Mr. Gregory Earl Johnson

Mr. Gregory Earl Johnson is a Behavior Analyst provider (Behavior Analyst) practicing in Watonga, OK, registered in the NPPES registry with NPI 1588962054 since 2011.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1588962054
Entity type	Individual (Type 1)
Name	Mr. Gregory Earl Johnson
Sex	Male
Practice address	Watonga, OK, 73772
Phone	4059212892
Enumeration date	2011-03-08
Last updated in NPPES	2014-03-24

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103K00000X	Behavior Analyst	Primary	—	—
101Y00000X	Counselor	Secondary	—	—

Copy-ready billing details

Provider: Gregory Johnson
NPI: 1588962054
Taxonomy: 103K00000X (Behavior Analyst)
Address: Watonga, OK, 73772

Verify this record

Cross-check NPI 1588962054 against the authoritative CMS record: view Mr. Gregory Earl Johnson on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Gregory Johnson?

The National Provider Identifier (NPI) for Gregory Johnson is 1588962054, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Johnson practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2014-03-24.