1. Home
  2. Directory
  3. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TROADIO BUENAVENTURA CASTRO M.D.
NPI 1598726820
Radiologic Technologist - Radiography in Tamuning, GU

Active since March 28, 2006
548 SOUTH MARINE CORPS DRIVE, TAMUNING, GU 96913(671) 646-5824(671) 646-0786 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Troadio Buenaventura Castro M.d. NPPES

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

DR. TROADIO BUENAVENTURA CASTRO M.D. (NPI 1598726820) is an individual radiography provider in Tamuning, Guam, licensed in Guam (M000966) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1598726820
Entity TypeIndividualMale
Primary Taxonomy2471C3402X
Provider Legal NameDR. TROADIO BUENAVENTURA CASTROCredential: M.D.
Location Address548 SOUTH MARINE CORPS DRIVETamuning, GU 96913
Mailing AddressPo Box 6578Tamuning, GU 96931-6578 · (671) 646-6956 · Fax (671) 647-3546
Phone(671) 646-5824
Fax(671) 646-0786
Sole ProprietorNo
Enumeration DateMarch 28, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1598726820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiologic Technologist · RadiographyTechnologists, Technicians & Other Technical Service Providers
Taxonomy Code2471C3402X
License✔ Licensed in GU · M000966
Definition
A radiologic technologist who specializes in radiography (also known as x-rays) and is appropriately educated and trained, consistent with nationally recognized standards, state statute, and facility policy in performance of radiographs, exam techniques, equipment protocols, radiation safety, and patient care.

Other Providers at the Same Location NPPES 16

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

DR. DENNIS ANTONIO A SARMIENTO M.D.
Pediatrics
548 SOUTH MARINE CORPS DRIVE
TAMUNING, GU 96913
Guam (671) 646-5825
MR. WALTER EDWARD STRATTON PA-C
Physician Assistant
548 SOUTH MARINE CORPS DRIVE
TAMUNING, GU 96913
Guam (671) 646-5824
DR. DAVID MICHAEL MUDD M.D.
Radiologic Technologist (Radiography)
548 SOUTH MARINE CORPS DRIVE
TAMUNING, GU 96913
Guam (671) 646-5824
TAKECARE INSURANCE COMPANY INC
Durable Medical Equipment & Medical Supplies (Parenteral & Enteral Nutrition)
548 SOUTH MARINE CORPS DRIVE
TAMUNING, GU 96913
Guam (671) 646-5825
DR. MARIA EDNA VILLACORTA SANTOS M.D.
Specialist
548 SOUTH MARINE CORPS DRIVE
TAMUNING, GU 96913
Guam (671) 646-5824
MRS. CATHLEEN A. DISTOR CNM
Advanced Practice Midwife
548 SOUTH MARINE CORPS DRIVE
TAMUNING, GU 96913
Guam (671) 646-5824
MR. JAY JOSEPH MCDONALD O.D.
Optometrist
548 SOUTH MARINE CORPS DRIVE
TAMUNING, GU 96913
Guam (671) 646-5824
DR. JAMES GREGORY FLEMING M.D.
Specialist
548 SOUTH MARINE CORPS DRIVE
TAMUNING, GU 96913
Guam (671) 646-5824

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 Troadio Castro's NPI number?

The NPI number for Troadio Castro is 1598726820. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Where is Troadio Castro located?

Troadio Castro practices at 548 South Marine Corps Drive, Tamuning, GU 96913. The listed phone number is (671) 646-5824.

What is Troadio Castro's specialty?

The primary specialty registered for this NPI is Radiologic Technologist, specializing in Radiography, with taxonomy code 2471C3402X.

When was this NPI record last updated?

The NPPES record for Troadio Castro was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.