CALVERT C WILLIAMS SR.
NPI 1124710108
Counselor in Chicago, IL
NPI Status: Active since May 25, 2023
Contact Information
1525 E 53RD ST
CHICAGO, IL
ZIP 60615
Phone: (773) 906-6690
- Individual
- Male
- Counselor
About CALVERT WILLIAMS
This page provides the complete NPI Profile along with additional information for Calvert Williams, a provider established in Chicago, Illinois with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1124710108 assigned on May 2023. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and his NPI record was last updated 3 years ago. Calvert Williams operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.
- NPI
- 1124710108
- Provider Name
- CALVERT C WILLIAMS SR.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1525 E 53RD ST CHICAGO, IL 60615
- Location Phone
- (773) 906-6690
- Mailing Address
- 1525 E 53RD ST CHICAGO, IL 60615
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-25-2023
- Last Update Date
- 06-19-2023
- 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
- Taxonomy Code
- 101Y00000X
- Type
- Behavioral Health & Social Service Providers
- Taxonomy Description
- A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1124710108, 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 42. The final step is to find the difference between that total and the next multiple of ten (50 - 42 = 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 42 is 50. 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 60615
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124710108, enumerated as an "individual" on May 25, 2023.
The provider is located at 1525 E 53RD ST CHICAGO, IL 60615 and the phone number is (773) 906-6690.
Counselor with taxonomy code 101Y00000X.
