Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Arizona Epilepsy Associates, LLC

Neurology Physician in Tempe, AZ · enumerated 2020 · authorized official Hussam Seif-Eddeine, Owner.

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

National Provider Identifier

1861024184

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Registry record

Entity type Organization (Type 2)

Legal business name Arizona Epilepsy Associates, LLC

Practice address 1976 E Baseline Rd Suite 101, Tempe, AZ, 85283

Phone (480) 939-3037

Fax (480) 939-3173

Enumeration date Feb 5, 2020

Last updated in NPPES May 5, 2021

Taxonomy & classification

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Hussam Seif-Eddeine

Title Owner

Phone (480) 939-3037

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 Arizona Epilepsy Associates, LLC?

Arizona Epilepsy Associates, LLC is registered in NPPES as a Neurology Physician (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-05.