Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Northwest Vascular Specialists, LLC

Vascular Surgery Physician in Springfield, OR · enumerated 2023 · authorized official Craig Seidman, President.

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

National Provider Identifier

1548947211

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Registry record

Entity type Organization (Type 2)

Legal business name Northwest Vascular Specialists, LLC

Practice address 1 Hayden Bridge Way Ste B, Springfield, OR, 97477

Phone (541) 868-9880

Enumeration date Jul 3, 2023

Last updated in NPPES Aug 8, 2023

Taxonomy & classification

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Craig Seidman

Title President

Phone (541) 868-9880

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 type of organization is Northwest Vascular Specialists, LLC?

Northwest Vascular Specialists, LLC is registered in NPPES as a Vascular Surgery Physician (its primary provider taxonomy).

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.

Providers at this address

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Craig Seidman Vascular Surgery Physician · Springfield, OR NPI 1811926223

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-08.