Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Carl Mack Massengale II, CSA

Surgical Assistant in Muldrow, OK · enumerated 2011.

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

National Provider Identifier

1326332834

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Registry record

Entity type Individual (Type 1)

Name Mr. Carl Mack Massengale II

Credential CSA

Sex Male

Practice address Muldrow, OK, 74948

Phone (479) 883-7286

Enumeration date Jun 1, 2011

Last updated in NPPES Aug 19, 2014

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

246ZC0007X Surgical Assistant Technologists, Technicians & Other Technical Service Providers Primary

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 the NPI number for Carl Massengale?

The National Provider Identifier (NPI) for Carl Massengale is 1326332834, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carl Massengale practice?

The practice location on file with NPPES is in Muldrow, OK. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-19.