RACHAEL HILLYER
NPI 1114861291
Registered Nurse in Chicago, IL
NPI Status: Active since April 17, 2026
Contact Information
5841 S MARYLAND AVE
CHICAGO, IL
ZIP 60637
Phone: (888) 824-0200
- Individual
- Female
- Registered Nurse
About RACHAEL HILLYER
This page provides the complete NPI Profile along with additional information for Rachael Hillyer, a provider established in Chicago, Illinois with a medical specialization in Registered Nurse. The healthcare provider is registered in the NPI registry with number 1114861291 assigned on April 2026. The practitioner's primary taxonomy code is 163W00000X with license number 041523903 (IL). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1114861291
- Provider Name
- RACHAEL HILLYER
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 5841 S MARYLAND AVE CHICAGO, IL 60637
- Location Phone
- (888) 824-0200
- Mailing Address
- 13032 SUNNY DAWN CT SAINT LOUIS, MO 63127
- Mailing Phone
- (314) 809-2959
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-17-2026
- Last Update Date
- 04-17-2026
- Code Navigator
A registered nurse (RN) like Rachael Hillyer coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.
Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.
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
Registered Nurse
- Taxonomy Code
- 163W00000X
- Type
- Nursing Service Providers
- License No.
- 041523903
- License State
- IL
- Taxonomy Description
- (1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
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 | 2021004569 (MO) |
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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 1114861291, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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 59 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 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1114861291, enumerated as an "individual" on April 17, 2026.
The provider is located at 5841 S MARYLAND AVE CHICAGO, IL 60637 and the phone number is (888) 824-0200.
Registered Nurse with taxonomy code 163W00000X.
