Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Anesthesia Providers, Prof. LLC

Q: What is the NPI number for Anesthesia Providers, Prof. LLC?

The NPI for Anesthesia Providers, Prof. LLC is 1346775657, a Type 2 (organization) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in Sioux Falls, SD · enumerated 2017 · authorized official Timothy Masselink, President/Ceo.

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

National Provider Identifier

1346775657

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Registry record

Entity type Organization (Type 2)

Legal business name Anesthesia Providers, Prof. LLC

Practice address 7023 S High Cross Trl, Sioux Falls, SD, 57108

Phone (605) 261-5258

Enumeration date Apr 24, 2017

Last updated in NPPES Apr 24, 2017

Taxonomy & classification

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License CR000632 (SD) Primary

Authorized official

Name Timothy Masselink

Title President/Ceo

Phone (605) 261-5258

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

Who is the authorized official for Anesthesia Providers, Prof. LLC?

NPPES lists Timothy Masselink (President/Ceo) as the authorized official for this organization.

What is the NPI number for Anesthesia Providers, Prof. LLC?

The NPI for Anesthesia Providers, Prof. LLC is 1346775657, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-04-24.