MS. HANNAH CHOJNACKI LCPC, ATR
NPI 1750008264
Counselor - Professional in Chicago, IL

NPI Status: Active since October 25, 2022

Contact Information

2310 W ROOSEVELT RD
CHICAGO, IL
ZIP 60608
Phone: (312) 257-7692

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  • Individual
  • Female
  • Counselor
  • Professional

About HANNAH CHOJNACKI

This page provides the complete NPI Profile along with additional information for Hannah Chojnacki, a provider established in Chicago, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1750008264 assigned on October 2022. The practitioner's primary taxonomy code is 101YP2500X with license number 180.012797 (IL). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1750008264
Provider Name
MS. HANNAH CHOJNACKI LCPC, ATR
Gender
Female
Entity Type
Individual
Location Address
2310 W ROOSEVELT RD CHICAGO, IL 60608
Location Phone
(312) 257-7692
Mailing Address
2310 W ROOSEVELT RD CHICAGO, IL 60608
Mailing Phone
(312) 257-7692
Is Sole Proprietor?
Yes
Enumeration Date
10-25-2022
Last Update Date
10-25-2022
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
180.012797
License State
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 1750008264, we treat the final digit (4) 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 4).

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
7
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
0
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 0 → 0 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 0 + 0 + 0 + 0 + 1 + 6 + 2 + 1 + 2 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1750008264.

Other Providers at the Same Location


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

Clinic/Center (Federally Qualified Health Center (FQHC))
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Counselor (Professional)
2310 W ROOSEVELT RD, SUITE 201
CHICAGO, IL 60608
Social Worker (Clinical)
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Social Worker (Clinical)
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Counselor
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Counselor (Mental Health)
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Social Worker
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Social Worker
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Social Worker
2310 W ROOSEVELT RD, 2ND FLOOR
CHICAGO, IL 60608
Counselor (Mental Health)
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Case Manager/Care Coordinator
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Social Worker
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Counselor (Mental Health)
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Counselor
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Social Worker
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Social Worker (Clinical)
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Social Worker
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Counselor (Mental Health)
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Counselor (Professional)
2310 W ROOSEVELT RD
CHICAGO, IL 60608
Counselor (Mental Health)
2310 W ROOSEVELT RD
CHICAGO, IL 60608

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1750008264, enumerated as an "individual" on October 25, 2022.

The provider is located at 2310 W ROOSEVELT RD CHICAGO, IL 60608 and the phone number is (312) 257-7692.

Counselor with taxonomy code 101YP2500X and a focus in Professional.