NPI

Gregory P Johnson DDS Ms Inc

Phone (949) 552-5800 · Fax (949) 552-8905 · NPI 1790054344

Read from the NPPES registry on October 24, 2026.

Facts

Status
Active
Type
Organization
Enumeration date
2011-12-27
Last updated
2011-12-30

Run it in Rivvi

Check your whole roster against NPI.

Deactivated, mismatched or missing NPIs across every provider, each with the fix. The kind that get claims denied.

Check the roster

Free to start. Opens Rivvi, the AI workspace for healthcare teams.

Is this you? Set up your practice's workspace from this NPI.

Specialties

Licenses

License CA
D22813

Location

Practice location
5394 Walnut Ave Ste H
City
Irvine CA
Postal code
92604-2591
Phone
(949) 552-5800
Fax
(949) 552-8905

Organization contact

Name
Gregory Johnson
Title
President
Phone
(949) 552-5800

Medicare

PECOS
No PECOS enrollment row matched this NPI.

LEIE

No exclusion found for this NPI in the OIG LEIE file dated October 9, 2026. Confirm on OIG's online search.

Check this NPI on the exclusion page

OIG exclusion search

Nearby

Orthodontists in Irvine, CA. 50 with this primary taxonomy in the public file.

Other NPIs in Irvine, CA. 10,088 records in the public file.

Public data from NPPES and CMS. Not a credentialing determination.

Update a record in NPPES

Request removal of this page

This removes the page from rivvi.ai. It does not change the record in NPPES.

Try it on your own data today.

Free to start. Most teams are using it the same day.