DR. JULIA RUTH CHASE DNP, APRN, AGCNS-BC
NPI 1609793645
Clinical Nurse Specialist - Acute Care in Phoenix, AZ

NPI Status: Active since July 01, 2026

Contact Information

5777 E MAYO BLVD
PHOENIX, AZ
ZIP 85054
Phone: (480) 574-2237

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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
Clinical Nurse Specialist
Acute Care

About JULIA CHASE

This page provides the complete NPI Profile along with additional information for Julia Chase, a provider established in Phoenix, Arizona with a medical specialization in Clinical Nurse Specialist, focusing in acute care . The healthcare provider is registered in the NPI registry with number 1609793645 assigned on July 2026. The practitioner's primary taxonomy code is 364SA2100X with license number 299193 (AZ). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI: 1609793645
Provider Name: DR. JULIA RUTH CHASE DNP, APRN, AGCNS-BC
Gender: Female
Entity Type: Individual
Location Address: 5777 E MAYO BLVD PHOENIX, AZ 85054
Location Phone: (480) 574-2237
Mailing Address: 8056 E REDBERRY MESA, AZ 85207
Mailing Phone: (480) 574-2237
Is Sole Proprietor?: No
Enumeration Date: 07-01-2026
Last Update Date: 07-01-2026
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A Clinical Nurse Specialist (CNS) like Julia Chase is a type of advanced practice registered nurse (APRN) that provides direct patient care in various nursing specialties, including pediatrics or psychiatric-mental health. CNSs collaborate with other nurses and medical professionals to improve patient care quality. CNSs are often positioned in leadership roles where they may provide education and mentorship to other nursing personnel. Additionally, CNSs may also conduct research and advocate for certain healthcare policies.

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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: Clinical Nurse Specialist Acute Care
Taxonomy Code: 364SA2100X
Type: Physician Assistants & Advanced Practice Nursing Providers
License No.: 299193
License State: AZ

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 1609793645, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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 → 0

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 8

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 0 → 0 7 → 14 → 5 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 1 + 4 + 9 + 6 + 6 + 8 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1609793645.