychiatric/Mental Health)
442 NW 4TH ST
CORVALLIS, OR 97330
Benton County (541) 738-6832
GRACE GOOD HEALTH, PC
Family Medicine
442 NW 4TH ST, SUITE 101
CORVALLIS, OR 97330
Benton County (541) 602-0260
KYLE HOMERTGEN, DO, LLC
Neuromusculoskeletal Medicine & OMM
442 NW 4TH ST, SUITE 101
CORVALLIS, OR 97330
Benton County (541) 758-5047
DR. ALICIA DAWN ROGERS ND
Naturopath
442 NW 4TH ST, SUITE 101
CORVALLIS, OR 97330
Benton County (541) 602-0260
CORE VITALITY CLINIC
Naturopath
442 NW 4TH ST, SUITE 101
CORVALLIS, OR 97330
Benton County (541) 602-0260

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 Downing's NPI number?

The NPI number for Tierra Downing is 1447176318. It was assigned to this individual provider in the NPPES registry on June 25, 2026.

Where is Tierra Downing located?

Tierra Downing practices at 442 NW 4th St, Corvallis, OR 97330. The listed phone number is (541) 757-7534.

What is Tierra Downing's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Tierra Downing was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.