Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Barbara Armstrong, NP

Individual provider Nurse Practitioner · NPI 1598908386

Mrs. Barbara Armstrong, NP is a Nurse Practitioner in Santa Maria, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

821 E Chapel St Ste 203
Santa Maria, CA 93454-4617
Phone: (805) 925-5334
Fax: (805) 922-5923
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NPF2403 RN343075 (CA)

Record details

NPI number1598908386
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedApril 9, 2009
Last updated in NPPESApril 9, 2009

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