Michael Thomas Gregg

Michael Thomas Gregg is a Behavior Analyst provider (Behavior Analyst) practicing in Alhambra, CA, registered in the NPPES registry with NPI 1770824849 since 2013.

✓ Active NPI ✓ Valid NPI checksum

NPI	1770824849
Entity type	Individual (Type 1)
Name	Michael Thomas Gregg
Sex	Male
Practice address	1000 S FREMONT AVE STE A91803, Alhambra, CA, 91803
Phone	6263802310
Enumeration date	2013-03-13
Last updated in NPPES	2013-03-13

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103K00000X	Behavior Analyst	Primary	—	—

Copy-ready billing details

Provider: Michael Gregg
NPI: 1770824849
Taxonomy: 103K00000X (Behavior Analyst)
Address: 1000 S FREMONT AVE STE A91803, Alhambra, CA, 91803

Verify this record

Cross-check NPI 1770824849 against the authoritative CMS record: view Michael Thomas Gregg 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

Where does Michael Gregg practice?

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

What is the NPI number for Michael Gregg?

The National Provider Identifier (NPI) for Michael Gregg is 1770824849, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2013-03-13.