MADELEINE TRAIL
NPI 1821939554
Pharmacist - Solid Organ Transplant in Scottsdale, AZ

NPI Status: Active since April 06, 2026

Contact Information

13400 E SHEA BLVD
SCOTTSDALE, AZ
ZIP 85259
Phone: (480) 301-8000

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

Individual
Female
Pharmacist
Solid Organ Transplant

About MADELEINE TRAIL

This page provides the complete NPI Profile along with additional information for Madeleine Trail, a provider established in Scottsdale, Arizona with a medical specialization in Pharmacist, focusing in solid organ transplant . The healthcare provider is registered in the NPI registry with number 1821939554 assigned on April 2026. The practitioner's primary taxonomy code is 1835S0206X with license number S027126 (AZ). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI: 1821939554
Provider Name: MADELEINE TRAIL
Gender: Female
Entity Type: Individual
Location Address: 13400 E SHEA BLVD SCOTTSDALE, AZ 85259
Location Phone: (480) 301-8000
Mailing Address: 13400 E SHEA BLVD SCOTTSDALE, AZ 85259
Mailing Phone: (480) 301-8000
Is Sole Proprietor?: No
Enumeration Date: 04-06-2026
Last Update Date: 04-06-2026
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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: Pharmacist Solid Organ Transplant
Taxonomy Code: 1835S0206X
Type: Pharmacy Service Providers
License No.: S027126
License State: AZ
Taxonomy Description: A licensed pharmacist who has demonstrated specialized knowledge and skill delivering direct patient care and the safe and effective use of medications for patients in all phases of solid organ transplantation.

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 1821939554, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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 → 4

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

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 2 → 4 9 → 18 → 9 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 8 + 3 + 1 + 8 + 5 + 1 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1821939554.