Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Vivian W. Salazar

Internal Medicine Physician in Lake Forest, IL · enumerated 2006.

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

National Provider Identifier

1184704595

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Registry record

Entity type Individual (Type 1)

Name Vivian W. Salazar

Sex Female

Practice address 915 S Waukegan Rd Ste 200, Lake Forest, IL, 60045

Phone (847) 234-8866

Fax (847) 234-4682

Enumeration date Oct 17, 2006

Last updated in NPPES May 25, 2023

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036-081456 (IL) Primary

Other identifiers

Identifier	Type	State	Issuer
036081456	Medicaid	IL	-

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 1184704595 active?

Yes, as of the latest NPPES snapshot, NPI 1184704595 is active (record last updated 2023-05-25).

How do I verify Vivian Salazar's NPI record?

Cross-check NPI 1184704595 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Michael Sommerfeld Internal Medicine Physician · Lake Forest, IL NPI 1578547063 Barry Levin Internal Medicine Physician · Lake Forest, IL NPI 1043324254

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-25.