JACLYNN SUZANNE CHAPMAN LCSW, CADC
NPI 1336600212
Social Worker - Clinical in Northbrook, IL

NPI Status: Active since March 25, 2019

Contact Information

4201 LAKE COOK RD
NORTHBROOK, IL
ZIP 60062
Phone: (999) 999-9999

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  • Individual
  • Female
  • Social Worker
  • Clinical

About JACLYNN CHAPMAN

This page provides the complete NPI Profile along with additional information for Jaclynn Chapman, a provider established in Northbrook, Illinois with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1336600212 assigned on March 2019. The practitioner's primary taxonomy code is 1041C0700X with license number 149.022620 (IL). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1336600212
Provider Name
JACLYNN SUZANNE CHAPMAN LCSW, CADC
Gender
Female
Entity Type
Individual
Location Address
4201 LAKE COOK RD NORTHBROOK, IL 60062
Location Phone
(999) 999-9999
Mailing Address
110 WAKEFIELD LN GENEVA, IL 60134
Is Sole Proprietor?
Yes
Enumeration Date
03-25-2019
Last Update Date
02-24-2026
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A clinical social worker like Jaclynn Chapman 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
License No.
149.022620
License State
IL
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.

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)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

33984 (IL)
2104100000XBehavioral Health & Social Service Providers

Social Worker

150.102834 (IL)
31041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

SW25005 (FL)

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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 1336600212, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
Check
2
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 6 → 12 → 3 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 1 + 2 + 0 + 0 + 2 + 2 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1336600212.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
4201 LAKE COOK RD
NORTHBROOK, IL 60062
Counselor (Mental Health)
4201 LAKE COOK RD
NORTHBROOK, IL 60062
Counselor (Mental Health)
4201 LAKE COOK RD
NORTHBROOK, IL 60062
Social Worker
4201 LAKE COOK RD
NORTHBROOK, IL 60062
Dietitian, Registered
4201 LAKE COOK RD
NORTHBROOK, IL 60062
Dietitian, Registered
4201 LAKE COOK RD
NORTHBROOK, IL 60062
Dietitian, Registered
4201 LAKE COOK RD
NORTHBROOK, IL 60062
Psychologist (School)
4201 LAKE COOK RD
NORTHBROOK, IL 60062

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336600212, enumerated as an "individual" on March 25, 2019.

The provider is located at 4201 LAKE COOK RD NORTHBROOK, IL 60062 and the phone number is (999) 999-9999.

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