CONOR O'HALLORAN
NPI 1265894141
Pediatrics - Pediatric Cardiology in Chicago, IL
NPI Status: Active since March 22, 2016
Contact Information
225 E CHICAGO AVE
CHICAGO, IL
ZIP 60611
Phone: (800) 543-7362
- Individual
- Male
- Pediatrics
- Pediatric Cardiology
About CONOR O'HALLORAN
This page provides the complete NPI Profile along with additional information for Conor O'halloran, a pediatrician established in Chicago, Illinois with a medical specialization in Pediatrics, focusing in pediatric cardiology . The healthcare provider is registered in the NPI registry with number 1265894141 assigned on March 2016. The practitioner's primary taxonomy code is 2080P0202X with license number 036148582 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1265894141
- Provider Name
- CONOR O'HALLORAN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 225 E CHICAGO AVE CHICAGO, IL 60611
- Location Phone
- (800) 543-7362
- Mailing Address
- 225 E CHICAGO AVE CHICAGO, IL 60611
- Mailing Phone
- (800) 543-7362
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-22-2016
- Last Update Date
- 07-22-2025
- Code Navigator
A pediatrician like Conor O'halloran is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.
Location Map
Secondary Locations
- 1620 W Harrison St
Chicago, IL 60612
(312) 227-4000 - 2515 N Clark St
Chicago, IL 60614
(312) 227-4100 - 251 E Huron St
Chicago, IL 60611
(312) 227-4100
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
Pediatrics Pediatric Cardiology
- Taxonomy Code
- 2080P0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 036148582
- License State
- IL
- Taxonomy Description
- A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
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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 1265894141, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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 69 is 70. 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 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1265894141, enumerated as an "individual" on March 22, 2016.
The provider is located at 225 E CHICAGO AVE CHICAGO, IL 60611 and the phone number is (800) 543-7362.
Pediatrics with taxonomy code 2080P0202X and a focus in Pediatric Cardiology.
