LOGAN SQUARE FOOT CENTER
NPI 1841389830
Clinic/Center - Podiatric in Chicago, IL

NPI Status: Active since October 11, 2006

Contact Information

2831 N MILWAUKEE AVE.
CHICAGO, IL
ZIP 60618
Phone: (773) 772-4440
Fax: (773) 772-4461

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  • Organization
  • Clinic/Center
  • Podiatric
  • CLIA Number: 14D0724414
  • CLIA Cert. Type: End Stage Renal Disease Dialysis Facility
  • CLIA Exp. Date: 08-31-2026

About LOGAN SQUARE FOOT CENTER

This page provides the complete NPI Profile along with additional information for Logan Square Foot Center, a provider established in Chicago, Illinois operating as a Clinic/center, focusing in podiatric . The healthcare provider is registered in the NPI registry with number 1841389830 assigned on October 2006. The practitioner's primary taxonomy code is 261QP1100X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The authorized official of this NPI record is Dr. Garry S Isenstadt D.p.m. (Director)

NPI
1841389830
Provider Name
LOGAN SQUARE FOOT CENTER
Entity Type
Organization
Location Address
2831 N MILWAUKEE AVE. CHICAGO, IL 60618
Location Phone
(773) 772-4440
Location Fax
(773) 772-4461
Mailing Address
2831 N MILWAUKEE AVE CHICAGO, IL 60618
Mailing Phone
(773) 772-4440
Mailing Fax
(773) 772-4461
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-11-2006
Last Update Date
08-22-2020
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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

Clinic/Center Podiatric

Taxonomy Code
261QP1100X
Type
Ambulatory Health Care Facilities
License State
IL

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

DR. GARRY S ISENSTADT D.P.M.

Authorized Official Title
DIRECTOR
Authorized Official Phone
(773) 772-4440

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
14D0724414
Facility Type
End Stage Renal Disease Dialysis Facility
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
KAP J. NO MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Logan Square Foot Center to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1841389830, 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 80. The final step is to find the difference between that total and the next multiple of ten (80 - 80 = 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
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
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 4 → 8 3 → 6 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 6 + 8 + 1 + 8 + 8 + 6 + 24 = 80

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

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

80 - 80 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1841389830.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841389830, enumerated as an "organization" on October 11, 2006.

The provider is located at 2831 N MILWAUKEE AVE. CHICAGO, IL 60618 and the phone number is (773) 772-4440.

Clinic/Center with taxonomy code 261QP1100X and a focus in Podiatric.