CRYSTAL A HERMANN
NPI 1184554784
Technician, Pathology - Phlebotomy in Tempe, AZ

NPI Status: Active since May 23, 2026

Contact Information

64 E BROADWAY RD STE 200
TEMPE, AZ
ZIP 85282
Phone: (520) 208-8534

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Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

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

Individual
Female
Technician, Pathology
Phlebotomy

About CRYSTAL HERMANN

This page provides the complete NPI Profile along with additional information for Crystal Hermann, a provider established in Tempe, Arizona with a medical specialization in Technician, Pathology, focusing in phlebotomy . The healthcare provider is registered in the NPI registry with number 1184554784 assigned on May 2026. The practitioner's primary taxonomy code is 246RP1900X. The provider is registered as an individual and her NPI record was last updated May 2026.

NPI: 1184554784
Provider Name: CRYSTAL A HERMANN
Gender: Female
Entity Type: Individual
Location Address: 64 E BROADWAY RD STE 200 TEMPE, AZ 85282
Location Phone: (520) 208-8534
Mailing Address: 8889 E BELL RD STE 205 SCOTTSDALE, AZ 85260
Mailing Phone: (520) 208-8534
Is Sole Proprietor?: No
Enumeration Date: 05-23-2026
Last Update Date: 05-23-2026
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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: Technician, Pathology Phlebotomy
Taxonomy Code: 246RP1900X
Type: Technologists, Technicians & Other Technical Service Providers

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 1184554784, 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 → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

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 8 → 16 → 7 5 → 10 → 1 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 6 + 4 + 1 + 0 + 5 + 8 + 7 + 1 + 6 + 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 1184554784.