Eugene Chang, MD

NPI: 1265432991

Eugene Chang, MD

Q: What is Eugene Chang's NPI number?

Eugene Chang's NPI number is 1265432991, a unique 10-digit identifier issued by CMS.

Q: What does Eugene Chang specialize in?

Eugene Chang specializes in Ophthalmology, taxonomy code 207W00000X.

Q: Where does Eugene Chang practice?

Eugene Chang practices in Buena Park, CA 90621-5500.

Q: When was Eugene Chang's NPI issued?

Eugene Chang's NPI was issued on July 22, 2005.

Q: What is Eugene Chang's provider type?

Eugene Chang is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderOphthalmology

NPI issued: July 22, 2005

Quick Facts

NPI Number

1265432991

TypeIndividual

StatusActive

SpecialtyOphthalmology

Taxonomy207W00000X — Ophthalmology

Phone

(714) 228-1888

StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1265432991)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (July 22, 2005)

Data source: CMS NPPES

Provider Overview

EUGENE CHANG, MD is a Ophthalmology provider based in Buena Park, CA who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1265432991

Provider TypeIndividual Provider

GenderMale

CredentialMD

StatusActive

Enumeration DateJuly 22, 2005

Practice Location

CityBuena Park

StateCA

ZIP Code90621-5500

Phone(714) 228-1888

Specialties & Licenses

★ Primary

SpecialtyOphthalmology

Taxonomy Code207W00000X

License StateCA

Mailing Address

CityBuena Park

StateCA

ZIP Code90621-5500

Phone(714) 228-1888

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1265432991 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1265432991for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1265432991 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Ophthalmology

Specialists in Ophthalmology provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.

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