Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Miss Maria Isabelle Santos Tuohy, D.D.S.

General Practice Dentistry in Newark, CA · enumerated 2008.

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

National Provider Identifier

1306098694

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Registry record

Entity type Individual (Type 1)

Name Miss Maria Isabelle Santos Tuohy

Credential D.D.S.

Sex Female

Practice address 5270 Newpark Plaza, Newark, CA, 94560

Phone (510) 791-8118

Fax (510) 797-8881

Enumeration date Oct 17, 2008

Last updated in NPPES Apr 11, 2018

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 57550 (CA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

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 Maria Isabelle Tuohy's NPI record?

Cross-check NPI 1306098694 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1306098694 active?

Yes, as of the latest NPPES snapshot, NPI 1306098694 is active (record last updated 2018-04-11).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-04-11.