THERESA CARLSON RUDDOCK (COX)
NPI 1821955436
Day Training/Habilitation Specialist in Ukiah, CA
NPI Status: Active since January 06, 2026
Contact Information
140 GIBSON ST
UKIAH, CA
ZIP 95482
Phone: (707) 467-9065
- Individual
- Female
- Day Training/Habilitation Specialist
About THERESA CARLSON RUDDOCK (COX)
This page provides the complete NPI Profile along with additional information for Theresa Carlson Ruddock (cox), a provider established in Ukiah, California with a medical specialization in Day Training/habilitation Specialist. The healthcare provider is registered in the NPI registry with number 1821955436 assigned on January 2026. The practitioner's primary taxonomy code is 373H00000X. The provider is registered as an individual and her NPI record was last updated January 2026.
- NPI
- 1821955436
- Provider Name
- THERESA CARLSON RUDDOCK (COX)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 140 GIBSON ST UKIAH, CA 95482
- Location Phone
- (707) 467-9065
- Mailing Address
- PO BOX 2077 UKIAH, CA 95482
- Is Sole Proprietor?
- No
- Enumeration Date
- 01-06-2026
- Last Update Date
- 01-06-2026
- 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/Habilitation Specialist
- Taxonomy Code
- 373H00000X
- Type
- Nursing Service Related Providers
- License State
- CA
- 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.
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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 1821955436, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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 64 is 70. The difference is the calculated check digit.
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821955436, enumerated as an "individual" on January 06, 2026.
The provider is located at 140 GIBSON ST UKIAH, CA 95482 and the phone number is (707) 467-9065.
Day Training/Habilitation Specialist with taxonomy code 373H00000X.
