Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Barbara S. Oliver

Occupational Therapy Assistant in Tulsa, OK · enumerated 2011.

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

National Provider Identifier

1144597220

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Registry record

Entity type Individual (Type 1)

Name Ms. Barbara S. Oliver

Sex Female

Practice address 1404 E 37th St, Tulsa, OK, 74105

Phone (918) 810-7607

Enumeration date Nov 17, 2011

Last updated in NPPES Nov 17, 2011

Taxonomy & licenses

224Z00000X Occupational Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2248 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
2248	Medicaid	CA	-

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

How do I verify Barbara Oliver's NPI record?

Cross-check NPI 1144597220 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1144597220 active?

Yes, as of the latest NPPES snapshot, NPI 1144597220 is active (record last updated 2011-11-17).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-17.