DR. BOURKE L FIRFER MD
NPI 1174641328
Pathology - Immunopathology in Chicago, IL
NPI Status: Active since March 26, 2007
Contact Information
1901 W HARRISON ST
DEPT OF PATHOLOGY
CHICAGO, IL
ZIP 60612
Phone: (312) 864-7517
- Individual
- Male
- Pathology
- Immunopathology
About BOURKE FIRFER
This page provides the complete NPI Profile along with additional information for Bourke Firfer, a provider established in Chicago, Illinois with a medical specialization in Pathology, focusing in immunopathology . The healthcare provider is registered in the NPI registry with number 1174641328 assigned on March 2007. The practitioner's primary taxonomy code is 207ZI0100X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1174641328
- Provider Name
- DR. BOURKE L FIRFER MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1901 W HARRISON ST DEPT OF PATHOLOGY CHICAGO, IL 60612
- Location Phone
- (312) 864-7517
- Mailing Address
- 5415 N SHERIDAN RD #3602 CHICAGO, IL 60640
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-26-2007
- Last Update Date
- 09-11-2025
- 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
Pathology Immunopathology
- Taxonomy Code
- 207ZI0100X
- Type
- Allopathic & Osteopathic Physicians
- License State
- IL
- Taxonomy Description
- A pathologist who specializes in the diagnosis of immunologic diseases.
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 | 207ZP0102X | Allopathic & Osteopathic Physicians | Pathology | (IL) |
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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 1174641328, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).
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 52 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 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1174641328, enumerated as an "individual" on March 26, 2007.
The provider is located at 1901 W HARRISON ST DEPT OF PATHOLOGY CHICAGO, IL 60612 and the phone number is (312) 864-7517.
Pathology with taxonomy code 207ZI0100X and a focus in Immunopathology.
