ISAAC MENDELSOHN LCSW
NPI 1851251417
Social Worker - Clinical in Voorhees, NJ

NPI Status: Active since November 17, 2025

Contact Information

1000 WHITE HORSE RD
VOORHEES, NJ
ZIP 08043
Phone: (856) 866-6331

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  • Individual
  • Male
  • Social Worker
  • Clinical

About ISAAC MENDELSOHN

This page provides the complete NPI Profile along with additional information for Isaac Mendelsohn, a provider established in Voorhees, New Jersey with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1851251417 assigned on November 2025. The practitioner's primary taxonomy code is 1041C0700X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1851251417
Provider Name
ISAAC MENDELSOHN LCSW
Gender
Male
Entity Type
Individual
Location Address
1000 WHITE HORSE RD VOORHEES, NJ 08043
Location Phone
(856) 866-6331
Mailing Address
307 E BETTLEWOOD AVE OAKLYN, NJ 08107
Is Sole Proprietor?
Yes
Enumeration Date
11-17-2025
Last Update Date
11-17-2025
Code Navigator

A clinical social worker like Isaac Mendelsohn is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

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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 1851251417, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
Check
7
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 5 → 10 → 1 2 → 4 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 4 + 5 + 2 + 4 + 2 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1851251417.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Ophthalmology
1000 WHITE HORSE RD, SUITE 106
VOORHEES, NJ 08043
Chiropractor
1000 WHITE HORSE RD, SUITE 702
VOORHEES, NJ 08043
Specialist
1000 WHITE HORSE RD, SUITE 904
VOORHEES, NJ 08043
Chiropractor
1000 WHITE HORSE RD, SUITE 702
VOORHEES, NJ 08043
Obstetrics & Gynecology
1000 WHITE HORSE RD, BLDG 612 GLENDALE EXECUTIVE CAMPUS
VOORHEES, NJ 08043
Obstetrics & Gynecology
1000 WHITE HORSE RD, #502
VOORHEES, NJ 08043
Dentist (General Practice)
1000 WHITE HORSE RD, SUITE 908
VOORHEES, NJ 08043
Dentist (General Practice)
1000 WHITE HORSE RD, SUITE 908
VOORHEES, NJ 08043
Dentist (General Practice)
1000 WHITE HORSE RD, SUITE 302
VOORHEES, NJ 08043
Surgery (Vascular Surgery)
1000 WHITE HORSE RD, SUITE 703
VOORHEES, NJ 08043
Dentist (General Practice)
1000 WHITE HORSE RD, SUITE 302
VOORHEES, NJ 08043
Dentist (Periodontics)
1000 WHITE HORSE RD, SUITE 916
VOORHEES, NJ 08043
Family Medicine
1000 WHITE HORSE RD, SUITE 806
VOORHEES, NJ 08043
Counselor (Pastoral)
1000 WHITE HORSE RD
VOORHEES, NJ 08043
Marriage & Family Therapist
1000 WHITE HORSE RD, SUITE 108
VOORHEES, NJ 08043
Social Worker (Clinical)
1000 WHITE HORSE RD, SUITE 408, GLENDALE EXECUTIVE CAMPUS
VOORHEES, NJ 08043
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1000 WHITE HORSE RD, GLENDALE EXECUTIVE CAMPUS SUITE 802
VOORHEES, NJ 08043
Dietitian, Registered
1000 WHITE HORSE RD, STE 902 GLENDALE EXECUTIVE CAMPUS
VOORHEES, NJ 08043
Physical Therapist
1000 WHITE HORSE RD
VOORHEES, NJ 08043
Clinic/Center
1000 WHITE HORSE RD, SUITE 902
VOORHEES, NJ 08043

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851251417, enumerated as an "individual" on November 17, 2025.

The provider is located at 1000 WHITE HORSE RD VOORHEES, NJ 08043 and the phone number is (856) 866-6331.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.