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NPISignal

Individual Healthcare Provider

Aileen May Arguelles Del Castillo, MD

NPI Record: ActiveHospitalist
NPI1205068749
Riverton, Utah

Provider's NPPES record last updated: April 8, 2026

Overview

Entity Type
Individual Healthcare Provider
NPI
1205068749
Primary Specialty
Hospitalist
Practice Location
Riverton, Utah
Sole Proprietor
No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 18, 2026, 1:59 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Hospitalist

    Allopathic & Osteopathic Physicians

    Primary

    Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

    Taxonomy code 208M00000X
  • Internal Medicine

    Allopathic & Osteopathic Physicians

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Taxonomy code 207R00000X

Provider-Reported License Information

Hospitalist (Utah)
9740415-1205
Internal Medicine (Utah)
9740415-1205
Internal Medicine (Michigan)
4301094111
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

3723 W 12600 S

Riverton, Utah 84065-7295

Phone: (801) 507-4384

Additional Practice Location

5505 S 900 E Ste 240

Murray, Utah 84117-7210

Phone: (801) 783-5011

Additional Practice Location

615 S Bower St

Greenville, Michigan 48838-2614

Phone: (616) 754-4691

Fax: (616) 754-3828

Record Information

Enumeration Date
August 18, 2009
Provider's NPPES Record Last Updated
April 8, 2026
Certification Date
April 8, 2026
NPISignal NPPES Dataset
August 2026

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