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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

ISAIAH CASSILLAS
NPI 1255252672
Registered Nurse - Psychiatric/Mental Health in Long Beach, CA

Active since July 22, 2026
2600 REDONDO AVE FL 5, LONG BEACH, CA 90806(844) 562-1212 Get Directions Write a Review

NPPES record added: July 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Isaiah Cassillas NPPES

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

ISAIAH CASSILLAS (NPI 1255252672) is an individual psychiatric/mental health provider in Long Beach, California, licensed in California (95414153) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1255252672
Entity TypeIndividualMale
Primary Taxonomy163WP0808X
Provider Legal NameISAIAH CASSILLAS
Location Address2600 REDONDO AVE FL 5Long Beach, CA 90806-2325
Mailing Address9639 Blackley StTemple City, CA 91780-3852
Phone(844) 562-1212
Sole ProprietorYes
Enumeration DateJuly 22, 2026
NPPES CertifiedJuly 22, 2026
✔ NPI 1255252672 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Psychiatric/Mental HealthNursing Service Providers
Taxonomy Code163WP0808X
License✔ Licensed in CA · 95414153
2600 REDONDO AVE FL 5, Long Beach, CA 90806
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Other Providers at the Same Location NPPES 9

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

ISABELLA HUYNH
Registered Nurse (Psychiatric/Mental Health)
2600 REDONDO AVE FL 5
LONG BEACH, CA 90806
Los Angeles County (844) 562-1212
JINGLE GAMUEDA TORRES RN
Registered Nurse
2600 REDONDO AVE FL 5
LONG BEACH, CA 90806
Los Angeles County (562) 304-1740
MARIA JESELLE URSABIA RN
Registered Nurse
2600 REDONDO AVE FL 5
LONG BEACH, CA 90806
Los Angeles County (844) 562-1212
CLAIRE LIU, M.D., INC.
Psychiatry & Neurology (Psychiatry)
2600 REDONDO AVE FL 5
LONG BEACH, CA 90806
Los Angeles County (310) 853-3981
PRINCE KYLE ESPIRITU CRISOLOGO
Registered Nurse
2600 REDONDO AVE FL 5
LONG BEACH, CA 90806
Los Angeles County (844) 562-1212
ELIEZER NOE LINGAT
Registered Nurse
2600 REDONDO AVE FL 5
LONG BEACH, CA 90806
Los Angeles County (844) 562-1212
STEPHEN S CHOI
Registered Nurse
2600 REDONDO AVE FL 5
LONG BEACH, CA 90806
Los Angeles County (844) 562-1212
MIKAELA NGOZI EMERIBE
Registered Nurse (Psychiatric/Mental Health)
2600 REDONDO AVE FL 5
LONG BEACH, CA 90806
Los Angeles County (844) 562-1212

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 Isaiah Cassillas's NPI number?

The NPI number for Isaiah Cassillas is 1255252672. It was assigned to this individual provider in the NPPES registry on July 22, 2026.

Where is Isaiah Cassillas located?

Isaiah Cassillas practices at 2600 Redondo Ave Fl 5, Long Beach, CA 90806. The listed phone number is (844) 562-1212.

What is Isaiah Cassillas's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, with taxonomy code 163WP0808X.

When was this NPI record last updated?

The NPPES record for Isaiah Cassillas was last updated on July 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.