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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ALEJANDRO CASELIS
NPI 1811739436
Student in an Organized Health Care Education/Training Program in Ontario, CA

Active since June 12, 2024
1556 S SULTANA AVE, ONTARIO, CA 91761(909) 418-6923(909) 418-6937 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 29, 2026, May 28, 2025, Feb 25, 2025 and 1 more (4 updates tracked since 2024).

About Alejandro Caselis NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEJANDRO CASELIS (NPI 1811739436) is an individual student in an organized health care education/training program in Ontario, California and active in the NPI registry since June 2024. He maintains a secondary practice location in Duarte.

NPPES Registry Identity

NPI1811739436
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameALEJANDRO CASELIS
Location Address1556 S SULTANA AVEOntario, CA 91761-4238
Mailing Address1556 S Sultana AveOntario, CA 91761-4238 · (909) 418-6923 · Fax (909) 418-6937
Phone(909) 418-6923
Fax(909) 418-6937
Sole ProprietorNo
Enumeration DateJune 12, 2024
Last NPPES UpdateJuly 29, 20264 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1811739436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
Also ListedRehabilitation PractitionerTaxonomy 225400000X
1556 S SULTANA AVE, Ontario, CA 91761
Open in Google Maps ↗

Secondary Practice Location 1

Location 12502 Huntington DrDuarte, CA 91010-2221 · Phone (626) 263-9133

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LESLIE SAMANTHA MORENO
Student in an Organized Health Care Education/Training Program
1556 S SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923
ALEXANDRIA ROSE HARVEY
Student in an Organized Health Care Education/Training Program
1556 S SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923
JENNIFER MICHAELS
Student in an Organized Health Care Education/Training Program
1556 S SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923
VANESSA QUINONES
Student in an Organized Health Care Education/Training Program
1556 S SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923
CASSANDRA CASTELLANO BECERRA
Student in an Organized Health Care Education/Training Program
1556 S SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923
ALEXANDRIA NOELLE KORHELY-DAY
Student in an Organized Health Care Education/Training Program
1556 S SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923
VICTORIA VALENZUELA
Student in an Organized Health Care Education/Training Program
1556 S SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923
MR. VICTOR R SANCHEZ JR.
Student in an Organized Health Care Education/Training Program
1556 S SULTANA AVE
ONTARIO, CA 91761
San Bernardino County (909) 418-6923

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alejandro Caselis's NPI number?

The NPI number for Alejandro Caselis is 1811739436. It was assigned to this individual provider in the NPPES registry on June 12, 2024.

Where is Alejandro Caselis located?

Alejandro Caselis practices at 1556 S Sultana Ave, Ontario, CA 91761. The listed phone number is (909) 418-6923.

What is Alejandro Caselis's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Alejandro Caselis was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.