NPPES file of Aug 9, 2026

Ruben Caballero, NP

Family Nurse Practitioner · Martinez, CA

Ruben Caballero, NP is a family nurse practitioner with a practice address in Martinez, California, and NPI 1891870879, issued on Oct 26, 2006. Check the license (California RN443158, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891870879
Name
Ruben Caballero
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN443158 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 Alhambra Avenue, Martinez, CA 94553
Phone
(925) 370-5110
Enumerated
Oct 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 370-5142
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2500 Alhambra Avenue

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aneela Ahmed, MDPsychiatry Physician1568545317
  2. Fred Beck, MDFamily Medicine Physician1447348891
  3. Christina Berger, NPFamily Nurse Practitioner1821157959
  4. Frank Camodeca, DDSDentist1366539116
  5. James Carpenter, MD MPHPediatrics Physician1679643589
  6. Domenic Cavallaro, DDSDentist1053407056

Verify Ruben Caballero in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RN443158
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

46 family nurse practitioner records list a practice address in Martinez

They are 46 of the 1,816 NPPES records with a practice address in Martinez, and 16,966 family nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other family nurse practitioner records in California

  1. Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
  2. Joshua AaronMission Hills, CA1477291805
  3. Orly Aaron, NPSan Francisco, CA1376912451
  4. Paris Gilbert Russ AaronSacramento, CA1871079111
  5. Tiffanne Aaronsen, FNPIndio, CA1568191807
  6. Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
  7. Frances Abad, FNPLos Angeles, CA1053504514
  8. Nnenna AbaezeLong Beach, CA1457820763
  9. Raymond Abagat, FNPTorrance, CA1306685821
  10. Ashley AbalCastaic, CA1740140698

Common questions

What is Ruben Caballero, NP's NPI number?

Ruben Caballero, NP's National Provider Identifier (NPI) is 1891870879, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ruben Caballero, NP located?

The NPPES record lists a practice address at 2500 Alhambra Avenue, Martinez, CA, 94553. Phone: (925) 370-5110. Providers update this record themselves, so call before visiting.

How can I verify Ruben Caballero, NP's license?

NPPES lists California license number RN443158, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.