MAGGIE KOLLMAR
NPI 1831995430
Counselor - Mental Health in Princeton, NJ

NPI Status: Active since February 24, 2025

Contact Information

5 VAUGHN DRIVE, SUITE 108
PRINCETON, NJ
ZIP 08540
Phone: (732) 393-8391
Fax: (732) 561-1721

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  • Individual
  • Female
  • Counselor
  • Mental Health

About MAGGIE KOLLMAR

This page provides the complete NPI Profile along with additional information for Maggie Kollmar, a provider established in Princeton, New Jersey with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1831995430 assigned on February 2025. The practitioner's primary taxonomy code is 101YM0800X with license number 37AC00854700 (NJ). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1831995430
Provider Name
MAGGIE KOLLMAR
Gender
Female
Entity Type
Individual
Location Address
5 VAUGHN DRIVE, SUITE 108 PRINCETON, NJ 08540
Location Phone
(732) 393-8391
Location Fax
(732) 561-1721
Mailing Address
2 PARAGON WAY, SUITE 800 FREEHOLD, NJ 07728
Mailing Phone
(732) 393-8391
Mailing Fax
(732) 561-1721
Is Sole Proprietor?
No
Enumeration Date
02-24-2025
Last Update Date
02-24-2025
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A mental health counselor like Maggie Kollmar provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

Secondary Locations

  • 2 Paragon Way, Suite 800
    Freehold, NJ 07728
    (732) 393-8391

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
37AC00854700
License State
NJ

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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 1831995430, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
0
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 3 → 6 9 → 18 → 9 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 1 + 8 + 9 + 1 + 0 + 4 + 6 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1831995430.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Counselor (Professional)
5 VAUGHN DRIVE, SUITE 108
PRINCETON, NJ 08540
Social Worker (Clinical)
5 VAUGHN DRIVE, SUITE 108
PRINCETON, NJ 08540

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831995430, enumerated as an "individual" on February 24, 2025.

The provider is located at 5 VAUGHN DRIVE, SUITE 108 PRINCETON, NJ 08540 and the phone number is (732) 393-8391.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.