NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Clyde Keith Berthold III

Behavior Analyst in Hillsboro, OR · enumerated 2019.

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

National Provider Identifier

1215588900

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. Clyde Keith Berthold III
Sex Male
Practice address 5801 Ne Cornelius Pass Rd, Hillsboro, OR, 97124
Enumeration date Sep 24, 2019
Last updated in NPPES Sep 24, 2019

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License A710535 (OR) Primary

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

What is the NPI number for Clyde Berthold?
The National Provider Identifier (NPI) for Clyde Berthold is 1215588900, a Type 1 (individual) record in the CMS NPPES registry.
Where does Clyde Berthold practice?
The practice location on file with NPPES is in Hillsboro, OR. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-24.