Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Empire Physicians Medical Group

Health Maintenance Organization in Palm Desert, CA · enumerated 2006 · authorized official Yvonne Sonnenberg, Executive Director.

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

National Provider Identifier

1750454260

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Registry record

Entity type Organization (Type 2)

Legal business name Empire Physicians Medical Group

Practice address 34160 Gateway Dr Ste 100, Palm Desert, CA, 92211

Phone (760) 770-8678

Fax (760) 770-7609

Enumeration date Nov 15, 2006

Last updated in NPPES Mar 6, 2013

Taxonomy & classification

302R00000X Health Maintenance Organization Managed Care Organizations · License FNP28851 (CA) Primary

Authorized official

Name Yvonne Sonnenberg

Title Executive Director

Phone (760) 770-8678

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 is Empire Physicians Medical Group located?

The practice location on file with NPPES is in Palm Desert, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2013-03-06. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Steven Dorfman Gastroenterology Physician · Palm Desert, CA NPI 1528110608

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-03-06.