MARGARET HORWITZ LMSW
NPI 1184404980
Social Worker in Brooklyn, NY

NPI Status: Active since September 29, 2023

Contact Information

557 KOSCIUSZKO ST APT 2D
BROOKLYN, NY
ZIP 11221
Phone: (224) 522-3226

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  • Individual
  • Female
  • Social Worker

About MARGARET HORWITZ

This page provides the complete NPI Profile along with additional information for Margaret Horwitz, a provider established in Brooklyn, New York with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1184404980 assigned on September 2023. The practitioner's primary taxonomy code is 104100000X with license number 109101 (NY). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1184404980
Provider Name
MARGARET HORWITZ LMSW
Gender
Female
Entity Type
Individual
Location Address
557 KOSCIUSZKO ST APT 2D BROOKLYN, NY 11221
Location Phone
(224) 522-3226
Mailing Address
557 KOSCIUSZKO ST APT 2D BROOKLYN, NY 11221
Is Sole Proprietor?
Yes
Enumeration Date
09-29-2023
Last Update Date
09-29-2023
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A social worker like Margaret Horwitz helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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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

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
109101
License State
NY
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

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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 1184404980, 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
1
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 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 8 → 16 → 7 4 → 8 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 6 + 4 + 8 + 0 + 8 + 9 + 1 + 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 1184404980.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184404980, enumerated as an "individual" on September 29, 2023.

The provider is located at 557 KOSCIUSZKO ST APT 2D BROOKLYN, NY 11221 and the phone number is (224) 522-3226.

Social Worker with taxonomy code 104100000X.