NPPES file of Aug 9, 2026

Guadalupe Castillo, RN

Diabetes Educator Registered Nurse · Salinas, CA

Guadalupe Castillo, RN is a diabetes educator registered nurse with a practice address in Salinas, California, and NPI 1215307871, issued on Sep 25, 2015. Check the license (California 21420390, 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
1215307871
Name
Guadalupe Castillo
Credential
RN
Primary taxonomy
Diabetes Educator Registered Nurse 163WD0400X
License numbers
21420390 CA
813611 CA
Self-reported in NPPES; status is on the state search
Practice location
1033 Los Palos Dr, Salinas, CA 93901
Phone
(831) 757-2058
Enumerated
Sep 25, 2015
Record last updated
Sep 25, 2015 (not updated in 11 years: call before relying on the address or phone)
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.
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Also registered at 1033 Los Palos Dr

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

  1. Melanie Allen, CDERegistered Dietitian1053633099
  2. Muneera AtchaRheumatology Physician1154611796
  3. Mario Cole, MDPulmonary Disease Physician1356328991
  4. Rene Colorado, MDNeurology Physician1821350265
  5. Frank Ganzhorn, MDPulmonary Disease Physician1164473807
  6. Kelsey Gray, M.D.Pulmonary Disease Physician1174660450

Verify Guadalupe Castillo 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 21420390
    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.

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Diabetes Educator Registered Nurse providers in California

There are 185 diabetes educator registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other diabetes educator registered nurse records in California

  1. Sarah Aberle, RN, CDEVista, CA1962725218
  2. Rebecca Acuna, RN, CNSLa Jolla, CA1225803570
  3. Abigail Adams, RNMount Shasta, CA1851535199
  4. Julie AdamsValley Center, CA1780468678
  5. Ronald AlcaydeAntioch, CA1306769344
  6. Dayle Aldridge, RN, CDE, MPHIrvine, CA1619400223
  7. Linda Alipuria, RNMission Hills, CA1851528277
  8. Ana Alvarado-Leavitt, RNPorter Ranch, CA1518665041
  9. Wendy AmaroOxnard, CA1396346748
  10. Lisa Andrade, RNFrench Camp, CA1942921028

Common questions

What is Guadalupe Castillo, RN's NPI number?

Guadalupe Castillo, RN's National Provider Identifier (NPI) is 1215307871, issued on Sep 25, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Guadalupe Castillo, RN located?

The NPPES record lists a practice address at 1033 Los Palos Dr, Salinas, CA, 93901. Phone: (831) 757-2058. Providers update this record themselves, so call before visiting.

How can I verify Guadalupe Castillo, RN's license?

NPPES lists California license number 21420390, 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.