ALIZAH DEMCZAK
NPI 1700355484
Counselor - Professional in Tenafly, NJ

NPI Status: Active since November 25, 2018

Contact Information

337 ENGLE ST
TENAFLY, NJ
ZIP 07670
Phone: (516) 298-3625

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  • Individual
  • Female
  • Counselor
  • Professional

About ALIZAH DEMCZAK

This page provides the complete NPI Profile along with additional information for Alizah Demczak, a provider established in Tenafly, New Jersey with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1700355484 assigned on November 2018. The practitioner's primary taxonomy code is 101YP2500X with license number 37PC00635300 (NJ). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1700355484
Provider Name
ALIZAH DEMCZAK
Gender
Female
Entity Type
Individual
Location Address
337 ENGLE ST TENAFLY, NJ 07670
Location Phone
(516) 298-3625
Mailing Address
337 ENGLE ST TENAFLY, NJ 07670
Mailing Phone
(516) 298-3625
Is Sole Proprietor?
Yes
Enumeration Date
11-25-2018
Last Update Date
08-30-2021
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
37PC00635300
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 1700355484, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
0
Doubled → 0
Pos 4
0
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 3 → 6 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 6 + 5 + 1 + 0 + 4 + 1 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1700355484.

Other Providers at the Same Location


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

Social Worker (Clinical)
337 ENGLE ST
TENAFLY, NJ 07670
Social Worker (Clinical)
337 ENGLE ST
TENAFLY, NJ 07670

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700355484, enumerated as an "individual" on November 25, 2018.

The provider is located at 337 ENGLE ST TENAFLY, NJ 07670 and the phone number is (516) 298-3625.

Counselor with taxonomy code 101YP2500X and a focus in Professional.