JESSICA A. ARIZAGA
NPI 1720547078
Psychologist in Oakland, CA
NPI Status: Active since March 17, 2019
Contact Information
3124 INTERNATIONAL BLVD
OAKLAND, CA
ZIP 94601
Phone: (562) 704-9036
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Psychologist
About JESSICA ARIZAGA
This page provides the complete NPI Profile along with additional information for Jessica Arizaga, a provider established in Oakland, California with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1720547078 assigned on March 2019. The practitioner's primary taxonomy code is 103T00000X. The provider is registered as an individual and her NPI record was last updated July 2026.
- NPI
- 1720547078
- Provider Name
- JESSICA A. ARIZAGA
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 3124 INTERNATIONAL BLVD OAKLAND, CA 94601
- Location Phone
- (562) 704-9036
- Mailing Address
- 2538 N KIMBALL AVE FL 1 CHICAGO, IL 60647
- Mailing Phone
- (562) 704-9036
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-17-2019
- Last Update Date
- 07-01-2026
- Code Navigator
A psychologist like Jessica Arizaga studies cognitive, emotional, social processes and behavior by observing, interpreting, and recording how people relate to one another and to their environments. Psychologists gather information and evaluate behavior through controlled laboratory experiments, psychoanalysis, psychotherapy or through personality, performance, aptitude, or intelligence tests, and use this information when testing theories in their research or when treating patients.
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
- Taxonomy Code
- 103T00000X
- Type
- Behavioral Health & Social Service Providers
- License State
- CA
- Taxonomy Description
- A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
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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 1720547078, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).
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 52 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
OAKLAND, CA 94601
OAKLAND, CA 94601
OAKLAND, CA 94601
OAKLAND, CA 94601
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720547078, enumerated as an "individual" on March 17, 2019.
The provider is located at 3124 INTERNATIONAL BLVD OAKLAND, CA 94601 and the phone number is (562) 704-9036.
Psychologist with taxonomy code 103T00000X.
