DR. JACOB DIAZ DPM
NPI 1922801067
Podiatrist - Foot & Ankle Surgery in Chicago, IL
NPI Status: Active since March 31, 2025
Contact Information
836 W WELLINGTON AVE
CHICAGO, IL
ZIP 60657
Phone: (708) 304-9700
- Individual
- Male
- Podiatrist
- Foot & Ankle Surgery
About JACOB DIAZ
This page provides the complete NPI Profile along with additional information for Jacob Diaz, a provider established in Chicago, Illinois with a medical specialization in Podiatrist, focusing in foot & ankle surgery . The healthcare provider is registered in the NPI registry with number 1922801067 assigned on March 2025. The practitioner's primary taxonomy code is 213ES0103X with license number 135.001250 (IL). The provider is registered as an individual and his NPI record was last updated one year 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.
- NPI
- 1922801067
- Provider Name
- DR. JACOB DIAZ DPM
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 836 W WELLINGTON AVE CHICAGO, IL 60657
- Location Phone
- (708) 304-9700
- Mailing Address
- 836 W WELLINGTON AVE CHICAGO, IL 60657
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-31-2025
- Last Update Date
- 06-17-2025
- Code Navigator
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 Foot & Ankle Surgery
- Taxonomy Code
- 213ES0103X
- Type
- Podiatric Medicine & Surgery Service Providers
- License No.
- 135.001250
- License State
- IL
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program |
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.
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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 1922801067, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 53 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
CHICAGO, IL 60657
CHICAGO, IL 60657
CHICAGO, IL 60657
CHICAGO, IL 60657
CHICAGO, IL 60657
CHICAGO, IL 60657
CHICAGO, IL 60657
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1922801067, enumerated as an "individual" on March 31, 2025.
The provider is located at 836 W WELLINGTON AVE CHICAGO, IL 60657 and the phone number is (708) 304-9700.
Podiatrist with taxonomy code 213ES0103X and a focus in Foot & Ankle Surgery.
