FLEXIBLE MIND COUNSELING PLLC
NPI 1639930639
Counselor - Professional in Chicago, IL

NPI Status: Active since January 17, 2024

Contact Information

661 W LAKE ST STE 2S
CHICAGO, IL
ZIP 60661
Phone: (773) 236-1785

NPI Profile Information
Primary Taxonomy
Group Taxonomy
Authorized Official
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Organization
Counselor
Professional

About FLEXIBLE MIND COUNSELING PLLC

This page provides the complete NPI Profile along with additional information for Flexible Mind Counseling Pllc, a provider established in Chicago, Illinois operating as a Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1639930639 assigned on January 2024. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an organization and their NPI record was last updated 2 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Katherine E Lenahan Lcpc (Owner And Clinical Therapist)

NPI: 1639930639
Provider Name: FLEXIBLE MIND COUNSELING PLLC
Entity Type: Organization
Location Address: 661 W LAKE ST STE 2S CHICAGO, IL 60661
Location Phone: (773) 236-1785
Mailing Address: 661 W LAKE ST STE 2S CHICAGO, IL 60661
Mailing Phone: (773) 236-1785
Is Sole Proprietor?: No
Is Organization Subpart?: No
Enumeration Date: 01-17-2024
Last Update Date: 01-17-2024
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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

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name: KATHERINE E LENAHAN LCPC
Authorized Official Title: OWNER AND CLINICAL THERAPIST
Authorized Official Phone: (773) 236-1785

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 1639930639, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 6

Check

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 9 → 18 → 9 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 1 + 8 + 3 + 0 + 6 + 6 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9

This NPI is valid

The calculated check digit is 9, which matches the last digit of 1639930639.