Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allan David Tobias, MD JD

Q: What is the NPI number for Allan Tobias?

The National Provider Identifier (NPI) for Allan Tobias is 1912934993, a Type 1 (individual) record in the CMS NPPES registry.

Urology Physician in Walnut Creek, CA · enumerated 2006.

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

National Provider Identifier

1912934993

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Registry record

Entity type Individual (Type 1)

Name Allan David Tobias

Credential MD JD

Sex Male

Practice address 909 Wiget Lane, Walnut Creek, CA, 94598

Phone (925) 935-5517

Enumeration date Jun 27, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License G10106 (CA) Primary

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

Where does Allan Tobias practice?

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

What is the NPI number for Allan Tobias?

The National Provider Identifier (NPI) for Allan Tobias is 1912934993, a Type 1 (individual) record in the CMS NPPES registry.

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