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

THOMAS LEIFERMAN
NPI 1679481238
Counselor - Addiction (Substance Use Disorder) in Corvallis, OR

Active since September 01, 2026
530 NW 5TH ST, CORVALLIS, OR 97330(541) 753-3333 Get Directions Write a Review

NPPES record added: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Thomas Leiferman NPPES

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

THOMAS LEIFERMAN (NPI 1679481238) is an individual addiction (substance use disorder) provider in Corvallis, Oregon, licensed in Oregon (T-25-5572) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1679481238
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameTHOMAS LEIFERMAN
Location Address530 NW 5TH STCorvallis, OR 97330-6419
Mailing Address530 Nw 5th StCorvallis, OR 97330-6419 · (541) 753-3333
Sole ProprietorYes
Enumeration DateSeptember 1, 2026
NPPES CertifiedSeptember 1, 2026
NPI 1679481238 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
License Licensed in OR · T-25-5572
530 NW 5TH ST, Corvallis, OR 97330

Other Providers at the Same Location NPPES 3

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

Peer Specialist
530 NW 5TH ST
CORVALLIS, OR 97330
Counselor (Professional)
530 NW 5TH ST
CORVALLIS, OR 97330
Substance Abuse Rehabilitation Facility
530 NW 5TH ST
CORVALLIS, OR 97330

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 Thomas Leiferman's NPI number?

The NPI number for Thomas Leiferman is 1679481238. It was assigned to this individual provider in the NPPES registry on September 1, 2026.

Where is Thomas Leiferman located?

Thomas Leiferman practices at 530 NW 5th St, Corvallis, OR 97330. The listed phone number is (541) 753-3333.

What is Thomas Leiferman'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 Thomas Leiferman was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.