CASTLE BLACK HOLDINGS
NPI 1356281844
Licensed Practical Nurse in Wilmington, NC
NPI Status: Active since April 01, 2026
Contact Information
1121 SWEETSHRUB CT
WILMINGTON, NC
ZIP 28409
Phone: (910) 524-4889
- Organization
- Licensed Practical Nurse
About CASTLE BLACK HOLDINGS
This page provides the complete NPI Profile along with additional information for Castle Black Holdings, a provider established in Wilmington, North Carolina operating as a Licensed Practical Nurse. The healthcare provider is registered in the NPI registry with number 1356281844 assigned on April 2026. The practitioner's primary taxonomy code is 164W00000X. The provider is registered as an organization and their NPI record was last updated April 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Charles Black (Owner)
- NPI
- 1356281844
- Provider Name
- CASTLE BLACK HOLDINGS
- Entity Type
- Organization
- Location Address
- 1121 SWEETSHRUB CT WILMINGTON, NC 28409
- Location Phone
- (910) 524-4889
- Mailing Address
- 1121 SWEETSHRUB CT WILMINGTON, NC 28409
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 04-01-2026
- Last Update Date
- 04-01-2026
- 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
Licensed Practical Nurse
- Taxonomy Code
- 164W00000X
- Type
- Nursing Service Providers
- Taxonomy Description
- A licensed practical nurse with post-high school vocational training and practical experience in the provision of nursing care at a level less than that required for certification as a Registered Nurse. Requirements for education, experience, licensure, and job responsibilities vary among the states.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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 1356281844, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
WILMINGTON, NC 28409
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1356281844, enumerated as an "organization" on April 01, 2026.
The provider is located at 1121 SWEETSHRUB CT WILMINGTON, NC 28409 and the phone number is (910) 524-4889.
Licensed Practical Nurse with taxonomy code 164W00000X.
