KARIN LUK LICSW
NPI 1427675982
Social Worker in Chicago, IL

NPI Status: Active since July 01, 2020

Contact Information

300 W ADAMS ST STE 514
CHICAGO, IL
ZIP 60606
Phone: (312) 578-9990

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  • Individual
  • Female
  • Social Worker

About KARIN LUK

This page provides the complete NPI Profile along with additional information for Karin Luk, a provider established in Chicago, Illinois with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1427675982 assigned on July 2020. The practitioner's primary taxonomy code is 104100000X with license number LC200002428 (DC). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1427675982
Provider Name
KARIN LUK LICSW
Gender
Female
Entity Type
Individual
Location Address
300 W ADAMS ST STE 514 CHICAGO, IL 60606
Location Phone
(312) 578-9990
Mailing Address
3525 DAVENPORT ST NW APT 509 WASHINGTON, DC 20008
Is Sole Proprietor?
Yes
Enumeration Date
07-01-2020
Last Update Date
09-10-2025
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A social worker like Karin Luk 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.
LC200002428
License State
DC
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 1427675982, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 2 → 4 6 → 12 → 3 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 + 4 + 4 + 7 + 1 + 2 + 7 + 1 + 0 + 9 + 1 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1427675982.

Other Providers at the Same Location


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

Community Health Worker
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Mental Health)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Professional)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Professional)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Professional)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Psychologist (Clinical)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Professional)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Professional)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Social Worker (Clinical)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Professional)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Professional)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Professional)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Mental Health)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Social Worker (Clinical)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Social Worker
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Social Worker (Clinical)
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Marriage & Family Therapist
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor
300 W ADAMS ST STE 514
CHICAGO, IL 60606
Counselor (Mental Health)
300 W ADAMS ST STE 514
CHICAGO, IL 60606

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427675982, enumerated as an "individual" on July 01, 2020.

The provider is located at 300 W ADAMS ST STE 514 CHICAGO, IL 60606 and the phone number is (312) 578-9990.

Social Worker with taxonomy code 104100000X.