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

Mrs. Kathy A O'Brien, CD(DONA) HBHI,HD

Doula in Fort Worth, TX · enumerated 2009.

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

National Provider Identifier

1639403256

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mrs. Kathy A O'Brien

Credential CD(DONA) HBHI,HD

Sex Female

Practice address Fort Worth, TX, 76110

Phone (817) 924-1773

Fax (817) 924-1773

Enumeration date Sep 29, 2009

Last updated in NPPES Sep 29, 2009

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

Taxonomy & licenses

374J00000X Doula Nursing Service Related Providers · License 525 (TX) 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

How do I verify Kathy O'Brien's NPI record?

Cross-check NPI 1639403256 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1639403256 active?

Yes, as of the latest NPPES snapshot, NPI 1639403256 is active (record last updated 2009-09-29).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-29.