Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cathleen Helen Tapp Stewart, DMD

Dentist in Bloomington, CA · enumerated 2006.

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

National Provider Identifier

1982706610

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Registry record

Entity type Individual (Type 1)

Name Cathleen Helen Tapp Stewart

Credential DMD

Sex Female

Practice address 18601 Valley Boulevard, Bloomington, CA, 92316

Phone (909) 746-0840

Fax (909) 877-5468

Enumeration date Sep 2, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

122300000X Dentist Dental Providers · License 33379 (CA) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Other identifiers

Identifier	Type	State	Issuer
G9805401	Other	CA	DELTA DENTAL

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

How do I verify Cathleen Stewart's NPI record?

Cross-check NPI 1982706610 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1982706610 active?

Yes, as of the latest NPPES snapshot, NPI 1982706610 is active (record last updated 2007-07-08).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.