RAFAEL LEON LCSW
NPI 1881435790
Social Worker in Chicago, IL

NPI Status: Active since June 04, 2024

Contact Information

4150 W 55TH ST
CHICAGO, IL
ZIP 60632
Phone: (312) 747-1020

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  • Individual
  • Male
  • Social Worker

About RAFAEL LEON

This page provides the complete NPI Profile along with additional information for Rafael Leon, a provider established in Chicago, Illinois with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1881435790 assigned on June 2024. The practitioner's primary taxonomy code is 104100000X with license number 150106712 (IL). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1881435790
Provider Name
RAFAEL LEON LCSW
Gender
Male
Entity Type
Individual
Location Address
4150 W 55TH ST CHICAGO, IL 60632
Location Phone
(312) 747-1020
Mailing Address
4150 W 55TH ST CHICAGO, IL 60632
Mailing Phone
(312) 747-1020
Is Sole Proprietor?
No
Enumeration Date
06-04-2024
Last Update Date
06-04-2024
Code Navigator

A social worker like Rafael Leon 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.

Location Map

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.
150106712
License State
IL
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

149026526 (IL)

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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 1881435790, 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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 8 + 3 + 1 + 0 + 7 + 1 + 8 + 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 1881435790.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Counselor (Addiction (Substance Use Disorder))
4150 W 55TH ST
CHICAGO, IL 60632
Student in an Organized Health Care Education/Training Program
4150 W 55TH ST
CHICAGO, IL 60632
Community/Behavioral Health
4150 W 55TH ST
CHICAGO, IL 60632
Psychologist
4150 W 55TH ST
CHICAGO, IL 60632
Case Management
4150 W 55TH ST
CHICAGO, IL 60632
Counselor (Professional)
4150 W 55TH ST
CHICAGO, IL 60632
Counselor (Professional)
4150 W 55TH ST
CHICAGO, IL 60632
Clinic/Center (Mental Health (Including Community Mental Health Center))
4150 W 55TH ST, GREATER LAWN MENTAL HEALTH CENTER
CHICAGO, IL 60632

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881435790, enumerated as an "individual" on June 04, 2024.

The provider is located at 4150 W 55TH ST CHICAGO, IL 60632 and the phone number is (312) 747-1020.

Social Worker with taxonomy code 104100000X.