ZACKARY PAUL MULLEN
NPI 1912860198
Allergy & Immunology - Allergy in Northfield, NJ

NPI Status: Active since December 04, 2025

Contact Information

200 TILTON RD STE 5
NORTHFIELD, NJ
ZIP 08225
Phone: (609) 400-3910

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  • Individual
  • Male
  • Allergy & Immunology
  • Allergy

About ZACKARY MULLEN

This page provides the complete NPI Profile along with additional information for Zackary Mullen, a provider established in Northfield, New Jersey with a medical specialization in Allergy & Immunology, focusing in allergy . The healthcare provider is registered in the NPI registry with number 1912860198 assigned on December 2025. The practitioner's primary taxonomy code is 207KA0200X with license number 25MP00985500 (NJ). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1912860198
Provider Name
ZACKARY PAUL MULLEN
Gender
Male
Entity Type
Individual
Location Address
200 TILTON RD STE 5 NORTHFIELD, NJ 08225
Location Phone
(609) 400-3910
Mailing Address
1023 COURTNEY WAY MOUNT LAUREL, NJ 08054
Is Sole Proprietor?
No
Enumeration Date
12-04-2025
Last Update Date
12-04-2025
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Location Map

Secondary Locations

  • 59 One Mile Rd Ext
    East Windsor, NJ 08520
    (609) 443-4500
  • 4 Paragon Way Ste 300
    Freehold, NJ 07728
    (732) 462-9800

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

Allergy & Immunology Allergy

Taxonomy Code
207KA0200X
Type
Allopathic & Osteopathic Physicians
License No.
25MP00985500
License State
NJ
Taxonomy Description
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

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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 1912860198, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 1 → 2 8 → 16 → 7 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 6 + 6 + 0 + 1 + 1 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1912860198.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Nurse Practitioner (Family)
200 TILTON RD STE 5
NORTHFIELD, NJ 08225

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912860198, enumerated as an "individual" on December 04, 2025.

The provider is located at 200 TILTON RD STE 5 NORTHFIELD, NJ 08225 and the phone number is (609) 400-3910.

Allergy & Immunology with taxonomy code 207KA0200X and a focus in Allergy.