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

MASON CASTRO
NPI 1356265102
Hearing Instrument Specialist in Niles, MI

Active since August 05, 2026
24 N SAINT JOSEPH AVE, NILES, MI 49120(269) 683-0800 Get Directions Write a Review

NPPES record added: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mason Castro NPPES

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

MASON CASTRO (NPI 1356265102) is an individual hearing instrument specialist in Niles, Michigan and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1356265102
Entity TypeIndividualMale
Primary Taxonomy237700000X
Provider Legal NameMASON CASTRO
Location Address24 N SAINT JOSEPH AVENiles, MI 49120-2263
Mailing Address24 N Saint Joseph AveNiles, MI 49120-2263
Phone(269) 683-0800
Sole ProprietorNo
Enumeration DateAugust 5, 2026
NPPES CertifiedAugust 5, 2026
✔ NPI 1356265102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHearing Instrument SpecialistSpeech, Language and Hearing Service Providers
Taxonomy Code237700000X
Definition
Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society
24 N SAINT JOSEPH AVE, Niles, MI 49120
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Other Providers at the Same Location NPPES 12

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

DOUGLAS TACKET DO PLLC
Family Medicine
24 N SAINT JOSEPH AVE, SUITE G
NILES, MI 49120
Berrien County (269) 684-5002
DR. MICHAEL L FLEWELLING DDS
Dentist (General Practice)
24 N SAINT JOSEPH AVE, SUITE E-2
NILES, MI 49120
Berrien County (269) 683-4180
GREATER NILES CARDIOLOGY PC
Internal Medicine (Cardiovascular Disease)
24 N SAINT JOSEPH AVE, SUITE F1
NILES, MI 49120
Berrien County (269) 687-9575
MR. JOE FRANCISCO MSW, LCSW
Social Worker (Clinical)
24 N SAINT JOSEPH AVE, SUITE G
NILES, MI 49120
Berrien County (269) 684-6870
CARDIOVASCULAR DISEASES OF NILES, P.C.
Internal Medicine (Cardiovascular Disease)
24 N SAINT JOSEPH AVE, SUITE A
NILES, MI 49120
Berrien County (269) 683-1120
MIKE FLEWELLING DDS PLC
Dentist (General Practice)
24 N SAINT JOSEPH AVE, SUITE E-2
NILES, MI 49120
Berrien County (269) 683-4180
STEPHANIE MARIE MANN
Social Worker (Clinical)
24 N SAINT JOSEPH AVE
NILES, MI 49120
Berrien County (269) 684-4270
WEST MICHIGAN HEARING SPECIALISTS LLC
Audiologist-Hearing Aid Fitter
24 N SAINT JOSEPH AVE, SUITE C-1
NILES, MI 49120
Berrien County (269) 683-0800

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 Mason Castro's NPI number?

The NPI number for Mason Castro is 1356265102. It was assigned to this individual provider in the NPPES registry on August 5, 2026.

Where is Mason Castro located?

Mason Castro practices at 24 N Saint Joseph Ave, Niles, MI 49120. The listed phone number is (269) 683-0800.

What is Mason Castro's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

When was this NPI record last updated?

The NPPES record for Mason Castro was last updated on August 5, 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.