ANDREW MATTHEW KOWALCZYK APRN
NPI 1235954728
Nurse Practitioner - Pediatrics in Chicago, IL
NPI Status: Active since November 19, 2024
Contact Information
737 N MICHIGAN AVE STE 820
CHICAGO, IL
ZIP 60611
Phone: (312) 202-0300
- Individual
- Male
- Nurse Practitioner
- Pediatrics
About ANDREW KOWALCZYK
This page provides the complete NPI Profile along with additional information for Andrew Kowalczyk, a provider established in Chicago, Illinois with a medical specialization in Nurse Practitioner, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1235954728 assigned on November 2024. The practitioner's primary taxonomy code is 363LP0200X with license number 209029192 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1235954728
- Provider Name
- ANDREW MATTHEW KOWALCZYK APRN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 737 N MICHIGAN AVE STE 820 CHICAGO, IL 60611
- Location Phone
- (312) 202-0300
- Mailing Address
- 235 W VAN BUREN ST UNIT 2607 CHICAGO, IL 60607
- Mailing Phone
- (773) 814-0238
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-19-2024
- Last Update Date
- 03-04-2025
- Code Navigator
A nurse practitioner (NP) like Andrew Kowalczyk is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
Location Map
Secondary Locations
- 9119 S Exchange Ave
Chicago, IL 60617
(773) 768-5000
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
Nurse Practitioner Pediatrics
- Taxonomy Code
- 363LP0200X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 209029192
- 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 | 163W00000X | Nursing Service Providers | Registered Nurse | 0414153938 (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 1235954728, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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 72 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
CHICAGO, IL 60611
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1235954728, enumerated as an "individual" on November 19, 2024.
The provider is located at 737 N MICHIGAN AVE STE 820 CHICAGO, IL 60611 and the phone number is (312) 202-0300.
Nurse Practitioner with taxonomy code 363LP0200X and a focus in Pediatrics.
