Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Evan Michael Tobin, D.O.

Emergency Medicine Physician in Santa Rosa, CA · enumerated 2011.

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

National Provider Identifier

1740557511

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Registry record

Entity type Individual (Type 1)

Name Dr. Evan Michael Tobin

Credential D.O.

Sex Male

Practice address Santa Rosa, CA, 95405

Phone (707) 525-5207

Fax (707) 522-1524

Enumeration date Nov 22, 2011

Last updated in NPPES Feb 11, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 20A 11550 (CA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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

Is NPI 1740557511 active?

Yes, as of the latest NPPES snapshot, NPI 1740557511 is active (record last updated 2022-02-11).

How do I verify Evan Tobin's NPI record?

Cross-check NPI 1740557511 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-11.