MRS. HILARY M DAVIS
NPI 1841334059
Counselor - Professional in Vernon Hills, IL
NPI Status: Active since February 19, 2007
Contact Information
200 N FAIRWAY DR
SUITE 208
VERNON HILLS, IL
ZIP 60061
Phone: (773) 450-4541
Fax: (773) 996-6665
- Individual
- Female
- Counselor
- Professional
About HILARY DAVIS
This page provides the complete NPI Profile along with additional information for Hilary Davis, a provider established in Vernon Hills, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1841334059 assigned on February 2007. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1841334059
- Provider Name
- MRS. HILARY M DAVIS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 200 N FAIRWAY DR SUITE 208 VERNON HILLS, IL 60061
- Location Phone
- (773) 450-4541
- Location Fax
- (773) 996-6665
- Mailing Address
- 200 N FAIRWAY DR SUITE 208 VERNON HILLS, IL 60061
- Mailing Phone
- (773) 450-4541
- Mailing Fax
- (773) 996-6665
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-19-2007
- 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
Counselor Professional
- Taxonomy Code
- 101YP2500X
- Type
- Behavioral Health & Social Service Providers
- 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 | 106H00000X | Behavioral Health & Social Service Providers | Marriage & Family Therapist | (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 1841334059, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 15 providers are registered at the same or a nearby location.
VERNON HILLS, IL 60061
VERNON HILLS, IL 60061
VERNON HILLS, IL 60061
VERNON HILLS, IL 60061
VERNON HILLS, IL 60061
VERNON HILLS, IL 60061
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1841334059, enumerated as an "individual" on February 19, 2007.
The provider is located at 200 N FAIRWAY DR SUITE 208 VERNON HILLS, IL 60061 and the phone number is (773) 450-4541.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
