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

JOSEPH CASTELLANOS
NPI 1518873629
Student in an Organized Health Care Education/Training Program in Somerville, MA

Active since August 19, 2026
485 FOLEY ST UNIT 557, SOMERVILLE, MA 02145(916) 704-0340 Get Directions Write a Review

NPPES record added: August 19, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Joseph Castellanos NPPES

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

JOSEPH CASTELLANOS (NPI 1518873629) is an individual student in an organized health care education/training program in Somerville, Massachusetts and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1518873629
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameJOSEPH CASTELLANOS
Location Address485 FOLEY ST UNIT 557Somerville, MA 02145-1280
Mailing Address485 Foley St Unit 557Somerville, MA 02145-1280 · (916) 704-0340
Phone(916) 704-0340
Sole ProprietorNo
Enumeration DateAugust 19, 2026
NPPES CertifiedAugust 19, 2026
✔ NPI 1518873629 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.
485 FOLEY ST UNIT 557, Somerville, MA 02145
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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 Joseph Castellanos's NPI number?

The NPI number for Joseph Castellanos is 1518873629. It was assigned to this individual provider in the NPPES registry on August 19, 2026.

Where is Joseph Castellanos located?

Joseph Castellanos practices at 485 Foley St Unit 557, Somerville, MA 02145. The listed phone number is (916) 704-0340.

What is Joseph Castellanos'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 Joseph Castellanos was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.