Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. RICHARD ARMSTRONG D.D.S.
NPI 1831192822
Dentist - General Practice in Costa Mesa, CA

Q: What is Richard Armstrong's NPI number?

The NPI number for Richard Armstrong is 1831192822. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Q: What is Richard Armstrong's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Richard Armstrong was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 23, 2005

181 E 18TH ST, STE A, COSTA MESA, CA 92627(949) 548-1262 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Richard Armstrong D.d.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RICHARD ARMSTRONG D.D.S. (NPI 1831192822) is an individual general practice provider in Costa Mesa, California, licensed in California (29550) and active in the NPI registry since May 2005.

NPPES Registry Identity

NPI1831192822

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. RICHARD ARMSTRONGCredential: D.D.S.

Location Address181 E 18TH ST, STE ACosta Mesa, CA 92627-3000

Mailing Address181 E 18th St, Ste ACosta Mesa, CA 92627-3000 · (949) 548-1262

Phone(949) 548-1262

Sole ProprietorNo

Enumeration DateMay 23, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1831192822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · 29550

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

181 E 18TH ST, Costa Mesa, CA 92627

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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BOBBIE MCDONALD PSY.D.

Psychologist

181 E 18TH ST, STE B
COSTA MESA, CA 92627

Orange County (949) 887-9616

DR. JOHNNY CHUNKAU WONG

Dentist

181 E 18TH ST, SUITE NUMBER D
COSTA MESA, CA 92627

Orange County (949) 548-3384

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Richard Armstrong's NPI number?

The NPI number for Richard Armstrong is 1831192822. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is Richard Armstrong located?

Richard Armstrong practices at 181 E 18th St Ste A, Costa Mesa, CA 92627. The listed phone number is (949) 548-1262.

What is Richard Armstrong's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Richard Armstrong was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.