STELLAR J ROURK
NPI 1285411744
Day Training/Habilitation Specialist in Novato, CA

NPI Status: Active since September 11, 2023

Contact Information

201 ALAMEDA DEL PRADO STE 103
NOVATO, CA
ZIP 94949
Phone: (415) 457-6964

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Day Training/Habilitation Specialist

About STELLAR ROURK

This page provides the complete NPI Profile along with additional information for Stellar Rourk, a provider established in Novato, California with a medical specialization in Day Training/habilitation Specialist. The healthcare provider is registered in the NPI registry with number 1285411744 assigned on September 2023. The practitioner's primary taxonomy code is 373H00000X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1285411744
Provider Name: STELLAR J ROURK
Other Name: JESSICA LYN RUORK DEADNAME
Other Name Type: Former Name (1)
Gender: Male
Entity Type: Individual
Location Address: 201 ALAMEDA DEL PRADO STE 103 NOVATO, CA 94949
Location Phone: (415) 457-6964
Mailing Address: 1333 7TH ST NOVATO, CA 94945
Mailing Phone: (707) 228-3002
Is Sole Proprietor?: Yes
Enumeration Date: 09-11-2023
Last Update Date: 10-10-2025
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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/Habilitation Specialist
Taxonomy Code: 373H00000X
Type: Nursing Service Related Providers
Taxonomy Description: Individuals experienced or trained in working with developmentally disabled individuals who need assistance in acquiring and maintaining life skills that enable them to cope more effectively with the demands of independent living.

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 1285411744, 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.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

Target digit

Regular digit Doubled digit Check digit

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.

1 → 2 8 → 16 → 7 4 → 8 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 6 + 5 + 8 + 1 + 2 + 7 + 8 + 24 = 66

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.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1285411744.