ASHLEY TRAN KUSTAS PNP
NPI 1871428649
Nurse Practitioner - Pediatrics in Mountainside, NJ

NPI Status: Active since June 15, 2026

Contact Information

150 NEW PROVIDENCE RD
MOUNTAINSIDE, NJ
ZIP 07092
Phone: (888) 244-5373

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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
Nurse Practitioner
Pediatrics

About ASHLEY KUSTAS

This page provides the complete NPI Profile along with additional information for Ashley Kustas, a provider established in Mountainside, New Jersey with a medical specialization in Nurse Practitioner, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1871428649 assigned on June 2026. The practitioner's primary taxonomy code is 363LP0200X with license number 383734 (NY). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI: 1871428649
Provider Name: ASHLEY TRAN KUSTAS PNP
Gender: Female
Entity Type: Individual
Location Address: 150 NEW PROVIDENCE RD MOUNTAINSIDE, NJ 07092
Location Phone: (888) 244-5373
Mailing Address: 260 HICKORY LN MOUNTAINSIDE, NJ 07092
Mailing Phone: (972) 904-7577
Is Sole Proprietor?: No
Enumeration Date: 06-15-2026
Last Update Date: 06-15-2026
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A nurse practitioner (NP) like Ashley Kustas is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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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: Nurse Practitioner Pediatrics
Taxonomy Code: 363LP0200X
Type: Physician Assistants & Advanced Practice Nursing Providers
License No.: 383734
License State: NY

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 1871428649, 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 → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 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 7 → 14 → 5 4 → 8 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 8 + 2 + 1 + 6 + 6 + 8 + 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 1871428649.