Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Martha Jean O'Brien, MS SLP/CCC

Speech-Language Pathologist in Farmville, VA · enumerated 2005 · practices at Southside Therapy Associates, Inc..

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

National Provider Identifier

1669465456

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Registry record

Entity type Individual (Type 1)

Name Mrs. Martha Jean O'Brien

Credential MS SLP/CCC

Sex Female

Practice address 1412 W 3rd St, Farmville, VA, 23901

Phone (434) 392-1596

Fax (434) 392-5201

Enumeration date Aug 26, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 2202001292 (VA) Primary

Other identifiers

Identifier	Type	State	Issuer
3182528	Other	VA	AETNA
65549	Other	VA	SOUTHERN HEALTH
2111268	Other	VA	MAMSI
21148	Other	VA	UNICARE
14190	Other	VA	OPTIMA HEALTH
23591	Other	VA	CARE NET
386774	Other	VA	BLUE CROSS BLUE SHIELD

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.

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Frequently asked questions

What is the NPI number for Martha O'Brien?

The National Provider Identifier (NPI) for Martha O'Brien is 1669465456, a Type 1 (individual) record in the CMS NPPES registry.

Where does Martha O'Brien practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.