Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Thomas Norman Barrett, D.M.D., M.S.

Endodontics in Portland, OR · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1194726885

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Registry record

Entity type Individual (Type 1)

Name Dr. Thomas Norman Barrett

Credential D.M.D., M.S.

Sex Male

Practice address 9370 Sw Greenburg Rd, Suite 204, Portland, OR, 97223

Phone (503) 246-4499

Fax (503) 246-8932

Enumeration date Aug 3, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223E0200X Endodontics Dental Providers · License 5147 (OR) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Thomas Barrett practice?

The practice location on file with NPPES is in Portland, OR. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Thomas Barrett?

The National Provider Identifier (NPI) for Thomas Barrett is 1194726885, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.