HORIZON FOOT AND ANKLE SPECIALISTS OF ILLINOIS PLLC
NPI 1821929464
Podiatrist in West Chicago, IL

NPI Status: Active since May 25, 2026

Contact Information

1213 JOLIET ST STE C
WEST CHICAGO, IL
ZIP 60185
Phone: (630) 276-3831

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  • Organization
  • Podiatrist

About HORIZON FOOT AND ANKLE SPECIALISTS OF ILLINOIS PLLC

This page provides the complete NPI Profile along with additional information for Horizon Foot And Ankle Specialists Of Illinois Pllc, a provider established in West Chicago, Illinois operating as a Podiatrist. The healthcare provider is registered in the NPI registry with number 1821929464 assigned on May 2026. The practitioner's primary taxonomy code is 213E00000X. The provider is registered as an organization and their NPI record was last updated May 2026. 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 Syed Adnan Ali Dpm (Podiatrist)

NPI
1821929464
Provider Name
HORIZON FOOT AND ANKLE SPECIALISTS OF ILLINOIS PLLC
Entity Type
Organization
Location Address
1213 JOLIET ST STE C WEST CHICAGO, IL 60185
Location Phone
(630) 276-3831
Mailing Address
1213 JOLIET ST STE C WEST CHICAGO, IL 60185
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-25-2026
Last Update Date
05-25-2026
Code Navigator

A podiatrist like Horizon Foot And Ankle Specialists Of Illinois Pllc provides medical and surgical care for people with foot, ankle, and lower leg issues. Podiatrists treat foot and ankle ailments like calluses, ingrown toenails, heel spurs, arthritis, congenital foot deformities, foot problems associated with diabetes and arch problems.

Location Map

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

Podiatrist

Taxonomy Code
213E00000X
Type
Podiatric Medicine & Surgery Service Providers
Taxonomy Description
A podiatrist is a person qualified by a Doctor of Podiatric Medicine (D.P.M.) degree, licensed by the state, and practicing within the scope of that license. Podiatrists diagnose and treat foot diseases and deformities. They perform medical, surgical and other operative procedures, prescribe corrective devices and prescribe and administer drugs and physical therapy.

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

SYED ADNAN ALI DPM

Authorized Official Title
PODIATRIST
Authorized Official Phone
(630) 276-3831

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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 1821929464, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
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 2 → 4 9 → 18 → 9 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 8 + 2 + 1 + 8 + 4 + 1 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1821929464.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821929464, enumerated as an "organization" on May 25, 2026.

The provider is located at 1213 JOLIET ST STE C WEST CHICAGO, IL 60185 and the phone number is (630) 276-3831.

Podiatrist with taxonomy code 213E00000X.