Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Northstar Anesthesia of Wisconsin LLC

Anesthesiology Physician in Middleton, WI · enumerated 2026 · authorized official Joshua Lumbley, President.

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

National Provider Identifier

1538018445

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Registry record

Entity type Organization (Type 2)

Legal business name Northstar Anesthesia of Wisconsin LLC

Practice address 8124 Forsythia St, Middleton, WI, 53562

Phone (608) 234-7436

Enumeration date Jan 23, 2026

Last updated in NPPES Feb 23, 2026

Taxonomy & classification

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians Primary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers Secondary

Authorized official

Name Joshua Lumbley

Title President

Phone (617) 935-5799

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 Northstar Anesthesia of Wisconsin LLC?

Northstar Anesthesia of Wisconsin LLC is registered in NPPES as a Anesthesiology 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-23.