CORINE ULLOA
NPI 1225992852
Psychologist - Health Service in Barstow, CA
NPI Status: Active since December 09, 2025
Contact Information
34764 BIRCH RD
BARSTOW, CA
ZIP 92311
Phone: (760) 548-7649
- Individual
- Female
- Psychologist
- Health Service
About CORINE ULLOA
This page provides the complete NPI Profile along with additional information for Corine Ulloa, a provider established in Barstow, California with a medical specialization in Psychologist, focusing in health service . The healthcare provider is registered in the NPI registry with number 1225992852 assigned on December 2025. The practitioner's primary taxonomy code is 103TH0100X with license number C6556567 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1225992852
- Provider Name
- CORINE ULLOA
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 34764 BIRCH RD BARSTOW, CA 92311
- Location Phone
- (760) 548-7649
- Mailing Address
- 34756 BIRCH RD BARSTOW, CA 92311
- Mailing Phone
- (760) 548-7649
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-09-2025
- Last Update Date
- 12-09-2025
- 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
Psychologist Health Service
- Taxonomy Code
- 103TH0100X
- Type
- Behavioral Health & Social Service Providers
- License No.
- C6556567
- License State
- CA
- Taxonomy Description
- A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).
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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 1225992852, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1225992852, enumerated as an "individual" on December 09, 2025.
The provider is located at 34764 BIRCH RD BARSTOW, CA 92311 and the phone number is (760) 548-7649.
Psychologist with taxonomy code 103TH0100X and a focus in Health Service.
