NTDU CONSULTING INC.
NPI 1699627505
Day Training, Developmentally Disabled Services in Staten Island, NY
NPI Status: Active since February 12, 2026
Contact Information
391 DURANT AVE # 1
STATEN ISLAND, NY
ZIP 10308
Phone: (929) 327-3261
- Organization
- Day Training, Developmentally Disabled S...
About NTDU CONSULTING INC.
This page provides the complete NPI Profile along with additional information for Ntdu Consulting Inc., a provider established in Staten Island, New York operating as a Day Training, Developmentally Disabled Services. The healthcare provider is registered in the NPI registry with number 1699627505 assigned on February 2026. The practitioner's primary taxonomy code is 251C00000X. The provider is registered as an organization and their NPI record was last updated February 2026. The authorized official of this NPI record is Natalia Trandafir (Owner)
- NPI
- 1699627505
- Provider Name
- NTDU CONSULTING INC.
- Entity Type
- Organization
- Location Address
- 391 DURANT AVE # 1 STATEN ISLAND, NY 10308
- Location Phone
- (929) 327-3261
- Mailing Address
- 391 DURANT AVE # 1 STATEN ISLAND, NY 10308
- Mailing Phone
- (929) 327-3261
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 02-12-2026
- Last Update Date
- 02-12-2026
- 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
Day Training, Developmentally Disabled Services
- Taxonomy Code
- 251C00000X
- Type
- Agencies
- Taxonomy Description
- These agencies are authorized to provide day habilitation services to developmentally disabled individuals who live in their homes. The function of day habilitation is to assist an individual to acquire and maintain those life skills that enable the individual to cope more effectively with the demands of independent living. Also to raise the level of the individual's physical, mental, social, and vocational functioning.
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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 1699627505, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1699627505, enumerated as an "organization" on February 12, 2026.
The provider is located at 391 DURANT AVE # 1 STATEN ISLAND, NY 10308 and the phone number is (929) 327-3261.
Day Training, Developmentally Disabled Services with taxonomy code 251C00000X.
