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

Ruben Caballero, NP

Individual provider Family Nurse Practitioner · NPI 1891870879

Ruben Caballero, NP is a Family Nurse Practitioner in Martinez, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

2500 Alhambra Avenue Contra Costa Regional Medical Center And Health Centers
Martinez, CA 94553-3156
Phone: (925) 370-5110
Fax: (925) 370-5142
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN443158 (CA)

Record details

NPI number1891870879
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedOctober 26, 2006
Last updated in NPPESJuly 8, 2007
Mailing address50 Douglas Drive, Suite 391 Health Services Administration, Martinez, CA 94553-4098

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