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

Karla Castro, FNP

Individual provider Nurse Practitioner · NPI 1922513050

Karla Castro, FNP is a Nurse Practitioner in Walnut Creek, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2017
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

1981 N Broadway Ste 200
Walnut Creek, CA 94596-3872
Phone: (925) 287-8777
Show map & directions

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

Additional practice locations (1)

  • 2500 Alhambra Ave, Martinez, CA 94553-3156 — (925) 890-6433

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 95008130 (CA)

Record details

NPI number1922513050
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedDecember 12, 2017
Last updated in NPPESMarch 17, 2018
Mailing address1713 Lindenwood Dr, Concord, CA 94521-1132

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