TRENT MCELROY
NPI 1639866569
Hospitalist in Cottonwood, AZ

NPI Status: Active since April 20, 2023

Contact Information

269 S CANDY LN
COTTONWOOD, AZ
ZIP 86326
Phone: (928) 634-2251

NPI Profile Information
Primary Taxonomy
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Hospitalist

About TRENT MCELROY

This page provides the complete NPI Profile along with additional information for Trent Mcelroy, a provider established in Cottonwood, Arizona with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1639866569 assigned on April 2023. The practitioner's primary taxonomy code is 208M00000X with license number 14280151-1204 (UT). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI: 1639866569
Provider Name: TRENT MCELROY
Gender: Male
Entity Type: Individual
Location Address: 269 S CANDY LN COTTONWOOD, AZ 86326
Location Phone: (928) 634-2251
Mailing Address: PO BOX 27128 SALT LAKE CITY, UT 84127
Is Sole Proprietor?: No
Enumeration Date: 04-20-2023
Last Update Date: 05-07-2026
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Location Map

Secondary Locations

1380 E Medical Center Dr
St George, UT 84790
(435) 688-4700

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification: Hospitalist
Taxonomy Code: 208M00000X
Type: Allopathic & Osteopathic Physicians
License No.: 14280151-1204
License State: UT
Taxonomy Description: 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.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1639866569, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 12 → 1 + 2

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

Check

Target digit

Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 8 → 16 → 7 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 6 + 9 + 1 + 6 + 6 + 1 + 2 + 5 + 1 + 2 + 24 = 71

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9

This NPI is valid

The calculated check digit is 9, which matches the last digit of 1639866569.