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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ALYSSA VALENTINE CASTELEIRO
NPI 1386551836
Student in an Organized Health Care Education/Training Program in Fairfield, CA

Active since August 27, 2026
4820 BUSINESS CENTER DR STE 210, FAIRFIELD, CA 94534(707) 224-8266 Get Directions Write a Review

NPPES record added: August 27, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Alyssa Valentine Casteleiro NPPES

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

ALYSSA VALENTINE CASTELEIRO (NPI 1386551836) is an individual student in an organized health care education/training program in Fairfield, California and active in the NPI registry since August 2026. She maintains a secondary practice location in Napa.

NPPES Registry Identity

NPI1386551836
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameALYSSA VALENTINE CASTELEIRO
Location Address4820 BUSINESS CENTER DR STE 210Fairfield, CA 94534-1696
Mailing Address603 Norton StTravis Afb, CA 94535-1357 · (912) 666-0578
Phone(707) 224-8266
Sole ProprietorNo
Enumeration DateAugust 27, 2026
NPPES CertifiedAugust 27, 2026
✔ NPI 1386551836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
4820 BUSINESS CENTER DR STE 210, Fairfield, CA 94534
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Secondary Practice Location 1

Location 12310 1st StNapa, CA 94559-2239 · Phone (707) 224-8266

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.

MATTHEW RYAN JEZIERSKI LMFT
Marriage & Family Therapist
4820 BUSINESS CENTER DR STE 210
FAIRFIELD, CA 94534
Solano County (707) 224-8266
ALDEA INC
Community/Behavioral Health
4820 BUSINESS CENTER DR STE 210
FAIRFIELD, CA 94534
Solano County (707) 425-9670
KALI SANGERVASI LMFT
Marriage & Family Therapist
4820 BUSINESS CENTER DR STE 210
FAIRFIELD, CA 94534
Solano County (707) 977-8603
ERICA KATHERINE STITH
Counselor (Mental Health)
4820 BUSINESS CENTER DR STE 210
FAIRFIELD, CA 94534
Solano County (707) 224-8266
AMY DANIELLE VANEGAS
Case Manager/Care Coordinator
4820 BUSINESS CENTER DR STE 210
FAIRFIELD, CA 94534
Solano County (707) 977-5573
KATHLEEN BELLI
Counselor (Professional)
4820 BUSINESS CENTER DR STE 210
FAIRFIELD, CA 94534
Solano County (707) 224-8266
ANNALEE JANINE RIVAS
Student in an Organized Health Care Education/Training Program
4820 BUSINESS CENTER DR STE 210
FAIRFIELD, CA 94534
Solano County (707) 224-8266
DR. KRISTEN NICOLE MEYERS PSY.D.
Psychologist (Clinical)
4820 BUSINESS CENTER DR STE 210
FAIRFIELD, CA 94534
Solano County (707) 224-8266

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 Alyssa Casteleiro's NPI number?

The NPI number for Alyssa Casteleiro is 1386551836. It was assigned to this individual provider in the NPPES registry on August 27, 2026.

Where is Alyssa Casteleiro located?

Alyssa Casteleiro practices at 4820 Business Center Dr Ste 210, Fairfield, CA 94534. The listed phone number is (707) 224-8266.

What is Alyssa Casteleiro'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 Alyssa Casteleiro was last updated on August 27, 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.