Rex Hsei, MD

NPI: 1285637157

Rex Hsei, MD

Q: What is Rex Hsei's NPI number?

Rex Hsei's NPI number is 1285637157, a unique 10-digit identifier issued by CMS.

Q: What does Rex Hsei specialize in?

Rex Hsei specializes in Ophthalmology, taxonomy code 207W00000X.

Q: Where does Rex Hsei practice?

Rex Hsei practices in Santa Cruz, CA 95065-1528.

Q: When was Rex Hsei's NPI issued?

Rex Hsei's NPI was issued on May 24, 2005.

Q: What is Rex Hsei's provider type?

Rex Hsei is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderOphthalmology

NPI issued: May 24, 2005

Quick Facts

NPI Number

1285637157

TypeIndividual

StatusActive

SpecialtyOphthalmology

Taxonomy207W00000X — Ophthalmology

Phone

(831) 475-7012

StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1285637157)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (May 24, 2005)

Data source: CMS NPPES

Provider Overview

REX HSEI, MD is a Ophthalmology provider based in Santa Cruz, CA who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1285637157

Provider TypeIndividual Provider

GenderMale

CredentialMD

StatusActive

Enumeration DateMay 24, 2005

Practice Location

CitySanta Cruz

StateCA

ZIP Code95065-1528

Phone(831) 475-7012

Specialties & Licenses

★ Primary

SpecialtyOphthalmology

Taxonomy Code207W00000X

License StateCA

Mailing Address

CitySanta Cruz

StateCA

ZIP Code95065-1528

Phone(831) 475-7012

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1285637157 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 1285637157for 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 1285637157 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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