Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Retina Institute of California Medical Group

Specialist in Palm Desert, CA · enumerated 2015 · authorized official Tom Chang, Founder.

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

National Provider Identifier

1104219286

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Registry record

Entity type Organization (Type 2)

Legal business name Retina Institute of California Medical Group

Practice address 44139 Monterey Ave, Suite A, Palm Desert, CA, 92260

Phone (760) 779-0800

Fax (760) 779-0801

Enumeration date Mar 12, 2015

Last updated in NPPES Mar 12, 2015

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers · License A69909 (CA) Secondary

174400000X Specialist Other Service Providers · License A69909 (CA) Primary

Authorized official

Name Tom Chang

Title Founder

Phone (626) 568-8838

Other identifiers

Identifier	Type	State	Issuer
1760541569	Other	CA	GROUP NPI

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

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Retina Institute of California Medical Group?

Retina Institute of California Medical Group is registered in NPPES as a Specialist (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-12.