DAVID A GERST DPM SC
NPI 1518240126
Podiatrist - Foot & Ankle Surgery in Chicago, IL

NPI Status: Active since September 21, 2011

Contact Information

1516 E 87TH ST
CHICAGO, IL
ZIP 60619
Phone: (773) 375-7106
Fax: (773) 359-2659

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  • Organization
  • Podiatrist
  • Foot & Ankle Surgery

About DAVID A GERST DPM SC

This page provides the complete NPI Profile along with additional information for David A Gerst Dpm Sc, a provider established in Chicago, Illinois operating as a Podiatrist, focusing in foot & ankle surgery . The healthcare provider is registered in the NPI registry with number 1518240126 assigned on September 2011. The practitioner's primary taxonomy code is 213ES0103X with license number 016005412 (IL). The provider is registered as an organization and their NPI record was last updated 7 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 Dr. David Gerst Dpm (President)

NPI
1518240126
Provider Name
DAVID A GERST DPM SC
Entity Type
Organization
Location Address
1516 E 87TH ST CHICAGO, IL 60619
Location Phone
(773) 375-7106
Location Fax
(773) 359-2659
Mailing Address
1516 E 87TH ST CHICAGO, IL 60619
Mailing Phone
(773) 375-1706
Mailing Fax
(773) 359-2659
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-21-2011
Last Update Date
09-10-2019
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Location Map

Secondary Locations

  • 2315 E 93rd St Suite 419
    Chicago, IL 60617
    (773) 375-1706
  • 10002 S Kedzie Ave
    Evergreen Park, IL 60805
    (708) 422-4300

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 Foot & Ankle Surgery

Taxonomy Code
213ES0103X
Type
Podiatric Medicine & Surgery Service Providers
License No.
016005412
License State
IL

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

DR. DAVID GERST DPM

Authorized Official Title
PRESIDENT
Authorized Official Phone
(708) 422-4300

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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 1518240126, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
5
Unchanged
Pos 3
1
Doubled → 2
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
6
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 1 → 2 2 → 4 0 → 0 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 2 + 8 + 4 + 4 + 0 + 1 + 4 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1518240126.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Podiatrist (Foot & Ankle Surgery)
1516 E 87TH ST
CHICAGO, IL 60619
Podiatrist
1516 E 87TH ST
CHICAGO, IL 60619
Podiatrist (Foot & Ankle Surgery)
1516 E 87TH ST
CHICAGO, IL 60619
Podiatrist
1516 E 87TH ST
CHICAGO, IL 60619
Durable Medical Equipment & Medical Supplies
1516 E 87TH ST
CHICAGO, IL 60619

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518240126, enumerated as an "organization" on September 21, 2011.

The provider is located at 1516 E 87TH ST CHICAGO, IL 60619 and the phone number is (773) 375-7106.

Podiatrist with taxonomy code 213ES0103X and a focus in Foot & Ankle Surgery.